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Class Information
Number: 126/350.2
Name: Stoves and furnaces > Liquid heater > Fluid fuel burner for other than top-accessible vessel > Vaporizer or humidifier
Description: Subject matter wherein the liquid heater converts the liquid into a gaseous state for delivery outside the liquid heater.

Patents under this class:

Patent Number Title Of Patent Date Issued
8622053 Burner and method of its operation Jan. 7, 2014
8181943 Humidifier May. 22, 2012
7490580 Vaporizer that vaporizes a liquid to generate vapor Feb. 17, 2009
6604492 Vaporizer Aug. 12, 2003
6578830 Gas-fired humidifier Jun. 17, 2003
5941230 Appliance for improved venting Aug. 24, 1999
5816496 Gas fired humidifier Oct. 6, 1998
5769067 Air heater and humidifier using direct contact heating principles and method of operation Jun. 23, 1998
5370085 Steam generator with porous partitions Dec. 6, 1994
RE34739 Seal retaining configuration for humidifier Sep. 27, 1994
5067473 Heater with a humidifier Nov. 26, 1991
4466422 Humidifier and air circulator Aug. 21, 1984
4354481 Heating apparatus Oct. 19, 1982
4265712 Water purification system May. 5, 1981
4236505 Forced droplet humidifier Dec. 2, 1980
4112281 Combined water heater and sauna room heater device Sep. 5, 1978

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