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Class Information
Number: 236/9A
Name: Automatic temperature and humidity regulation > Combined heater and apartment controlled > Combined heating and apartment control with heating medium circulation control

Patents under this class:

Patent Number Title Of Patent Date Issued
8671702 Recessed thermostat and cutting tool Mar. 18, 2014
7661469 Synchronized thermal management method Feb. 16, 2010
5697551 Heating system of the type for apartments or offices in buildings Dec. 16, 1997
5622221 Integrated zoning circulator with priority controller Apr. 22, 1997
5507153 Electric motor vehicle Apr. 16, 1996
5209398 Model-based thermobalance with feedback May. 11, 1993
4690324 Oil burner control for hydronic system Sep. 1, 1987
4629116 Power saving thermal carrier circulating pump particularly for heat pump heating systems Dec. 16, 1986
4576332 Heating installation with heat pump Mar. 18, 1986
4553695 Automatic damper means for air ducts Nov. 19, 1985
4518116 Automatic damper operator May. 21, 1985
4515306 Four-terminal zone thermostat May. 7, 1985
4506825 Solenoid operated damper blades Mar. 26, 1985
4483479 Rationed heat control system Nov. 20, 1984
4474325 Control circuit for heating system Oct. 2, 1984
4446912 Selected segment heating or cooling system May. 8, 1984
4433810 Hot water heating system Feb. 28, 1984
4417687 Multi-blade automatic air register damper Nov. 29, 1983
4413774 Direct drive air register damper Nov. 8, 1983
4401260 Self-operated air register damper Aug. 30, 1983
4394958 Air flow and condition responsive damper Jul. 26, 1983
4365742 Heating system Dec. 28, 1982
4364512 Zone heat control Dec. 21, 1982
4360003 Wood burning hot water heater Nov. 23, 1982
4337891 Electric control device for a central heating boiler Jul. 6, 1982
4298165 Controls for heating system Nov. 3, 1981
4279381 Method for uniformly heating a multi-level building Jul. 21, 1981
4230267 Heating system for building structures Oct. 28, 1980
4153199 Fireplace heating system May. 8, 1979
4019677 Heating system for building structures Apr. 26, 1977
3948438 Thermostat system Apr. 6, 1976

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