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Class Information
Number: 137/454.6
Name: Fluid handling > Removable valve head and seat unit > Retained by bonnet or closure
Description: Devices in which the unit is retained in position by a valve bonnet or access-opening closure.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8640726 Cold and hot water balancing valve structure Feb. 4, 2014
8517055 Valve cartridge with lobular key Aug. 27, 2013
8490652 Cage valve with flow trim for reduced fracturing Jul. 23, 2013
8485218 Oil pressure regulating valve for generator applications Jul. 16, 2013
8459297 Balanced valve cartridge Jun. 11, 2013
8402991 Outlet valve for a frost-preventing faucet Mar. 26, 2013
8360094 Apparatus to mechanically load a compression member Jan. 29, 2013
8356622 Fluid valves having dynamic valve trim joints Jan. 22, 2013
8281814 Water supply valve cartridge Oct. 9, 2012
8205634 Hydraulic block Jun. 26, 2012
8191567 Mixer cartridge Jun. 5, 2012
8056578 Valve cartridge with lobular key Nov. 15, 2011
8028714 Water control valve core with a segmented locking fuction Oct. 4, 2011
7971603 Header for a heat exchanger Jul. 5, 2011
7926508 Water control valve system with snapping action Apr. 19, 2011
7896025 Valve body Mar. 1, 2011
7841362 Water control valve Nov. 30, 2010
7814927 Faucet with accessible waterway assembly Oct. 19, 2010
7802590 Switch valve having leakproof function Sep. 28, 2010
7779865 Plumbing valve with undulating disk surface Aug. 24, 2010
7677266 Compact manifolded fail safe hydraulic control system Mar. 16, 2010
7647942 Constant flow rate valve Jan. 19, 2010
7647940 Device and method for pneumatic valve control Jan. 19, 2010
7575019 Faucet with water temperature retaining feature Aug. 18, 2009
7549437 Valve and fluid system having that valve Jun. 23, 2009
7549444 Frost free valve assembly Jun. 23, 2009
7533683 Cartridge underbody attachment May. 19, 2009
7484523 Rotatable wedge cartridge valve mechanism and method for assembly and disassembly Feb. 3, 2009
7401622 Modular pressure regulator Jul. 22, 2008
7383858 Control valve assembly for a faucet Jun. 10, 2008
7383852 Self sealing water trap Jun. 10, 2008
7363937 Replaceable sleeve insert for a choke assembly Apr. 29, 2008
7363934 Control valve having pressure balance effect Apr. 29, 2008
7357145 High-pressure, hemi-wedge cartridge valve Apr. 15, 2008
7320338 Microvalve package assembly Jan. 22, 2008
7306005 Valve and valve cartridge Dec. 11, 2007
7300075 Sealing assembly Nov. 27, 2007
7290560 Valve cover locking system Nov. 6, 2007
7264016 Self-closing rotary valve Sep. 4, 2007
7225829 Flow-control valve assembly Jun. 5, 2007
7185671 Angled dual check valve Mar. 6, 2007
7165570 Pressure balancing cartridge for mixing valve Jan. 23, 2007
7150825 Sealing apparatus of fuel filter Dec. 19, 2006
7143777 Control valve having pressure balance effect Dec. 5, 2006
7140383 Intake system Nov. 28, 2006
7140390 Frost free valve assembly Nov. 28, 2006
7063098 Flush cartridge apparatus and method of use Jun. 20, 2006
6945264 Flow control valve and method for using the same Sep. 20, 2005
6932108 Pressure reducer Aug. 23, 2005
6929029 Faucet for preventing cold water from flowing to hot water tube Aug. 16, 2005

1 2 3 4 5 6










 
 
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