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Class Information
Number: 137/596.17
Name: Fluid handling > Systems > Supply and exhaust > Motor
Description: Device in which a valve is operated by a power driven actuating means.










Sub-classes under this class:

Class Number Class Name Patents
137/596.18 Fluid motor 180


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8701707 Pressure control valve device Apr. 22, 2014
8689833 Valve device Apr. 8, 2014
8607821 Stack valve Dec. 17, 2013
8561644 Pulsator apparatus and method of operation Oct. 22, 2013
8528599 Pulse width modulated solenoid Sep. 10, 2013
8490380 Internal continuous combustion engine system Jul. 23, 2013
8479770 4-way valve system Jul. 9, 2013
8434517 Control valve May. 7, 2013
8434518 Control valve May. 7, 2013
8413685 Control valve Apr. 9, 2013
8413674 Valve with electromechanical device for actuating the valve Apr. 9, 2013
8403002 Directional control fluid valve Mar. 26, 2013
8371331 Solenoid operated fluid control valve Feb. 12, 2013
8322376 Solenoid valve Dec. 4, 2012
8291925 Method for operating a hydraulic actuation power system experiencing pressure sensor faults Oct. 23, 2012
8267004 Adaptable hydraulic control system Sep. 18, 2012
8230881 Valve Jul. 31, 2012
8220485 Pneumatic pilot valve Jul. 17, 2012
8156953 Method and device for regulating a pressure in a hydraulic system Apr. 17, 2012
8127791 Solenoid operated fluid control valve Mar. 6, 2012
8100142 Bleed-type electromagnetic valve Jan. 24, 2012
8006717 Injection valve of high pressure homogenizer and injection valve unit of the same Aug. 30, 2011
7984729 Proportional pressure control valve for regulating the pressure level in a hydraulic circuit, particularly in a hydraulic circuit of an automated transmission Jul. 26, 2011
7946308 Methods of packaging valve chips and related valve assemblies May. 24, 2011
7909058 Valve-intensive button for adjusting height of cushion seat for vehicle Mar. 22, 2011
7905249 Proportional pressure control valve comprising a pressure jump in the characteristic p/l curve thereof Mar. 15, 2011
7866344 Rotary valve Jan. 11, 2011
7823602 Hydraulic system having at least one hydraulic valve for actuating a component Nov. 2, 2010
7810518 Sub-sea solenoid valves Oct. 12, 2010
7766040 Pressure control valve assembly Aug. 3, 2010
7753072 Valve assemblies including at least three chambers and related methods Jul. 13, 2010
7748405 System, method and apparatus for reducing frictional forces and for compensating shape memory alloy-actuated valves and valve systems at high temperatures Jul. 6, 2010
7721760 Device and valve combination for reversing the flow of flowing media May. 25, 2010
7717128 Pressure balanced three-way valve for motion control May. 18, 2010
7703478 Shifting unit Apr. 27, 2010
7650906 Valve apparatus having O-ring Jan. 26, 2010
7644724 Valve with electromechanical device for actuating the valve Jan. 12, 2010
7637152 Flow meter and flow-regulating system using the same Dec. 29, 2009
7516756 Proportional pressure control valve Apr. 14, 2009
7497232 Pressure control valve Mar. 3, 2009
7484528 Valve Feb. 3, 2009
7448412 Microvalve assemblies and related structures and related methods Nov. 11, 2008
7406982 Hydraulic system control method using a differential pressure compensated flow coefficient Aug. 5, 2008
7370669 Electromagnetic valve May. 13, 2008
7367357 Solenoid ball valve with bypass orifice May. 6, 2008
7367355 Twin manifold seat valve having solenoid actuation May. 6, 2008
7325567 Pneumatic retarder acutator valve Feb. 5, 2008
7320335 Electrohydraulic control device Jan. 22, 2008
7308909 High pressure three way valve Dec. 18, 2007
7243679 Adsorbent fractionator directional flow control valve assembly apparatus and method Jul. 17, 2007

1 2 3 4 5 6 7 8 9










 
 
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