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Class Information
Number: 137/849
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Resilient material valve > Having expansible port > Having exit lip > Multiple slit
Description: Valve wherein the expansible port is formed as a plurality of cuts in the resilient body.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8662104 Slot valve for use in the pneumatic switching circuit of a respirator Mar. 4, 2014
8585393 Device for casting edible products Nov. 19, 2013
8568130 Casting machine and casting machine valve Oct. 29, 2013
8388337 Process and device for casting products intended for human consumption Mar. 5, 2013
8365967 Pressure-activated valve Feb. 5, 2013
8322378 I-beam check valve Dec. 4, 2012
8286656 Implantable counterpulsation cardiac assist device Oct. 16, 2012
7766044 Two-way damper Aug. 3, 2010
7637893 Valved sheath introducer for venous cannulation Dec. 29, 2009
7445028 Check valves Nov. 4, 2008
7371227 Trocar seal assembly May. 13, 2008
7237619 Automatic fire sprinkler having a variable orifice Jul. 3, 2007
7037303 Urinary flow control valve May. 2, 2006
6918526 Muffler for staple guns Jul. 19, 2005
6874999 Micropumps with passive check valves Apr. 5, 2005
6854484 Valve for a slurry outlet opening of a chemical mechanical polishing device and chemical mechanical polishing device having a valve Feb. 15, 2005
6569120 Seal assembly May. 27, 2003
6554698 Fan one way air valve Apr. 29, 2003
6540616 Venting device for a constant velocity joint Apr. 1, 2003
6457613 Container equipped with protective seal Oct. 1, 2002
6453940 Insert bonded combination valve Sep. 24, 2002
6450563 Noise shut-off device for doors of automotive vehicle Sep. 17, 2002
6382255 Check valves May. 7, 2002
6378559 Discharge outlet control Apr. 30, 2002
6273128 Apparatus for controlling the flow of fluid Aug. 14, 2001
6227464 In-line basket filter and anti-siphon valve assembly for spray spout and the like May. 8, 2001
6216722 Freeze-resistant hydrant Apr. 17, 2001
6176234 Mouthpiece for a nebulizer Jan. 23, 2001
6148860 Low volume vacuum toilet assembly Nov. 21, 2000
6138710 Vent disc for baby bottle and method and apparatus for manufacture thereof Oct. 31, 2000
6119713 Apparatus to prevent rapid multiple flushing Sep. 19, 2000
6112952 Valved dispensing system with hydraulic hammer protection for the valve Sep. 5, 2000
6099505 Valve assembly with automatic valve Aug. 8, 2000
6066117 Cannula flapper valve assembly May. 23, 2000
6035896 Valve Mar. 14, 2000
6026993 Pump and pump outlet nozzle Feb. 22, 2000
5890959 High efficiency blower system with integral backflow preventor Apr. 6, 1999
5873297 Fluid-operated brake actuator with check valve Feb. 23, 1999
5871471 Disposable value assembly for reusable surgical trocar Feb. 16, 1999
5820604 Cannula cap including yeildable outer seal and flapper valve Oct. 13, 1998
5803121 Air bag venting system Sep. 8, 1998
5794661 Tank isolation valve Aug. 18, 1998
5730336 Dispensing valve for a flexible liquid container Mar. 24, 1998
5709309 Orifice drain stop Jan. 20, 1998
5634229 Swiming pool cleaner Jun. 3, 1997
5592966 Back-flow preventer Jan. 14, 1997
5549565 Reusable surgical trocar with disposable valve assembly Aug. 27, 1996
5503186 One-way valve panel Apr. 2, 1996
5460615 Trocar sleeve Oct. 24, 1995
5453097 Control of fluid flow Sep. 26, 1995

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