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Class Information
Number: 236/78R
Name: Automatic temperature and humidity regulation > Motors > Electric > Relay
Description:










Sub-classes under this class:

Class Number Class Name Patents
236/78A Plural control elements 17
236/78B Plural temperature sensors 66
236/78D Proportional control 195
236/78C Reversible motor 30


Patents under this class:

Patent Number Title Of Patent Date Issued
8418930 Temperature control circuit Apr. 16, 2013
8237094 Pulse modulation heating system and method Aug. 7, 2012
7673809 Thermostat relay control Mar. 9, 2010
7661469 Synchronized thermal management method Feb. 16, 2010
7497386 Apparatus and methods for operating a gas valve Mar. 3, 2009
6935572 Temperature differential eliminator Aug. 30, 2005
6889762 Vehicle air conditioning and heating system providing engine on and engine off operation May. 10, 2005
6886754 Thermostat operable from various power sources May. 3, 2005
6691923 Low noise solid-state thermostat Feb. 17, 2004
6597275 Intrusion barrier for thermostat Jul. 22, 2003
6549866 Digital electronic control unit Apr. 15, 2003
6354508 Electronic temperature controller, particularly for refrigeration appliances Mar. 12, 2002
6336593 Multipoint digital temperature controller Jan. 8, 2002
6216956 Environmental condition control and energy management system and method Apr. 17, 2001
6145752 Temperature monitoring and control system Nov. 14, 2000
6094920 Circuit and method for controlling temperature without using CPU and software Aug. 1, 2000
6062483 Electronic thermostat May. 16, 2000
6032867 Flat plate thermostat and wall mounting method Mar. 7, 2000
6006996 Electronic thermostat control unit and its use in multipoint temperature controller for refrigeration and heating systems Dec. 28, 1999
5957374 Voltage boosting system and method for electronic thermostat relay Sep. 28, 1999
5816492 Room temperature sensor and thermostat control device Oct. 6, 1998
5744973 Resistance to frequency circuit for measuring ambient temperature on a thermostat Apr. 28, 1998
5573179 Method for controlling environmental conditions of living organisms based upon time integrated variables Nov. 12, 1996
5520327 Electronic thermostat having safety feature May. 28, 1996
5485954 Reduced profile thermostat Jan. 23, 1996
5467921 Thermostat having short circuit protection Nov. 21, 1995
5257735 Automatic room environment controller Nov. 2, 1993
5199637 Electronic thermostat having correction for internally generated heat from load switching Apr. 6, 1993
5102042 Electrical system for controlling the operation of a heat exchanger, control device therefor and methods of making the same Apr. 7, 1992
5002226 Thermostat with mechanical heat anticipation and droop control Mar. 26, 1991
4875342 Temperature control means for a refrigerating apparatus Oct. 24, 1989
4827731 Temperature control means for a refrigerating container May. 9, 1989
4824013 Temperature controller Apr. 25, 1989
4776514 Two wire line voltage thermostat Oct. 11, 1988
4641778 Electronic water heater thermostat system Feb. 10, 1987
4638850 Electronic thermostat Jan. 27, 1987
H193 Electronic temperature equalizer Jan. 6, 1987
4566861 Method of and apparatus for operating a diffusion pump Jan. 28, 1986
4504010 Temperature control device Mar. 12, 1985
4333605 Variable input-resistance power supply circuit Jun. 8, 1982
4314666 Adjustable electronic temperature control, especially for refrigerators or the like Feb. 9, 1982
4283921 Control and alarm system for freezer case temperature Aug. 18, 1981
4210823 Condition control system with special set point means Jul. 1, 1980
3951625 Air conditioning apparatus Apr. 20, 1976
3942718 Electronic thermostat Mar. 9, 1976











 
 
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