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Class Information
Number: 137/245
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Cleaning or steam sterilizing > Mechanical cleaning > Cleaning member reciprocates in passage > By-pass cleaning
Description: Systems in which the reciprocating member cleans a branch channel.

Patents under this class:

Patent Number Title Of Patent Date Issued
8499781 Flush control valve core assembly Aug. 6, 2013
5738138 Reduced water hammer control valve Apr. 14, 1998
5456279 Diaphragm-type pilot valve having a self-cleaning control orifice Oct. 10, 1995
5357995 Self-cleaning slurry metering valve Oct. 25, 1994
5295654 Metering valve Mar. 22, 1994
5285806 Method and apparatus for temporarily sealing off pipelines Feb. 15, 1994
5027850 Debris arrestor for valve bleed hole Jul. 2, 1991
4105042 Solar heating method and apparatus Aug. 8, 1978

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