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Class Information
Number: 122/23
Name: Liquid heaters and vaporizers > Fluid fuel
Description: Boilers not otherwise classifiable that are heated by fluid fuel.

Sub-classes under this class:

Class Number Class Name Patents
122/24 Explosion 52
122/ Plural burner 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8443764 Arrangement for the adjustment of equipment for a boiler May. 21, 2013
7882704 Flame stability enhancement Feb. 8, 2011
6887603 Raw fuel vaporizing apparatus, method of vaporizing raw fuel, and fuel cell system equipped with raw fuel vaporizing apparatus May. 3, 2005
6866091 Device for vaporizing and/or superheating a combustible Mar. 15, 2005
5471956 Heat-insulating structure for combustion equipment Dec. 5, 1995
4590888 Water heater May. 27, 1986
4499858 Fuel burning assembly Feb. 19, 1985
4491092 Sealed forced-draft gas boiler disposition Jan. 1, 1985
4477248 Oil burner shutter Oct. 16, 1984
4390007 Fuel preheater Jun. 28, 1983
4373472 Water heater Feb. 15, 1983
4287857 Burner-boiler combination and an improved burner construction therefor Sep. 8, 1981

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