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Class Information
Number: 251/215
Name: Valves and valve actuation > Mechanical movement actuator > Plural motions of valve
Description: Subject matter wherein the mechanical movement produces plural motions of the valves or valve components which motions are concurrent or consecutive.










Sub-classes under this class:

Class Number Class Name Patents
251/226 Biased 0
251/218 Encased 29
251/216 Screw threads in flow path 50
251/225 Threads in removable sleeve 30
251/217 Valve head between actuator and screw 10


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8690119 Leak-free reciprocating stemmed valve Apr. 8, 2014
8656965 Bleeder plug Feb. 25, 2014
8434736 Fluid passage valve May. 7, 2013
8434595 Valve body cover of automatic transmission May. 7, 2013
8272855 Valve and infusion device having the same Sep. 25, 2012
8124024 Cassette for sample preparation Feb. 28, 2012
8006717 Injection valve of high pressure homogenizer and injection valve unit of the same Aug. 30, 2011
7905367 Oil pan for an internal combustion engine Mar. 15, 2011
7588231 Low emission, fixed maximum liquid level gauge and valve Sep. 15, 2009
7543723 Air vented liquid valve Jun. 9, 2009
7517385 Gas separation device and method of use Apr. 14, 2009
7410146 Drain valve with flow control Aug. 12, 2008
7287541 Method, apparatus and system for controlling fluid flow Oct. 30, 2007
7121526 Drain plug assembly Oct. 17, 2006
6929020 Fluid pressure releasing system and method Aug. 16, 2005
6824118 Micro-adjustment flow control valve Nov. 30, 2004
6553728 Insulating glass unit pressure equalization valve Apr. 29, 2003
6540205 Fine-adjustment flow control valve Apr. 1, 2003
6534793 Control valve for an exhaust gas recirculation system of an internal combustion engine Mar. 18, 2003
6464203 Swing-door gate valve Oct. 15, 2002
6409149 Dual pendulum valve assembly with valve seat cover Jun. 25, 2002
6382592 Valve May. 7, 2002
6368736 Reactant product valve for an electrolysis cell Apr. 9, 2002
6340148 Valve handle for preventing a valve from being accidentally turned on Jan. 22, 2002
6241213 Diaphragm valve Jun. 5, 2001
6200111 Controllable high volume positive displacement pump Mar. 13, 2001
6186174 Valve assembly Feb. 13, 2001
6186473 Tap Feb. 13, 2001
6148841 High pressure gas valve Nov. 21, 2000
6112368 Temperature compensating valve Sep. 5, 2000
6095494 Rising stem tap of plastic, preferably with a metal threaded insert Aug. 1, 2000
6029683 Pressurized gas tank valve plug Feb. 29, 2000
5992440 Washer saver faucet valve Nov. 30, 1999
5957147 Retaining snap ring safety adapter Sep. 28, 1999
5947444 Gas tap Sep. 7, 1999
5853026 Valve with downstream manual bleed Dec. 29, 1998
5829474 Tubing piercing and tapping apparatus Nov. 3, 1998
5775672 Release valve for lifting devices Jul. 7, 1998
5769392 Water flowrate control device Jun. 23, 1998
5769119 Combined control and check valve for gas torches Jun. 23, 1998
5694971 Lead-free saddle valve for tapping into fluid lines Dec. 9, 1997
5641012 Valve device Jun. 24, 1997
5630666 Cone-shaped paint container May. 20, 1997
5503180 Valve having easily replaceable seat Apr. 2, 1996
5480122 Shut-off valve for installation immediately downstream from a defective valve mounted into the compression-connection type of outlet of the defective valve Jan. 2, 1996
5454546 Water faucet mechanism Oct. 3, 1995
5447203 Remotely actuated firefighting nozzle Sep. 5, 1995
5435339 Manual air relief valve Jul. 25, 1995
5421547 Inline valve Jun. 6, 1995
5211313 Dispensing taps May. 18, 1993

1 2










 
 
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