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Class Information
Number: 137/297
Name: Fluid handling > Hydrant type > With casing > With heater
Description: Apparatus which includes a heating means, e.g., a heat exchange device or a gas or oil burner.

Patents under this class:

Patent Number Title Of Patent Date Issued
8526801 Line connector for media lines Sep. 3, 2013
7766033 Multiplexed latching valves for microfluidic devices and processors Aug. 3, 2010
6653245 Method for liquid phase deposition Nov. 25, 2003
6216722 Freeze-resistant hydrant Apr. 17, 2001
5685164 Refrigeration unit Nov. 11, 1997
4524262 Electrically heated sewer vent line defroster Jun. 18, 1985
4069409 Electrically heated fluid coupling apparatus Jan. 17, 1978
3932727 Electrically heated riser pipe for a fluid supply system Jan. 13, 1976

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