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Class Information
Number: 137/512.1
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Plural > Dividing and recombining in a single flow path
Description: Devices in which the valves are arranged in a single flow path and divide the flow into parallel paths which recombine after passing through the valves.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7568498 |
Engineered composite quiet check valve |
Aug. 4, 2009 |
| 7565978 |
Vacuum packaging bags equipped with deflating device and deflating cylinders for use thereof |
Jul. 28, 2009 |
| 7562669 |
Check valve stop assembly and method of retention |
Jul. 21, 2009 |
| 7540301 |
Compressor valve |
Jun. 2, 2009 |
| 7527069 |
Electromagnetic split flapper pressure relief valve |
May. 5, 2009 |
| 7517280 |
Air duct assembly for a vehicle |
Apr. 14, 2009 |
| 7493770 |
Methods and apparatus for regulating airflow supply systems |
Feb. 24, 2009 |
| 7428914 |
Flow control valve |
Sep. 30, 2008 |
| 7422029 |
Linear damper for check valve |
Sep. 9, 2008 |
| 7370668 |
Valve for winterizing a pool |
May. 13, 2008 |
| 7325569 |
Butterfly valve with integral split flapper relief valve |
Feb. 5, 2008 |
| 7311740 |
Snap acting split flapper valve |
Dec. 25, 2007 |
| 7302967 |
Reverse flow preventing device and electronic apparatus |
Dec. 4, 2007 |
| 7302962 |
Vehicle pressure relief valve having peripherally secured flaps and method of manufacturing the same |
Dec. 4, 2007 |
| 7251948 |
Pressure equalizer of compressor of air conditioner |
Aug. 7, 2007 |
| 7225830 |
Fluid control valve |
Jun. 5, 2007 |
| 7219690 |
Flow control valve |
May. 22, 2007 |
| 7191796 |
Dual outlet air valve |
Mar. 20, 2007 |
| 7143783 |
Fuel tank cap safety valve with splash control and overpressure release |
Dec. 5, 2006 |
| 7128091 |
Sexless coupling for fire hydrant-fire hose connection |
Oct. 31, 2006 |
| 7114518 |
Flow regulating valve |
Oct. 3, 2006 |
| 7059344 |
Discharge valve mechanism for variable displacement compressor |
Jun. 13, 2006 |
| 7028709 |
One-way valve with poppet member |
Apr. 18, 2006 |
| 7025086 |
Reverse flow preventing device and electronic apparatus |
Apr. 11, 2006 |
| 6969314 |
Air exhauster invention |
Nov. 29, 2005 |
| 6959726 |
Valve assembly for attenuating bounce of hydraulically driven members of a machine |
Nov. 1, 2005 |
| 6932109 |
Scavenger valve assembly |
Aug. 23, 2005 |
| 6901953 |
Fuel metering device for a turbomachine injector |
Jun. 7, 2005 |
| 6880577 |
Reed valve assembly |
Apr. 19, 2005 |
| 6877524 |
Valve for winterizing a pool |
Apr. 12, 2005 |
| 6871664 |
Valve flange connection |
Mar. 29, 2005 |
| 6837784 |
Ventilation device |
Jan. 4, 2005 |
| 6834677 |
Over-molded check valves for fluid delivery systems |
Dec. 28, 2004 |
| 6820644 |
Delivery valve device for refrigerant fluid compressor |
Nov. 23, 2004 |
| 6817846 |
Gas compressor and method with improved valve assemblies |
Nov. 16, 2004 |
| 6802331 |
Particle-based check valve |
Oct. 12, 2004 |
| 6796327 |
Check valve with multiple doors |
Sep. 28, 2004 |
| 6796321 |
Pressure relief valve |
Sep. 28, 2004 |
| 6767193 |
Piston type compressor |
Jul. 27, 2004 |
| 6634379 |
Switching valve with flow direction-dependent cross-section |
Oct. 21, 2003 |
| 6616404 |
Ventilation fan |
Sep. 9, 2003 |
| 6581632 |
Automatic valve |
Jun. 24, 2003 |
| 6539974 |
Valve with guide extensions for valve plate |
Apr. 1, 2003 |
| 6530395 |
Check valve arrangement |
Mar. 11, 2003 |
| 6442936 |
Single stage or multi-stage compressor for a turbocharger |
Sep. 3, 2002 |
| 6432135 |
Torsion heart valve |
Aug. 13, 2002 |
| 6428292 |
Discharge valve |
Aug. 6, 2002 |
| 6409591 |
Automotive vehicle exhauster vent |
Jun. 25, 2002 |
| 6273463 |
Airbag vent valve and system |
Aug. 14, 2001 |
| 6270483 |
Liquid discharge regulator and liquid feeder equipped with the same |
Aug. 7, 2001 |
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