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Class Information
Number: 236/68R
Name: Automatic temperature and humidity regulation > Motors > Relay > Auxiliary heater
Description:










Sub-classes under this class:

Class Number Class Name Patents
236/68C Auxiliary heater applied to control device away from main temperature sensor 9
236/68B Auxiliary heater applied to main temperature sensing means 68
236/68A Heated expansible chamber vaporizer liquid injected by thermostat 4
236/68D Thermo-controlled pilot burner operates a heat motor to actuate main fuel valve 11


Patents under this class:
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Patent Number Title Of Patent Date Issued
8385066 Flow control device and cooled electronic system employing the same Feb. 26, 2013
6764020 Thermostat apparatus for use with temperature control system Jul. 20, 2004
6761321 Thermostat device Jul. 13, 2004
6592046 Thermostat device Jul. 15, 2003
6471134 Thermostatic device having two regulating conditions and two thermostatic elements Oct. 29, 2002
6446876 Apparatus with integrated shape memory actuator for regulating the flow of air in a conduit, particularly for air-conditioning systems in motor vehicles Sep. 10, 2002
6439467 Thermostatic device with two levels of regulation operated selectively Aug. 27, 2002
6152376 Valve modulation method and system utilizing same Nov. 28, 2000
6109588 Two-way variable-section control valve for a refrigeration circuit Aug. 29, 2000
6047895 Multiple-way valve Apr. 11, 2000
6012299 Process for the control of a refrigeration system, as well as a refrigeration system and expansion valve Jan. 11, 2000
6000415 Method and apparatus for positioning a restrictor shield of a pump in response to an electric signal Dec. 14, 1999
5971288 Expansion composition Oct. 26, 1999
5941086 Expansion valve unit Aug. 24, 1999
5775270 Thermostatic valve for the coolant circulation system of an internal-combustion engine Jul. 7, 1998
5676308 Thermostatic valve Oct. 14, 1997
5385296 Electrically heatable thermostatic valve for a coolant circulating system of an internal-combustion engine Jan. 31, 1995
5353828 Valve construction and method of making the same Oct. 11, 1994
5148978 Cooling machine and an optimalized thermostatic expansion valve therefor Sep. 22, 1992
5143287 Control device for a system regulating the ventilation flow of a controlled-atmosphere room, and functioning cycles thereof Sep. 1, 1992
5083439 Control device having a shape memory wire, refrigerator system utilizing the control device and methods of making the same Jan. 28, 1992
5037061 Valve construction and method of making the same Aug. 6, 1991
4958801 Valve construction and method of making the same Sep. 25, 1990
4809947 Flow regulation valve Mar. 7, 1989
4799577 Telescopic hydraulic shock absorber with temperature sensitive wire to control damping Jan. 24, 1989
4776559 Valve actuated by a device containing an expandable wax associated with thermistors Oct. 11, 1988
4754920 Compact operator for gas control valves Jul. 5, 1988
4739925 Power driven valve actuator Apr. 26, 1988
4685651 Thermostatic control devices Aug. 11, 1987
4666081 Programmable thermostat and system therefor May. 19, 1987
4651968 Valve construction and method of making the same Mar. 24, 1987
4593882 Zone control valve Jun. 10, 1986
4560140 Zone control valve Dec. 24, 1985
4508314 Gas valve Apr. 2, 1985
4323220 Actuating apparatus for adjusting a movable element, particularly the closure member of a valve Apr. 6, 1982
4318529 Actuating apparatus for adjusting a movable element, particularly the closure member of a valve Mar. 9, 1982
4284235 Vent control arrangement for combustion apparatus Aug. 18, 1981
4268006 Modulating diaphragm valve May. 19, 1981
4265396 Control system for central heating May. 5, 1981
4258899 Actuating apparatus for adjusting a movable element, particularly the closure member of a valve Mar. 31, 1981
4239177 Electrically operated valve with balanced port design Dec. 16, 1980
4184634 Closed loop control for automatic temperature control system Jan. 22, 1980
4184633 Bimetal controlled actuator Jan. 22, 1980
4175695 Fail-safe stack damper control system Nov. 27, 1979
4172581 Vacuum metering valve construction Oct. 30, 1979
4171087 Control valve Oct. 16, 1979
4156518 Electric vacuum valve May. 29, 1979
4139151 Electric thermal switch valve Feb. 13, 1979
4060192 Fuel control system and method of operating the same and diverter valve therefor Nov. 29, 1977
4053136 Control circuit and adjustable valve for a gas appliance Oct. 11, 1977

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