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Class Information
Number: 137/65
Name: Fluid handling > Combustion failure responsive fuel safety cut-off for burners
Description: Subject matter comprising a flow control device or safety valve in the fuel supply to a burner which is automatically actuated to discontinue the fuel flow in response to the extinguishment of the main or pilot burner.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7252502 |
Method and system for combined standing pilot safety and temperature setting |
Aug. 7, 2007 |
| 6848474 |
Control device for a flow of fluid |
Feb. 1, 2005 |
| 6745994 |
Device for repositioning a rotating element |
Jun. 8, 2004 |
| 5844492 |
Water leakage detection and gas shut-off device |
Dec. 1, 1998 |
| 5785511 |
Control device for gas supply to main burner and pilot burner of a gas equipment |
Jul. 28, 1998 |
| 5735503 |
Servo pressure regulator for a gas valve |
Apr. 7, 1998 |
| 5280802 |
Gas appliance detection apparatus |
Jan. 25, 1994 |
| 4995415 |
Partially flooded gas appliance safety shut-off method and apparatus |
Feb. 26, 1991 |
| 4832070 |
Flame failure devices |
May. 23, 1989 |
| 4806095 |
Fuel valve control system |
Feb. 21, 1989 |
| 4783600 |
Automatic controller of the master gas switch |
Nov. 8, 1988 |
| 4778378 |
Self-powered intermittent ignition and control system for gas combustion appliances |
Oct. 18, 1988 |
| 4518003 |
Pressure responsive cap for gas appliances |
May. 21, 1985 |
| 4491142 |
Automatic stopping device of combustion fuel supply |
Jan. 1, 1985 |
| 4437830 |
Burner and pilot valve safety control system |
Mar. 20, 1984 |
| 4429705 |
Manually actuated fuel valve control |
Feb. 7, 1984 |
| 4303384 |
Flame failure device |
Dec. 1, 1981 |
| 4168719 |
Gas control unit for a burner |
Sep. 25, 1979 |
| 4092994 |
Valves |
Jun. 6, 1978 |
| 4080154 |
Gas burner control system with cycling pilot |
Mar. 21, 1978 |
| 4005726 |
Thermomagnetic valve |
Feb. 1, 1977 |
| 3975135 |
Burner control system with cycling pilot burner |
Aug. 17, 1976 |
| 3938936 |
Fluid control system |
Feb. 17, 1976 |
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