Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 236/25A
Name: Automatic temperature and humidity regulation > Closed fluid heaters > Flow controlled > Flow responsive valve controlling fuel
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
6886756 Method and apparatus for controlling and providing electrical connections for a boiler May. 3, 2005
6648235 Control method of thermostatic system Nov. 18, 2003
5946926 Variable flow chilled fluid cooling system Sep. 7, 1999
5092519 Control system for water heaters Mar. 3, 1992
5039007 Water and air heating system Aug. 13, 1991
4738395 Fluid flow rate detector and system Apr. 19, 1988
4678116 Water heater Jul. 7, 1987
4627416 Water heater Dec. 9, 1986
4556168 Rapid response water heating and delivery system Dec. 3, 1985
4549525 Oil and gas water heater Oct. 29, 1985
4505253 Water heater Mar. 19, 1985
4497434 Detector of the flowing of a fluid in a pipe and energy saving device for a hot water system using this detector Feb. 5, 1985
4431132 Control valve systems for gas water heaters Feb. 14, 1984
4385724 Apparatus for controlling the water temperature of a spa May. 31, 1983
4171771 Central heating systems Oct. 23, 1979
4147159 Temperature controlled instantaneous water heating apparatus Apr. 3, 1979











 
 
  Recently Added Patents
Apparatus and method for connection control with media negotiation successful on different media formats
Electrode tab for secondary battery and secondary battery using the same
Method and system for accomplishing user equipment purge
Chain link
Glove
Device and method for superimposing patterns on images in real time, particularly for guidance by location
Radiation imaging device
  Randomly Featured Patents
Atmospheric plasma apparatus and manufacturing method thereof
Mobile telephony station with speaker phone function
Device and method for detecting and elimination of spurious ultrasonic ranging echoes
Secure file system server architecture and methods
Battery rapid charging circuit
Tamper detection envelope
Magnetic field sensor and magnetic disk apparatus
Voltage limiting circuit
Spring loaded, adjustable walking door hinge
Manufacturing methods for write heads with floating side shields