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Class Information
Number: 236/15BG
Name: Automatic temperature and humidity regulation > Furnace controlled > Commercial furnace controls > Timer or program

Patents under this class:

Patent Number Title Of Patent Date Issued
7497386 Apparatus and methods for operating a gas valve Mar. 3, 2009
7455238 Control system and method for multistage air conditioning system Nov. 25, 2008
7240851 Thermostat fan and boiler timer Jul. 10, 2007
6881055 Temperature controlled burner apparatus Apr. 19, 2005
6754541 Control system apparatus for loading a value of a system parameter and preventing change thereto after a period of time Jun. 22, 2004
6064310 Security system with HVAC fault reporting May. 16, 2000
5656493 System for automated performance of the polymerase chain reaction Aug. 12, 1997
4583936 Frequency modulated burner system Apr. 22, 1986
4521183 Cooking appliance Jun. 4, 1985
4461616 Ceramic heat treatment regulating apparatus and method Jul. 24, 1984
4425930 Fluid flow control apparatus and method Jan. 17, 1984
4234124 Control system for gas kiln Nov. 18, 1980
4172555 Adaptive electronic thermostat Oct. 30, 1979
4142376 Control for cryogenic freezing tunnel Mar. 6, 1979
4114024 Feedback-controlled radiant furnace for firing ceramic material and the like Sep. 12, 1978
4003803 Control system for preventing an excessive temperature rise in a battery of coke ovens Jan. 18, 1977
4001557 Stored program digital process controller Jan. 4, 1977
3985712 Method and apparatus for preparing intermediate polyester resin Oct. 12, 1976

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