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Class Information
Number: 137/565.15
Name: Fluid handling > Systems > With pump > Pumped fluid control > Fluid pressure responsive > Direct response valve
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8684030 Inflatable device with fluid controller and self-sealing valve Apr. 1, 2014
8678031 Pipe-passivating alkali-injecting device for a nuclear plant Mar. 25, 2014
8662856 Pump control system Mar. 4, 2014
8550110 Temporary waterproofing systems and methods Oct. 8, 2013
8297309 Air pump device and its inflatable product Oct. 30, 2012
8132587 Apparatus and method for introducing air into a hydropneumatic reservoir Mar. 13, 2012
8066030 Fuel conveying device Nov. 29, 2011
7401623 Double-acting valve unit Jul. 22, 2008
7121291 Check valve, auxiliary circulating device and method for driving the auxiliary circulating device Oct. 17, 2006
7000626 Instantaneous and constant fluid delivery system Feb. 21, 2006
6705339 Surge check unit for a liquid distribution system Mar. 16, 2004
6543473 Damper valve and a hydraulic power steering device using the same Apr. 8, 2003
6196246 Freeze-resistant plumbing system in combination with a backflow preventer Mar. 6, 2001
5988213 Vehicular fuel supplying apparatus Nov. 23, 1999
5470150 System for mixing and activating polymers Nov. 28, 1995
5232016 Vacuum storage container Aug. 3, 1993
5139653 System for draining water from oil storage tanks with periodic monitoring and recirculation Aug. 18, 1992
5123443 Fluid delivery system Jun. 23, 1992
5123441 Apparatus for fluid transfer Jun. 23, 1992
5004536 Water reclamation apparatus Apr. 2, 1991
4974570 Fuel supply module Dec. 4, 1990
4926904 Pressure washer May. 22, 1990
3978886 Backflow safety valve for therapy pools Sep. 7, 1976
3955594 Pressure operated valve systems May. 11, 1976











 
 
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