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Class Information
Number: 137/454.5
Name: Fluid handling > Removable valve head and seat unit > Threaded into valve casing
Description: Devices in which the seat carrying portion is threadably secured in the valve casing.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8550102 Easily replaceable valve assembly for a high pressure pump Oct. 8, 2013
8459288 Pressure reducing valve and regulator for gas Jun. 11, 2013
8291931 Flow control valve Oct. 23, 2012
8079382 Unfreeze faucet structure Dec. 20, 2011
8056574 Adjustable valve assembly Nov. 15, 2011
7975720 Ball valve cartridge for use with remote handle Jul. 12, 2011
7841358 Modular valve system Nov. 30, 2010
7810521 Sanitary fitting Oct. 12, 2010
7735521 Valve arrangement, particularly for spray damping units for printing machines Jun. 15, 2010
7686028 Structure of straight-out controllable ceramic valve of anti-freezing faucet Mar. 30, 2010
7624748 Valve Dec. 1, 2009
7461669 Seat keeper Dec. 9, 2008
7331359 Valve with bi-loading seal Feb. 19, 2008
7308902 Subsea valve assembly with replaceable fixed orifice insert Dec. 18, 2007
7290559 Check valve for a high-pressure pump of a fuel injection system for an internal combustion engine Nov. 6, 2007
7174910 Valve core Feb. 13, 2007
7171981 Flow control device and system Feb. 6, 2007
7063100 Flow regulator with pressure relief combination valve Jun. 20, 2006
7036523 Serviceable check valve May. 2, 2006
7017605 Valve assembly Mar. 28, 2006
7013913 Flow control valve Mar. 21, 2006
7000891 Screw-in valve Feb. 21, 2006
6964280 Valve assembly for use in a hydraulic component Nov. 15, 2005
6957660 Pressure relief valve with bidirectional damping Oct. 25, 2005
6901947 Rapid evacuation and charging system, and apparatus and methods relating thereto Jun. 7, 2005
6889704 Tap insert May. 10, 2005
6883538 Flow control valve coupling structure Apr. 26, 2005
6880573 Frost free valve assembly Apr. 19, 2005
6783337 Check valve seal assembly Aug. 31, 2004
6736161 Pressure regulating valve May. 18, 2004
6732756 Adapter for valve and manifold assembly May. 11, 2004
6722388 Multiple pressure regulator Apr. 20, 2004
6554014 Proportional pilot operated directional valve Apr. 29, 2003
6520755 Fluid-moving device with integrated valve Feb. 18, 2003
6467501 Fluid flow controller having axial needle valve for adjusting the flow rate Oct. 22, 2002
6446652 Backflow preventer assembly Sep. 10, 2002
6439257 Pressure control valve with hydrodynamic damping Aug. 27, 2002
6382242 Manifold and regulator apparatus May. 7, 2002
6349739 Multi-component metallic housing for a fluid Feb. 26, 2002
6345643 Faucet valve chamber body Feb. 12, 2002
6325090 Backflow preventer assembly Dec. 4, 2001
6296013 Pressure/flow rate control valve Oct. 2, 2001
6289921 Hydraulic valve, especially for controlling a camshaft movement in a motor vehicle Sep. 18, 2001
6279605 Water stopping seat of ceramic control valve of faucet Aug. 28, 2001
6192921 Screw-in cartridge valve and screw-in cartridge valve assembly Feb. 27, 2001
6189561 Valve cartridge for lift valve having the closing pressure on the sealing limited Feb. 20, 2001
6152165 Valve core mounting and dismounting tool Nov. 28, 2000
6145807 By-pass stud with integral safety valve Nov. 14, 2000
6142171 Valve adapter Nov. 7, 2000
6119719 General-purpose valves, preferably valves for faucet sets Sep. 19, 2000

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