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Class Information
Number: 236/38
Name: Automatic temperature and humidity regulation > Heating radiator > Air control
Description: Means regulating the flow of air over the radiator according to temperature changes in the radiator, the air heated, or the apartment to be heated.

Patents under this class:

Patent Number Title Of Patent Date Issued
7861707 Gravity feed natural draft pellet stove Jan. 4, 2011
7575178 Heat recovery apparatus Aug. 18, 2009
7428565 Logical operation circuit and logical operation device Sep. 23, 2008
7131490 Fan coil controller Nov. 7, 2006
6755138 Ventilation system and method Jun. 29, 2004
6690560 Electrical load controller and vehicle air conditioner using the same Feb. 10, 2004
6134134 Thermostat voltage adapter Oct. 17, 2000
5847671 Arrangement of a vehicle auxiliary heater with a regulating device and control unit inside a vehicle Dec. 8, 1998
5769316 Air conditioner for vehicles Jun. 23, 1998
5743103 Air conditioner Apr. 28, 1998
5592989 Electronic thermostat having high and low voltage control capability Jan. 14, 1997
5467606 Air conditioning apparatus capable of operating in cooling mode and heating mode Nov. 21, 1995
5460221 Fan coil thermostat with circuitry to assure minimum power for relay pull-in Oct. 24, 1995
5323961 Apparatus for controlling unit ventilators Jun. 28, 1994
5284204 Hydronic thermal distribution system for space heating and cooling Feb. 8, 1994
5207379 Cascaded control apparatus for controlling unit ventilators May. 4, 1993
5086626 Air conditioner with function for temperature control of radiant heat exchanger Feb. 11, 1992
5072878 Air conditioning apparatus Dec. 17, 1991
5046549 Separate air-conditioner Sep. 10, 1991
4909310 Air flow control device for an air conditioner Mar. 20, 1990
4852637 Thermostatic controlled system Aug. 1, 1989
4777929 Mounting for duty cycle control switch for ceiling mounted ductless heater Oct. 18, 1988
4750546 Automatic baseboard damper system Jun. 14, 1988
4664311 Mounting for duty cycle control switch for ceiling mounted ductless heater May. 12, 1987
4615481 Air conditioner Oct. 7, 1986
4611756 Controller for fan motor of air conditioner Sep. 16, 1986
4518032 Temperature control apparatus for automobile air-conditioning systems May. 21, 1985
4478365 Water valve with heat transfer socket Oct. 23, 1984
4378087 Apparatus for and a method of air conditioning vehicles by controlling circulation of inside air and introduction of outside air Mar. 29, 1983
4319713 Stove blower control accessory Mar. 16, 1982
4308990 Flue gas heat recovery system Jan. 5, 1982
4240499 Balanced waste heat recovery and dissipation system Dec. 23, 1980
4213444 Fireplace heater unit Jul. 22, 1980
4132354 Auxiliary air displacement method and unit for furnaces Jan. 2, 1979
4126268 Portable room-temperature controller Nov. 21, 1978
3985295 Heat collector and diffuser Oct. 12, 1976
3937398 Conditioned air distribution system Feb. 10, 1976

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