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Class Information
Number: 137/427
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > With float leakage disposal
Description: Apparatus in which means is provided for removing from the interior of a float material which may leak into it.

Patents under this class:

Patent Number Title Of Patent Date Issued
8360093 Pilot fill valve Jan. 29, 2013
5787942 Float-type shut off device for a cryogenic storage tank Aug. 4, 1998
5769111 Leak detector Jun. 23, 1998
4419773 Adjustable tank discharge valve for controlling flush water volume Dec. 13, 1983
4112968 Automatic drain valve for a compressed air system Sep. 12, 1978
4080788 Separator apparatus for differential high pressure systems of a Stirling engine Mar. 28, 1978

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