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Class Information
Number: 237/2R
Name: Heating systems > Automatic control

Sub-classes under this class:

Class Number Class Name Patents
237/2A Automatic heating systems with controls 274
237/3 Brooder and incubator 42
237/5 Car 33
237/7 Combined radiator and boiler 24
237/11 Compressed air 11
237/2B Heat source is a reverse cycle refrigerating system or heat pump 390
237/12 Processes 19
237/9R Steam 19
237/8R Water 250

Patents under this class:

Patent Number Title Of Patent Date Issued
8684276 Portable catalytic heater Apr. 1, 2014
8528833 Portable heating pad Sep. 10, 2013
8480004 System for delivering warmed fluids Jul. 9, 2013
8291869 Method for preventing coagulation in exhaust pipe of boiler Oct. 23, 2012
8224495 Control of power generation system having thermal energy and thermodynamic engine components Jul. 17, 2012
8172157 Cogeneration apparatus May. 8, 2012
8136740 Thermodynamic cycles using thermal diluent Mar. 20, 2012
8070482 Combustion control system of detection and analysis of gas or fuel oil flames using optical devices Dec. 6, 2011
7216698 Air-conditioning system May. 15, 2007
7028913 Process for humidifying the useful space in an incubator and in a controlled atmosphere incubator Apr. 18, 2006
6957696 Combination radiant and forced air climate control system Oct. 25, 2005
6772045 System for determining dry cleaning timing, method for determining dry cleaning timing, dry cleaning method, and method for manufacturing semiconductor device Aug. 3, 2004
6754541 Control system apparatus for loading a value of a system parameter and preventing change thereto after a period of time Jun. 22, 2004
6726114 Evaporative burner Apr. 27, 2004
6644398 Advanced starting control for multiple zone system Nov. 11, 2003
6647302 Human interface panel for boiler control system Nov. 11, 2003
6622929 Steam heating system Sep. 23, 2003
6591901 Advanced starting control for heating/cooling systems Jul. 15, 2003
6575233 Combination radiant and forced air climate control system Jun. 10, 2003
6467537 Advanced starting control for multiple zone system Oct. 22, 2002
6453993 Advanced starting control for multiple zone system Sep. 24, 2002
RE37636 Demand radiant heating system Apr. 9, 2002
6078107 Process and device for shutting off a motor vehicle heating device Jun. 20, 2000
5918805 Self-powered space heating system Jul. 6, 1999
5460328 Method for the automatic optimization of a heating curve Oct. 24, 1995
5369597 System for controlling heating or cooling capacity in heating or air conditioning systems Nov. 29, 1994
5353986 Demand radiant heating system Oct. 11, 1994
5253635 Gas-fired heater Oct. 19, 1993
4953536 Water heating apparatus Sep. 4, 1990
4321962 Sub-basement sensible heat storage for solar energy Mar. 30, 1982
4275831 Make up air system Jun. 30, 1981
4240499 Balanced waste heat recovery and dissipation system Dec. 23, 1980
3942515 Air caloric stimulation system Mar. 9, 1976

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