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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
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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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