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Saunders Patents
Issued patents of Norman Saunders (copies of which are available for $3 each
>from The Commissioner of Patents and Trademarks/Washington, DC 20231,
or $2 each from Norman Saunders, P.E./15 Ellis Road/Weston MA 02193.
3,952,947 4/27/76 Solar heating system employing controlled
introduction of outdoor air via a special window
(window, triple glazed, with air flow in or out.)
4,018,214 ? Water store behind double glass.
4,018,947 4/19/77 Heating and ventilation system (a division of
3,952,947 above.)
4,078,603 3/14/78 Skylight-type collector with storage and
distribution systems (transparent ceiling
collector/radiator.)
4,123,002 10/31/78 System for controlling air temperature, humidity
and ventilation with use of ground coupling (earth-
tempered air in and heat recovery on exhaust.)
4,129,120 12/12/78 Heating and ventilation system (a CIP of 3,952,947,
more fully describing a solar steam generator with
very low thermal loss.)
4,157,639 6/12/79 Seals for vertical and sloping windows or glazing
(very inexpensive permanent glazing system.)
4,201,189 5/6/80 South window solar-radiation absorbing element (selective
absorber, window, thermosyphon collector, as in Shrewsbury
House and All-Solar-Too House.)
4,296,733 10/27/81 Transparent roof employing reflective louvers that
admit much solar radiation in winter and admit little
solar radiation in summer (Solar Staircase (TM) and
all its variants.)
4,305,379 12/15/81 Solar energy fluid heating system (simple pressurized
drain-back solar DHW system.)
4,398,530 8/16/83 Solar collector and heating and cooling system (cont. of
4,078,603, describing monitor lighting and heating for
shops and markets.)
4,452,205 11/12/85 Dual storage heating and cooling system (one way to build
a house with a warm store in the attic and a cool store
in the basement. My copy has this note at the bottom,
"License fee is ten cents per square foot of floor area
of building. Payment permits use of this and all other
Suanders solar patents. Subject to change without notice.")
Note: US patents are normally valid for 17 years from date of issue.
Nick