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Class Information
Number: 236/21R
Name: Automatic temperature and humidity regulation > Closed fluid heaters > Safety cut-out
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6976636 |
Heater having over temperature shut off control |
Dec. 20, 2005 |
| 6728600 |
Distributed appliance control system having fault isolation |
Apr. 27, 2004 |
| 6129284 |
Integrated appliance control system |
Oct. 10, 2000 |
| 5838243 |
Combination carbon monoxide sensor and combustion heating device shut-off system |
Nov. 17, 1998 |
| 5836511 |
Solar hot water heating system |
Nov. 17, 1998 |
| 5520327 |
Electronic thermostat having safety feature |
May. 28, 1996 |
| 5451929 |
Smoke alarm and air cleaning device |
Sep. 19, 1995 |
| 4986468 |
Test circuit for system monitoring apparatus |
Jan. 22, 1991 |
| 4984736 |
Heater for motor vehicles which can be operated on several power settings |
Jan. 15, 1991 |
| 4818970 |
Fire condition detection and control system for air moving and filtering units |
Apr. 4, 1989 |
| 4750452 |
Water heater |
Jun. 14, 1988 |
| 4726514 |
Heating device |
Feb. 23, 1988 |
| 4598668 |
Apparatus for efficiently controlling the operation of parallel boiler units |
Jul. 8, 1986 |
| 4429682 |
Automatic safety gas heating device |
Feb. 7, 1984 |
| 4375273 |
Combustion automatic control system |
Mar. 1, 1983 |
| 4374506 |
Automatic flue gas heat recovery system |
Feb. 22, 1983 |
| 4367845 |
Automatic temperature control system for diver heating system |
Jan. 11, 1983 |
| 4295604 |
Automatic temperature control system for diver heating system |
Oct. 20, 1981 |
| 4240579 |
Thermostatically controlled heating system |
Dec. 23, 1980 |
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