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Class Information
Number: 137/245.5
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 > Independent actuation
Description: Devices wherein the means to actuate the cleaning means is independent of the valve actuator.










Patents under this class:

Patent Number Title Of Patent Date Issued
8544134 Tight space, inside boat thruhole fitting clearing Oct. 1, 2013
8522807 Arrangement and method for unloading raw material Sep. 3, 2013
8302619 Float valve apparatus and its cleaning method Nov. 6, 2012
8296892 Inside boat thruhole fitting clearing Oct. 30, 2012
8286275 Drain clean-out assembly and method of using Oct. 16, 2012
7240689 Multiple component mixing head Jul. 10, 2007
7182096 Self cleaning metering device for diaphragm style flush valve Feb. 27, 2007
6691731 Corporation stop cleaning device Feb. 17, 2004
6363566 Drain valve and pipe blockage clearing device Apr. 2, 2002
6206021 Sleeve valve with clean out section Mar. 27, 2001
6182677 Cleanout fitting for air conditioner evaporator drains Feb. 6, 2001
5295654 Metering valve Mar. 22, 1994
5285806 Method and apparatus for temporarily sealing off pipelines Feb. 15, 1994
4938246 Cleaning tool for a valve manifold Jul. 3, 1990
4898201 Portabl tool for cleaning valve bores and associated inlet passage Feb. 6, 1990
4648419 Assembly of pipes Mar. 10, 1987
4546789 Valved access fitting Oct. 15, 1985
4448247 Geothermal well head clean out and shut off assembly May. 15, 1984
4391289 Check valve for rod out Jul. 5, 1983
4192342 Rod out valve Mar. 11, 1980
4114649 Lead dosing valve Sep. 19, 1978











 
 
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