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Class Information
Number: 137/625.3
Name: Fluid handling > Systems > Multi-way valve unit > Dividing into parallel flow paths with recombining > With metering feature
Description: Devices having means to vary the flow through the parallel paths.










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

Patent Number Title Of Patent Date Issued
8662470 Dental syringe Mar. 4, 2014
8662110 Shut-off trim including spring loaded check valve Mar. 4, 2014
8622075 Fluid flow control valve Jan. 7, 2014
8585011 Control valve trim Nov. 19, 2013
8561632 Quick-acting valve having metering relief Oct. 22, 2013
8556226 Valve with the device enhancing capability of its closure member and related seat ring to resist erosion Oct. 15, 2013
8544819 Distribution valve with integrated flow metering unit Oct. 1, 2013
8522820 Valve system with circumferentially oriented flow Sep. 3, 2013
8517054 Flow resistance device Aug. 27, 2013
8511329 Metering valve Aug. 20, 2013
8511330 Servo minimum pressure valve Aug. 20, 2013
8496026 Valve Jul. 30, 2013
8490651 Fluid adjusting device Jul. 23, 2013
8453677 Valve Jun. 4, 2013
8443838 Refrigerant control valves May. 21, 2013
8434525 Noise reducing fluid passageways for fluid flow control devices May. 7, 2013
8430131 Noise control via outlet jet frequency dispersal Apr. 30, 2013
8418714 Flow rate range variable type flow rate control apparatus Apr. 16, 2013
8393355 Short stroke control valve Mar. 12, 2013
8387666 Noise control for fluid pressure reduction device for high pressure drop ratio Mar. 5, 2013
8381757 Valve device Feb. 26, 2013
8322372 Flow force reduction by incremental pressure drop Dec. 4, 2012
8297315 Throttle valve Oct. 30, 2012
8267180 Remotely controllable variable flow control configuration and method Sep. 18, 2012
8146884 High pressure control valve that allows for multiple pressure drops Apr. 3, 2012
8042572 Controllable pressure-reducing valve and device for the generation of pressure change signals Oct. 25, 2011
8033300 Fluid pressure reduction devices Oct. 11, 2011
7886772 Noise reducing fluid passageways for fluid flow control devices Feb. 15, 2011
7806134 Mixed water control valve having a water pressure balance function to stabilize a water temperature Oct. 5, 2010
7802589 Multirate tubing flow control valve Sep. 28, 2010
7802592 Fluid pressure reduction devices Sep. 28, 2010
7766041 Flow force reduction by incremental pressure drop Aug. 3, 2010
7766045 Fluid pressure reduction device for high pressure-drop ratios Aug. 3, 2010
7757711 Flow controller Jul. 20, 2010
7694693 Mixing valve for a contrast therapy system Apr. 13, 2010
7690400 Noise reducing fluid passageways for fluid control devices Apr. 6, 2010
7690396 Multirate tubing flow restrictor Apr. 6, 2010
7604021 Steam valve Oct. 20, 2009
7363941 Fluid control valve device Apr. 29, 2008
7284569 Steam valve Oct. 23, 2007
7273068 Electric driven, integrated metering and shutoff valve for fluid flow control Sep. 25, 2007
7185675 Reduced gain thrust control valve Mar. 6, 2007
7178782 Quiet opening ball valve Feb. 20, 2007
7152628 Anti-cavitation valve assembly Dec. 26, 2006
7146997 Regulator with flow diffuser Dec. 12, 2006
7131284 Automatic defrost controller including air damper control Nov. 7, 2006
7089961 Fluid energy reduction device Aug. 15, 2006
7000634 Adjustable valve for variable flows and a method for reducing flow through a valve Feb. 21, 2006
6994109 Fitting for measuring and regulating the flow rate of a hydraulic medium through a pipeline Feb. 7, 2006
6994277 Accessory for faucet Feb. 7, 2006

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