What follows is part of the Index to the US Manual of Classifications for patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retreive patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
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363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
HAT ................................. 2/175.1+ ATTACHED FASTENERS ................132/57.1+ BAND ..............................2/175.3+ BOX ...............................206/8+ BRUSH .............................D04 CHEF'S ............................D02/885 DESIGN ............................D02/865+ EYE SHIELDS ATTACHED TO ...........2/10 FORMS .............................223/24+ LABELS AND TAGS ...................40/329 MAKING APPARATUS ..................223/7+ MAKING APPARATUS ..................D15/122+ ORNAMENTS DESIGN .........................D02/895 PINS ..............................132/57.1+ DESIGN .........................D11/209 STICKPIN .......................D11/47 PROTECTIVE PACKING ................206/9+ RACKS .............................211/30+ DESIGN .........................D06/315+ RECEPTACLES .......................206/8+ SAFETY HELMET .....................D29/12+ SEWING ............................112/12+ METHODS AND SEAMS ..............112/263.1 SHOWER CAP ........................D02/867+ TRY ON LININGS ....................2/63 WIRES MAKING ......................140/77 HATCH BUILDING ..........................52/20 CLOSURE OPERATORS FOR .............49/324+ ELEVATOR ..........................187/62+ FASTENERS .........................292/256.5 FREIGHT CAR .......................105/377 SHIP ..............................114/201.R+ HATCHETS ............................ 30/308.1+ CARRIER ...........................224/234 DESIGN ............................D08/76 MAKING DIES ...........................72/470+ PROCESSES AND BLANKS ...........76/103 HATPIN .............................. 132/57.1+ NON ORNAMENTAL ....................D11/207 PROTECTIVE PACKING ................206/9+ STICKPIN ..........................D11/47 HAULING SEE PULL CABLES DRUM TYPE ..................254/266+ HAWKS, MASONRY AND CONCRETE ......... 294/3.5 HAWSE PIPES ......................... 114/179+ HAWSERS SEE ROPE HAY HANDLING BALE ACCUMULATOR,VEHICLE 414/111 CARRIED ......................414/111 CURING AND PRESERVING ..........426/321+ DISTRIBUTORS ...................414/25 FORKS ..........................294/107+ GRAPPLES EXPANDING PIVOTED .....294/98 GRAPPLES FIXED AND MOVABLE JAW .294/105 GRAPPLES PIVOTED JAWS ..........294/107+ HARPOON ........................294/126+ HAY RETAINER FOR VERTICALLY 414/721 SWINGING FORK ................414/721 HOIST LINE FORK ................294/120+ LOAD BINDERS ...................280/180 PITCH FORKS ....................294/55.5+ ROUND BALE .....................414/24.5 STACK SHAPERS ..................414/132 HAYRACKS BRAKES FOR .....................188/14 SELF-LOADING MOVABLE CAR .......414/522 VEHICLE BODY ...................296/6+ CONVERTIBLE BOX AND ..........296/11+ PELLETERS .........................10 HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT .....................588 HAZARDOUS WASTE DESTRUCTION OR CONTAINMENT ........................588 HCG ................................. 436/818* HEAD BRAKE BEAM ADJUSTABLE HEAD ...........188/219.6+ BEAM COMBINED ..................188/219.1+ BEAM FIXED HEAD ................188/222.1+ SHOE FASTENER ..................188/236 SHOE FASTENER INTERLOCKING .....188/242+ COUPLING ANIMAL DRAFT D TYPE ............278/72+ ANIMAL DRAFT L TYPE ............278/67 ANIMAL DRAFT T TYPE ............278/68+ ANIMAL DRAFT WHIFFLE TREE ......278/105+ RAILWAY DRAFT CUSHIONED ........213/18+ RAILWAY DRAFT LINK OR BAR ......213/182+ ROD TO BASE PLATE OR HEAD ......403/187+ THROUGH INTERMEDIATE MEMBER ..403/187+ TOOL HANDLE FASTENING PLATE ....403 TOOL HANDLE FASTENING SPLIT ....403/302 COVERING WITH LIGHT ...............362/105+ DRUM MUSICAL ......................84/414 GEAR TELEPHONE ....................379/430 IMPLEMENT AND TOOL BRUSH ..........................15/171+ HAND FORK AND SHOVEL PIVOTED AND ADJUSTABLE .......294/53.5 MOP ............................15/228+ PLOW ROTARY CHOPPER ............172/518+ RAZOR HANDLE ...................30/89 INTERNAL COMBUSTION ENGINE COOLING ........................123/41.72+ MULTIPLE FOR BOLT HOOKED END .....................292/116+ SLIDING ........................292/156+ SLIDING AND ROTARY .............292/59 SLIDING AND SWINGING ...........292/68 SPRING ARM .....................292/91 SWINGING .......................292/213+ SWINGING AND HOOKED END ........292/56 NAIL, SPIKE OR TACK ...............411/439+ DESIGN .........................D08/388+ NOZZLE SPRINKLER, FIRE ................169/37+ PROP ..............................248/357 PULLER CARCASS ....................452/168 RAIL DETACHABLE .....................238/143+ JOINT ..........................238/221+ REVERSIBLE .....................238/133 RUDDER ............................114/169 SCREW MACHINES FOR WORKING ON .....470/60+ SEWING MACHINE ....................112/259 SHAMPOOING APPARATUS ..............4/515+ SPAR SHIP .........................114/94 STOCK LATHE .......................82/142+ TOY ...............................446/397+ TRIPOD ............................248/177+ TROLLEY ELECTRIC ..................191/59+ VALVE COOPERATING SEAT ...............251/333+ COOPERATING STEM ...............251/84+ ROTARY PLUG ....................251/309+ STRUCTURE ......................251/356+ SWIVELED .......................251/88 WELL CASING .......................166/75.1+ HEADBOARDS AND SECTIONS BEDSTEAD EXTENSION ................5/183 BEDSTEAD FOLDING ..................5/178+ BEDSTEAD UPENDING .................5/148 INVALID BED .......................5/600+ SOFA ..............................5/53.1+ HEADED FASTENINGS ................... 411/500+ MAKING ............................470/57+ HEADER BOILER ............................122 HARVESTER .........................56 MANUFACTURE .......................29/890.52 RADIATOR ..........................165/153 HEADING (SEE FORGING) BARREL ............................147/6 BARS BY UPSETTING .................72/470+ BOLTS .............................470/11+ CARTRIDGE CASES ...................29/1.31 FILLING COMBINED ..................141/73+ FILLING COMBINED ..................141/115+ NAILS .............................470/34+ CUT ............................470/37+ WIRE ...........................470/40 PINS ..............................163/6 GLASS HEADED ...................65/142+ RIVETS ............................470/27+ SCREWS MAKING .....................470/9+ SHEET METAL CANS ..................413/26+ APPARATUS FOR MAKING ...........413/69+ SOLDERING APPARATUS ............228 HEADLIGHT DIRIGIBLE .........................362/62+ SEALED BEAM .......................313/113+ SYSTEM ELECTRIC ...................315/82+ TESTING ...........................356/121+ VEHICLE ...........................362/61+ HEADPHONES EARPIECES .........................381/187 ELECTRICAL ........................381/183+ SUPPORTS .......................381/188+ IN OR UNDER PILLOW ................381/158 MECHANICAL ........................181 PILLOW TYPE .......................381/158+ RADIO ..........................455/344 SUPPORT FOR PHONE .................381/205+ WITH RADIO ........................455/149 HEADREST BATH TUBS .........................4/578.1 CHAIR .............................297/391+ CHAIR RECLINING ...................297/61 COFFIN ............................27/13 DESIGN ............................D06/501 (SEE ALSO)) ....................D06/601 SHAMPOOING APPARATUS ..............4/523+ SOFA ..............................5/52 WATER CLOSET ......................4/254 HEADSET ............................. D14/205+ HEADWEAR ATTACHED HAT FASTENER .............132/57.1+ DECORATIVE ........................2/171+ DESIGN ............................D02/865+ GUARD AND PROTECTOR ...............2/410+ HELMET ............................2/410+ PROTECTIVE ........................2/410+ RECEPTACLE ........................206/8+ SPORTS ............................2/425+ STRUCTURE .........................2/171+ SURGICAL ..........................607/139+ HEALTH COMPUTER CONTROLLED, MONITORED ....364/413.1+ LAMPS .............................607/88+ HEAP STILL .......................... 202/210 HEARING AID ......................... D24/174 DESIGN ............................D24/174 EAR TRUMPETS ......................181/129+ ELECTRICAL ........................381/68 NON ELECTRICAL ....................181/129+ DENTIPHONE .....................181/127 EAR TRUMPET ....................181/129+ STETHOSCOPE ....................181/126+ STETHOSCOPES ......................181/126+ HEARING THERAPY VOICE REFLECTOR ...................D24/175 HEARSES ............................. 296/16+ DESIGN ............................D12/82+ HEART ARTIFICAL .........................623/3 ARTERY .........................623/1 VALVE ..........................623/2 ENERGIZED MAGNET ACTUATOR ....251/65 MOTOR OPERATED BY MOTIVATING MASS ........................60/516 PIVOTED, LINE CONDITION CHANGE RESPONSIVE ...........137/527 CARDIAC ASSIST DEVICE .............60/16+ EXPANSIBLE CHAMBER PUMP ...........417/472 HEART CAM, REGISTER ...............235/144.HC HEART-LUNG DIGEST .................128/DIG.3 PACEMAKER .........................607/9+ SHAPED PACKAGING ..................D09/315 HEARTH COOKING ...........................126/12+ ELECTRIC FURNACE ARC ............................373/60 ELECTROSLAG ....................373/42 GLASS ..........................373/27 INDUCTION ......................373/138 RESISTANCE .....................373/109 FIREPLACE .........................126/500 FENDERS ........................126/544 MATERIAL HEATING ..................432 THERMOLYTIC STILL .................202/102+ HEAT PRODUCER FLAMELESS COMPOSITION .............44/250+ HEAT, HEATER & HEATING (SEE FURNACE; 432 RADIATOR) ..........................432 ABSORPTION METERS .................374/39 ACCUMULATORS ......................165 BY CHANGE OF STATE .............165/104.15 OVENS HAVING ...................126/273.5 REGENERATORS ...................165/4 VESSELS HAVING .................126/375 AIR AUTOMATIC TEMPERATURE REGULATION ...................236/10+ COOKSTOVE COMBINED .............126/6 DISTRIBUTING SYSTEM COMBINED ...237 FIREPLACE ......................126/500+ FURNACES .......................126/99.R+ GAS SEPARATION COMBINED ........55 HEAT EXCHANGE ..................165 HEATED VENTILATING FLUE ........454/43+ ILLUMINATING BURNER ATTACHMENTS 126/248+ NUCLEAR REACTORS ...............376/383 REGENERATIVE ...................432/214+ STOVES .........................126/58+ ANIMAL OR PLANT HUSBANDRY BROODERS AND INCUBATORS ........119/30+ ELECTRICALLY HEATED BRANDING IRONS ........................219/245+ FUEL HEATED BRANDING IRONS .....126/402+ GREENHOUSES ....................47/17+ HOT BEDS .......................47/19 ORCHARD HEATERS ................126/59.5 PREVENTING PLANT FROSTING ......47/2 SEED TESTERS ...................47/16 STERILIZING GATHERED SOIL ......47/1.44 TREE COVERS ....................47/22 WATERERS .......................119/73 APPAREL FORMS .....................223 AUTOMATIC TEMPERATURE REGULATION ..236 HEATING AND COOLING COMBINED ...165/14+ HEATING SYSTEMS ................237/2.A+ AUTOMOBILE ........................237/28+ DESIGN .........................D23/324+ BATHTUB ...........................4/545 BEDSTEADS .........................5/284 BENDING METAL BY HEATING ..........72/54 BODY ..............................604/113+ TREATING MATERIAL ..............604/291+ BROODER AND INCUBATOR AUTOMATIC TEMPERATURE CONTROL ..236/2+ AUTOMATICALLY CONTROLLED HEATING SYSTEMS ..............237/3+ BROODER ........................119/31+ COMBINED .......................119/30 HEATING SYSTEMS ................237/14+ INCUBATOR ......................119/35+ BUILDINGS .........................237 BY NUCLEAR ENERGY ..............976/DIG.318 BURNER FEED .......................431 CABINET COMBINED ..................312/236 CARBURETORS .......................261/127+ INTERNAL COMBUSTION ENGINE .....123/543 CHEMICAL ..........................126/263.R CLOSETS DRY CLOSETS ....................4/111.1+ COLLECTORS, SOLAR .................4/461+ COMBUSTION ........................431 COMPUTERIZED OR MONITORED IN 364/477 PRODUCT MANUFACTURING ..........364/477 CUTTING SEE 4 NOTE TO CLASS 30 ....30 DISTILLATION AND CRACKING .........201 APPARATUS ......................202 MINERAL OILS ...................208/46+ SOLID CARBONACEOUS MATERIAL ....201 DRIER .............................34 TEXTILE WEB SPREADER COMBINED .26/92 TEXTILE WEB STRETCHER COMBINED .26/106 EARTH .............................405/131 EARTH BORING BY ...................175/11+ EARTH BORING COMBINED .............175/17 ELECTRIC FUSES HAVING .............337/182+ ELECTRIC RAILWAY CONDUIT HAVING ...191/27 ELECTRICAL ........................219 EARTH BORING BY ................175/16 ELEMENT ........................338 FURNACES .......................373 HEATING GAS GENERATOR ..........48/103 RIVET HEATERS ..................219/157 EMBOSSING HOT DIE .................101/27 EXCHANGE SEE RADIATOR .............165 AGITATING WITH .................366/144+ MORTAR MIXER .................366/22+ CABINET COMBINED ...............312/236 COMBUSTION PRODUCTS GENERATOR ..60/730 DISTILLATION APPARATUS .........202 DISTILLATION PROCESSES .........201 DISTILLATION PROCESSES .........203 GAS SEPARATORS HAVING ..........55 GAS WASHERS HAVING .............261/127+ GUN BARREL COOLING .............89/14.1 INDUCTION HEATING ..............219/10.491+ INTERNAL COMBUSTION ENGINE .....123/41.1+ MINERAL OIL PROCESS ............208/347+ MINERAL OIL STILLS HAVING ......196/134 NUCLEAR REACTOR WITH ...........376/369 NUCLEAR REACTOR WITH ...........376/378 NUCLEAR REACTOR WITH ...........376/391 NUCLEAR REACTOR WITH ...........376/404 NUCLEAR REACTOR WITH ...........376/405 PARTICULATE ....................165/920* STATIC MOLD HAVING .............249/79+ TEMPERATURE CONTROL OF .........236/17+ TOBACCO SMOKING DEVICE .........131/194+ FANS ELECTRIC .......................392/360+ FIRE SCREEN OR GUARD FLUID SCREEN ...................110/179 STOVE AND FIREPLACE ............126/544 FLUID FUEL BURNER .................431 NOZZLE PER SE ..................239 FLUID HANDLING SYSTEMS OR DEVICES WITH ...........................137/334+ FOR GLASS MANUFACTURING APPARATUS ......................65/355 DISCHARGE NOZZLE ...............239/128+ FREIGHT CAR HEATERS ...............105/451 FUME GENERATORS .....................422/305+ FURNACE, SOLID OR COMBINED FUELS ..110 GARMENTS & BODYWEAR (SEE BODY, HEATERS AND WARMERS) BOOT OR SHOE ...................36/2.6 ELECTRICALLY HEATED ............219/211 HEAT EXCHANGER .................165/46 THERAPEUTIC BODY MEMBER INCLOSING .............607/108+ THERAPEUTIC BODY WEAR ..........607/115+ GAS & LIQUID CONTACT APPARATUS ....261/DIG.31 HEATERS AND CONDENSERS .........261/DIG.32 HEATERS, SPRAY .................261/DIG.33 GAS MANUFACTURE CHEMICAL PURIFICATION ..........423/210+ HEATING AND ILLUMINATING .......48 GUN ...............................89/1.12 HAIR CURLING STRAIGHTENING OR TREATING DRYING APPARATUS ...............34/96+ DRYING PROCESSES ...............34/3 HEATED BRUSHES .................15/160 HEATED COMBS ...................132/118 PROCESS ........................132/211 HAZARDOUS WASTE DESTRUCTION .......588 HEAT OR COOLING, CONVEYER ACT .....198/952* HEAT PUMP, REVERSIBLE .............62/324.1+ AUTOMATIC ......................62/160 WITH SUPPLEMENTAL HEAT SOURCE ..165/29 HEAT STORAGE CONTROL ..............165/18 HEATER SUBMERGED IN LIQUID ........261/DIG.29 HEATING EQUIPMENT .................D23/330+ HEATING SYSTEMS ...................237 HUMIDITY REGULATION ...............236 IMMERSION TYPE ....................126/367+ FLUID FUEL .....................126/360.R INSULATING AND SCREENING ..........52 ALKALI METAL SILICATE COMPOSITIONS .................106/600+ BIFURCATED GARMENTS ............2/81 BOTTLES ........................215/12.1+ CEMENT COMPOSITIONS ............106/672+ CERAMIC COMPOSITIONS ...........501/94+ COMPOSITIONS MISCELLANEOUS .....252/62 FLATIRON .......................38/89 HEAD PROTECTORS ................2/7+ LAMINATED FABRIC MAKING ........156 MISCELLANEOUS PLASTIC OR COATING COMPOSITIONS .........106/122 SAFE DOORS .....................109/65 SAFE WALLS .....................109/78+ STOCK MATERIAL .................428/920* TOASTER OR BROILER .............99/401 INTERNAL COMBUSTION ENGINE CHARGE .123/543 LEATHER SEWING MACHINE ............112/41 LIQUID ............................122 AUTOMATIC TEMPERATURE CONTROL ..236/20.R+ AUTOMATICALLY CONTROLLED HEATING SYSTEMS ..............237/2.R+ CONCENTRATORS ..................159 COOKSTOVE COMBINED .............126/38+ DISCHARGE NOZZLE ...............239/128+ DISTILLATION ...................203 DISTRIBUTING SYSTEM COMBINED ...237 ELECTRIC .......................392/441+ FIREPLACE ......................126/513+ HEAT EXCHANGE ..................165 HEATED STREET OILERS ...........239/128+ HEATING SYSTEM COMBINED ........237 HOT AIR FURNACE COMBINED .......126/101 LIQUID SEPARATOR HEATED ........210/175+ OPEN TYPE ......................126/344+ PRESSURE GENERATORS ............122 RADIATOR AND BOILER COMBINED ...237/16+ RANGE FLUID FUEL WATER BACK ....126/53+ RANGE WATER BACK ...............126/34+ SOLAR ..........................126/569+ TEXTILE WASHING APPARATUS COMBINED .....................68/15+ LIQUID SEPARATORS OR PURIFIERS ....210/175+ DISPENSERS WITH HEATER .........222/146.2+ DISPENSERS WITH HEATING JACKET .222/131 DISPENSERS WITH ILLUMINATOR OR BURNER .......................222/113 DISTILLATION APPARATUS CONTAINING ...................202 MORTAR MIXERS ..................562/625+ PORTABLE RECEPTACLE FILLERS ....53/127 SOLID MATERIAL COMMINUTION COMBINED .....................241 LUBRICATORS HAVING ................184/104.1 MATERIAL HEATING ..................432 MATERIAL TREATING (SEE MATERIAL TREATED) COATING, BAKING OR DRYING ......427/372.2+ DRIERS .........................34 ELECTROLYTE ....................205 ELECTROLYTIC COATING ...........205/220+ FERTILIZER .....................71/44+ FOODS ..........................99 OZONIZERS ......................422/186.8+ PEAT FUEL ......................44/492 ROAD OR PAVEMENT MATERIAL ......404/93+ SOLIDS SEPARATORS ..............209 TOBACCO ........................131/290+ WATER PURIFIERS ................210/177+ MATTRESSES ........................5/421+ MEASURING AND RESPONSIVE INSTRUMENTS CALORIMETERS ...................374/31+ ELECTROTHERMAL SWITCHES ........337/14+ HEAT RESPONSIVE METAL STOCK ....428/616 HYGROSTATS .....................73/29.2+ THERMAL BATTERIES ..............136/200+ THERMOMETERS ...................374/147 THERMOSTATIC SWITCHES ..........337/298+ METAL AGGLOMERATING PROCESSES ........75/746+ CASTING APPARATUS WITH .........164/338.1 DEFORMING WITH HEATING OR COOLING ...........72 ELECTRIC HEATING ...............219/50+ ELECTRIC HEATING WORKING AND WELDING ......................219/50+ ELECTROLYTIC COATING HEATING ...205/224+ FOUNDING .......................164 HEAT TREATMENT .................148 METALLURGICAL APPARATUS ........266 MISCELLANEOUS HEATING ..........432 PYROMETALLURGY PROCESSES .......75/414+ ROLLING AND HEATING ............72/200 ROLLING AND HEATING ............72/252 SOLDERING APPARATUS ............228 WORKING WITH ...................29/DIG.21 WORKING WITH ELECTRIC HEATING ..29/DIG.13 NOZZLE COMBINED ...................239/128+ PILE INSTALLATION COMBINED ........405/234 PIPE ..............................165/104.15 ELECTRICAL APPARATUS COMBINED ..174/15.2 PIPE JOINT ........................285/41 POWER PLANT COMBINED ..............60 ENGINE HEATED VEHICLES .........237/12.1+ PROCESSES .........................432/1+ PRODUCING COMPOSITIONS ............252/70 FUEL ...........................44 PUMP ..............................62/324.1+ REGISTER OR DIFFUSER ..............D23/308+ RESOLVING COLLOIDS BY .............252/346+ SEALING WAX APPLIER ...............401/1+ SEARING LEATHER ........................69/7.5 SEAT COMBINED .....................297/180.1+ SEPARATOR, IMPERFORATE BOWL 494/13+ CENTRIFUGAL ....................494/13+ SHIELDS FOR AIRCRAFT ..............244/117.R+ SHIELDS, GENERAL ..................244/158.R SHOES HAVING HEATER ...............36/2.6 SINGLE ROOM HEATER ................D23/330+ SINK ..............................165 DESIGN .........................D13/179 VENTILATION ....................174/16.3 SNOW EXCAVATOR AND MELTER .........37/227+ SOLID FUEL BURNERS ................110 SPECIAL RAY GENERATOR COMBINED ....250/495.1 STABILIZED (SEE SYNTHETIC RESIN OR NATURAL RUBBER, CLASS 523, 524) STERILIZING .......................422 FUME GENERATORS ................422/305+ STOVES ............................126 DESIGN .........................D23/342+ SURGICAL ..........................604/113+ SYSTEMS ...........................237 ELECTRIC .......................219/482+ TEMPERATURE & HUMIDITY REGULATION .236 TENTS HAVING ......................135/92 TEXTILES OR STRANDS HEATING OR DRYING THREADS ......28/217+ SINGEING TEXTILES ..............26/3+ WEB SPREADER COMBINED ..........26/92 WEB STRETCHING COMBINED ........26/92 TOOLS AND INSTRUMENTS APPAREL FORMS ..................223 BRANDING IRON ..................126/402+ BRUSHES ........................15/160 COATING IMPLEMENT COMBINED .....401/1+ CUTLERY ........................30/140 DRESS OR COAT FORMS ............223/70 ELECTRICALLY ...................219/221+ FLATIRONS ......................38/82+ GLOVE FORMS ....................223/79 HAIR COMBS .....................132/118 HAT FORMS ......................223/26 ICE CUTTER .....................62/320+ ROLLS ..........................126/410 SHOE FORMERS ...................12/129.4 SOLDERING IRONS ................228/51+ STERILIZER FOR .................422 STOCKING FORMS .................223/76 TOOL HEATING STOVES ............126/226+ TOOLS SELF HEATED BY FLUID FUEL 126/401 TOOLS SELF HEATED ELECTRICALLY .219/221+ TROUSER OR SLEEVE FORMS ........223/73 WINDSHIELD CLEANERS ............15/250.5 TOXIC WASTE DESTRUCTION ...........588 TRACK SANDERS HAVING ..............291/19+ TRANSFER MEDIUMS ..................252/70 EXPANDING OR VAPORIZING TYPE ...252/67+ LOW FREEZING OR HIGH BOILING POINT ........................252/71+ TRAY HEATERS ......................261/DIG.3 TREATING BY INDUCTION .............219/10.41+ APPARATUS ......................219/6.5+ TREATMENT OF METALS ...............148 VAPORIZERS ........................122 VEHICLE SYSTEMS ...................237/28+ POWER PLANT COMBINED ...........237/12.1+ VULCANIZING COMBINED ..............425/28.1+ VULCANIZING COMBINED ..............425/340+ VULCANIZING COMBINED ..............425/363 WELDING WITH HEAT .................228 WITH HEAT AND PRESSURE .........228/228 WELLS ELECTRIC HEATERS ...............392/301+ HAVING HEATERS .................166/57+ PROCESSES USING HEAT ...........166/302+ SOLID MATERIAL RECOVERING ......299 HECOGENIN ........................... 540/19 HECTOGRAPH .......................... 101/131+ COMPOSITIONS ......................106/14.5 FLIES,WORK HOLDER FOR .............101/463.1 COATING PROCESSES ..............427/144 TRANSFER SHEET .................428/914* PAPER .............................428/488.1 PROCESSES .........................101/463.1 HEDDLE MAKING CORD ...........................29/4.6 WIRE ...........................140/72 NEEDLE WINDING ....................242/51 STRUCTURE .........................139/93+ DOUP ...........................139/52 HEDGE FENCE .............................256/20 TRAINING ..........................47/4 TRIMMER ...........................56/233+ HEEL CLAMPING WORK SUPPORTS ............12/125 CUSHIONED HORSESHOES ..............168/15 CUTTING MACHINES DIE CUTTING ....................83 HEEL LIFTS FOR SHOES ..............D02/961 INTERFITTED SOLE AND ..............36/24.5 LASTS PLATES AND SOCKETS .............12/139 SEPARATE HEEL BLOCK ............12/135.R+ PUNCHING MACHINES .................83 SHOE ..............................36/34.R+ DESIGN .........................D02/964+ HEEL ENGAGING SHOE RETAINERS ...36/58.6 PROTECTORS .....................36/73+ SUPPORTERS .....................36/69 SHOEMAKING MACHINES ...............12/42.R+ BURNISHING .....................12/70+ EDGE TRIMMERS ..................12/85+ HEEL SEAT FORMING ..............12/31.5 LOADING ........................227/125 NAILING ........................227/140+ PLATE ATTACHING ................227 STIFFENER ......................12/61.R+ SHOEMAKING PROCESSES ..............12/147.R SKATE ATTACHING CLAMPS ............280/11.31+ SPRING WITH SOLES .................36/27 STRAPS FOR HORSESHOES .............168/22 HEELLESS OVERSHOES .........................36/7.2 RUBBER OVERSHOES ..................36/7.4 SANDALS ...........................36/7.7 HELICAL (SEE GEARING) BED SPRING CONNECTORS .............5/269 BRASS MUSIC INSTRUMENT VALVE MOVEMENT .......................84/391 COURSE AMUSEMENT RIDE .................104/56+ FILLED RECEPTACLE COOKER .......99/365 TEXTILE LIQUID TREATMENT .......68/176 NUCLEAR FUEL STRUCTURES ...........376/362 PUMP INTERENGAGING ROTARY IMPELLERS ......................418/201.1+ ROTARY PUMP DIPPING CHANNEL .......415/88 SPRINGS ...........................267/166+ TORSION ........................267/155+ SWITCH ............................20/500 TRACK SANDER FEEDER VERTICAL PLUNGER GUIDE ..................291/37 TRACTION RAILWAY ..................104/167 HELICOPTER .......................... 244/17.11+ AIRPLANE COMBINED OR CONVERTIBLE ..244/6+ AIRSHIP COMBINED ..................244/26 ROTOR .............................416 BLADE POSITIONING MEANS ........416/147+ BLADE STRUCTURE ................416/223.R+ MOTOR COMBINED .................416/20.R+ TOY ...............................446/230+ FLYING .........................446/37+ HELIOGRAPHIC CODE SIGNALING ......... 116/20 HELIOSTATS .......................... 353/3 HELIOTROPINE ........................ 549/436 HELIUM (SEE GAS, RARE) ISOLATION BY PHYSICAL PROCESSES ...95 APPARATUS FOR ..................96 LIQUEFACTION ...................62/11+ REFRIGERATION APPARATUS FOR ....62/36+ SPEECH ............................381/54 HELIX (SEE SCREW; THREAD) ELECTRICAL RESISTANCE .............338/296+ RHEOSTAT ..........................338/143+ TYPE PRODUCT STATIC MOLD ....................249/59 HELMETS ............................. 2/410+ AVIATORS ..........................2/6.1+ DESIGN ............................D29/12+ DIVING WITH AIR OR OXYGEN .........128/201.27+ FIREMANS ..........................2/5 HOOD TYPE .........................2/205 ILLUMINATION COMBINED .............362/105 MINERS HAT .....................362/164 MILITARY ..........................2/6.6+ SPACE SUIT ........................2/2.11+ SPORTS HEADGEAR ...................2/425+ HELMITOL ............................ 544/185 HEMACYTOMETERS COLORIMETER TYPE ..................356/39 MICROSCOPE TYPE ...................356/39+ HEMATIN ............................. 540/145 HEMMERS SEWING MACHINE .............. 112/141+ HEMOCYTOMETER SEE HAEMOCYTOMETER HEMOGLOBIN .......................... 540/145 TESTS FOR .........................436/66 HEMOGLOBINOMETER .................... 356/40+ HEMOSTATIC DEVICES .................. 606 ARTERY OR VEIN ....................606/157 UMBILICAL ......................606/120 HEMSTITCH MACHINE ...........................112/81+ FALSE ..........................112/179 HEPARIN ............................. 536/21 MEDICINES CONTAINING ..............514/56 HEPTODE MIXER .............................313/300 PENTAGRID CONVERTER ...............313/300 TRIODE ............................313/298 WITH TWO CATHODES ..............313/6 HERBICIDES .......................... 504/116+ PLURAL ACTIVE .....................504/118+ FROM MICROORGANISMS ...............504/117 HERMETIC SEALING CLOSING PORTABLE RECEPTACLES ......53/285+ GAS FILLING OF PORTABLE RECEPTACLE,53/403 METHOD .........................53/403+ GLASS UNITING PROCESSES ...........65/36+ METALLIC RECEPTACLE CLOSURES ......220/200+ SOLDERING APPARATUS ...............228 HERNIA PADS ......................... 128/112.1 HEROIN .............................. 546/44 HERTZIAN WAVE (SEE RADIO) RAILWAY SIGNAL SYSTEMS ............246/30 TRANSMISSION LINE SYSTEMS .........333 HETAAMOXICILLIN ..................... 540/325 HETACILLIN .......................... 540/325 HETEROCYCLIC COMPOUNDS .............. 540/1+ AZO COMPOUNDS .....................534/751+ HEAVY METAL CTG ................534/701+ SILVER SENSITIZED FORMATION IN 430/376+ COLOR PHOTOGRAPHY DEVELOPMENT 430/376+ BIO-AFFECTING & BODY TREATING 424 COMPOSITION ....................424 WAVE ENERGY PREPARATION ...........204/157.69+ HETERODYNE FREQUENCY MEASUREMENT .... 324/76.41+ HETERODYNE RECEIVER ................. 455/130+ HEVEA (SEE SYNTHETIC RESIN OR NATURAL RUBBER) HEXACHLOROCYCLOHEXANE ............... 570/212 HEXACHLOROPHENE, IN DRUG ............ 514/735 HEXAMETHYLENE TETRAMINES ............ 544/185+ HEXESTROL ........................... 568/729 HEXODE TRIODE ....................... 313/298 HEXYLRESORCINOL ..................... 568/766 HIDES SKINS AND LEATHER BIOCIDAL SATURANT FOR .............424 CHEMICAL OR FLUID TREATMENT .......8/94.1R+ MANIPULATIVE ...................8/150.5 COATING ...........................427 COMPOSITIONS FOR TREATING .........252/8.57 DELIMING ..........................8/94.17 DYEING ............................8/436+ ELECTROLYTIC TREATMENT ............204/135 MANUFACTURE .......................69 REMOVING FAT ......................8/139+ TANNING ...........................8/94.19R+ TREATMENT OF ......................8/94.1R+ HIGH ALTITUDE COMPARTMENTS AIRCRAFT CABIN ....................454/71+ AIRCRAFT POWER PLANT ..............244/59 HIGH ENERGY METAL FORMING ........... 72/56 HIGH FREQUENCY COAXIAL CABLE .....................333/239+ TRIODE ............................313/293+ HIGH FREQUENCY HEATER (SEE INDUCTION, HEATING) HIGH MU TRIODE ...................... 313/293+ HIGHCHAIR CHILDS FURNITURE ..................D06/329+ TRAY ..............................D06/396+ HIGHWAY SEE ROADS ................... 404 CROSSING RAILWAY SIGNAL AUTOMATIC .246/293+ ELECTRIC .......................246/125+ GUARD FENCE ..........................256/13.1 PIPE OR CABLE BRACKET ..........248/66 GUIDE OR BARRIER ..................404/6+ TRACK COMBINED ....................238/8 TRACK FOR NONFLANGED WHEEL ........238/3+ TRAFFIC DIRECTOR ..................404/9+