Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 236/68D
Name: Automatic temperature and humidity regulation > Motors > Relay > Auxiliary heater > Thermo-controlled pilot burner operates a heat motor to actuate main fuel valve

Patents under this class:

Patent Number Title Of Patent Date Issued
6959876 Method and apparatus for safety switch Nov. 1, 2005
6637669 Thermostatic gas valve with a pressure regulator Oct. 28, 2003
6522235 Switch structure for a heating device Feb. 18, 2003
5816490 Thermostatic gas valve for domestic heaters Oct. 6, 1998
5484103 Control device and method of making the same Jan. 16, 1996
5407128 Control system, control device therefor and methods of making the same Apr. 18, 1995
5340019 Electronic aquastat in immersible capsule Aug. 23, 1994
5326029 Control system, control device therefor and methods of making the same Jul. 5, 1994
4921161 Fuel control device, fuel control system using the device and method of making the device May. 1, 1990
4640676 Burner control device, system and method of making the same Feb. 3, 1987
4511326 Gas-supply system for catalytic gas burners Apr. 16, 1985

  Recently Added Patents
Semiconductor device including multi-chip
Method and apparatus for providing seamless call handoff between networks that use dissimilar transmission methods
Heterocyclic compounds as CCR2B antagonists
Navigating applications using side-mounted touchpad
Pixel circuit
Polymer compositions and nonwoven compositions prepared therefrom
  Randomly Featured Patents
Data coding method and corresponding data processing unit having a coding/decoding circuit
Dual filament halogen cycle incandescent lamp for the use in motor vehicle headlamps, for instance in sealed beam headlamps
Directional element to determine faults on ungrounded power systems
Display case
Disposable and trimmable wireless pressure sensor
Fire-safe valve structure
User interface with parallax animation
Bandwidth management and access control for an ATM network
Color laser display apparatus having fluorescent screen scanned with modulated ultraviolet laser light
Printing apparatus