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Class Information
Number: 137/335
Name: Fluid handling > With heating or cooling of the system > With burner
Description: Apparatus in which the source of heat for the device includes a burner.










Sub-classes under this class:

Class Number Class Name Patents
137/336 Flue extending through fluid 0


Patents under this class:

Patent Number Title Of Patent Date Issued
8544761 User activated hot water heater and control system Oct. 1, 2013
7951500 Anode gas stack start-up heater and purge gas generator May. 31, 2011
6935361 Pipe, piping system, radiant heating system, and kit Aug. 30, 2005
6652267 Burner for the partial oxidation of liquid fuels which contain carbon Nov. 25, 2003
6568426 Pressurized water supply systems May. 27, 2003
6308895 Gas-flow control valve for a heating appliance Oct. 30, 2001
6182944 System for connecting valve units for gas water-heaters to tanks belonging to the water-heaters Feb. 6, 2001
5967766 Heater control system and methods of making Oct. 19, 1999
5620016 Fuel control device, parts therefor and methods of making the same Apr. 15, 1997
5348037 Hot water tank construction, parts therefor and methods of making the same Sep. 20, 1994
5261438 Hot water tank construction, parts therefor and methods of making the same Nov. 16, 1993
4622135 Grease filtering apparatus Nov. 11, 1986
4483364 Heater for ultra high pressure compressed gas Nov. 20, 1984
4236548 Apparatus for providing instant hot water Dec. 2, 1980
4217924 Cleaning system having steam and water mixing ejector Aug. 19, 1980











 
 
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