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Class Information
Number: 137/539
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Spring biased > Ball valves
Description: Valves in which the moving element is substantially spherical.










Sub-classes under this class:

Class Number Class Name Patents
137/539.5 With follower 77


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8689825 Flow control valve Apr. 8, 2014
8684029 Check valve of hydraulic brake system Apr. 1, 2014
8578964 Bleeding screw having a kick-back valve Nov. 12, 2013
8523541 Plastic element, piston pump, and assembly method Sep. 3, 2013
8511347 Tamper-resistant water flow restriction system Aug. 20, 2013
8511339 Fuel pressure controller Aug. 20, 2013
8506270 Variable displacement vane pump Aug. 13, 2013
8499787 Pressure control valve Aug. 6, 2013
8403428 Check valve and brake hydraulic pressure control device using the same Mar. 26, 2013
8397749 Piston cooling jet with tracking ball orifice Mar. 19, 2013
8376737 Hot air blower Feb. 19, 2013
8302622 Unbalanced inlet fuel tube for a fuel pressure regulator Nov. 6, 2012
8257065 High pressure lubricant pump for steelworks Sep. 4, 2012
8141749 Foam soap dispenser control valve Mar. 27, 2012
8087911 Pump of electronically controlled brake system Jan. 3, 2012
7993115 Pump of electronically controlled brake system Aug. 9, 2011
7984728 Fuel pressure regulator valve assembly Jul. 26, 2011
7896021 Quick change check valve system Mar. 1, 2011
7871251 High-pressure pump for feeding fuel to an internal combustion engine Jan. 18, 2011
7819132 Pressure regulator with ceramic valve element Oct. 26, 2010
7806142 Combined relief valve and check valve Oct. 5, 2010
7780144 Valve, in particular for a high-pressure pump of a fuel injection system for an internal combustion engine Aug. 24, 2010
7775192 Radial piston pump for fuel injection system having improved high-pressure resistance Aug. 17, 2010
7766035 Fluid jet for providing fluid under pressure to a desired location Aug. 3, 2010
7766034 Pressure control valve Aug. 3, 2010
7753073 Occlusion valve with safety relief Jul. 13, 2010
7708026 Fluid jet with noise reducing sleeve May. 4, 2010
7487863 Pressure container in a vibration damper Feb. 10, 2009
7421994 Hydraulic lash adjuster having a check valve cartridge sub-assembly Sep. 9, 2008
7395836 Screwable check valve Jul. 8, 2008
7392819 Method of setting the ball travel of a valve-lash-adjusting element Jul. 1, 2008
7367788 Pump for antilock braking system in vehicle May. 6, 2008
7353842 Air fitting with an integral check valve Apr. 8, 2008
7350534 Hollow ball valve assembly Apr. 1, 2008
7344367 Rotary compressor having a discharge valve Mar. 18, 2008
7334594 Apparatus and method for adjusting a locking mechanism of a shunt valve Feb. 26, 2008
7331561 Method and an apparatus for selectively releasing air from a mold Feb. 19, 2008
7287546 Simple structure of fuel pressure regulator designed to minimize pressure loss Oct. 30, 2007
7258135 Pressure regulator for a fuel supply system of an internal combustion engine Aug. 21, 2007
7258136 Pressure regulator Aug. 21, 2007
7234480 Telescopic snap valve Jun. 26, 2007
7228870 Fuel saving valve assembly Jun. 12, 2007
7152623 Fluid jet for providing fluid under pressure to a desired location Dec. 26, 2006
7114512 Gas safety device Oct. 3, 2006
7096883 Combined check/pressure control valve Aug. 29, 2006
7069946 Slow-release check valve Jul. 4, 2006
7066722 Discharge valve for compressor Jun. 27, 2006
7029248 Device for venting a pump unit Apr. 18, 2006
7021331 Check valve with locked restraint mechanism Apr. 4, 2006
6983762 Pressure regulator for a fuel supply system of an internal combustion engine Jan. 10, 2006

1 2 3 4










 
 
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