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Class Information
Number: 137/846
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
Description: Valve wherein the resilient body has a fluid passage therethrough a portion of which is substantially nondeformable, which passage terminates in an expansible port at the point where the fluid flows from the body.










Sub-classes under this class:

Class Number Class Name Patents
137/850 Internally extending mount 30
137/849 Multiple slit 90
137/848 Side vent 20
137/847 With biasing means 42


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8701928 Spout for a spill-proof beverage container Apr. 22, 2014
8690554 Diaphragm pump using duckbill and other types of valves Apr. 8, 2014
8672162 Power tool including a reservoir and a cap attached to the opening of the reservoir Mar. 18, 2014
8622090 Plumbing fitting Jan. 7, 2014
8590574 Gas stop structure capable of repeated inflation and deflation Nov. 26, 2013
8529523 Pressure actuated valve with improved biasing member Sep. 10, 2013
8522823 One-way check valve Sep. 3, 2013
8388337 Process and device for casting products intended for human consumption Mar. 5, 2013
8337470 Three-way valve for power injection in vascular access devices Dec. 25, 2012
8322378 I-beam check valve Dec. 4, 2012
8292262 Flow control valve Oct. 23, 2012
8276616 High pressure duckbill valve and insert Oct. 2, 2012
8141587 Duckbill type check valve with curved and resiliently biased closing seal Mar. 27, 2012
8069875 Ventilation member, ventilation member kit, and vented housing and vented tank using them Dec. 6, 2011
7992601 Air enclosure provided with cut hole type air lock valves and cut hole type air lock valve Aug. 9, 2011
7967797 Intravascular valve component with improved valve positioning Jun. 28, 2011
7921874 Flow variation valve assembly Apr. 12, 2011
7905243 No-drip check valves Mar. 15, 2011
7905074 Apparatus and method for the automated manufacture of self-sealing inflatable dunnage bags Mar. 15, 2011
7748385 Valved holding chamber for use with an aerosol medication delivery system Jul. 6, 2010
7727295 Decentralized oil mist collection system Jun. 1, 2010
7717129 Automatic stop cock valve May. 18, 2010
7533696 One-way medical valve apparatus May. 19, 2009
7530369 One-way elastomer valve May. 12, 2009
7509978 Non-return device Mar. 31, 2009
7476368 Method and device for deactivating items and for maintaining such items in a deactivated state Jan. 13, 2009
7445028 Check valves Nov. 4, 2008
7422034 Check valve Sep. 9, 2008
7395833 Check-valve for reduction of leakage caused by valve flapping Jul. 8, 2008
7249612 Mounting structure of an open/close valve in a sealed body Jul. 31, 2007
7243681 Check valve Jul. 17, 2007
7104279 Method and apparatus for preventing stagnation in fluid reservoirs Sep. 12, 2006
7044150 Combination vent/check valve assembly May. 16, 2006
7028981 Non-return valve Apr. 18, 2006
7028707 Valve for use with chest drainage system Apr. 18, 2006
6974539 Combination filter element support and anti-prefill valve Dec. 13, 2005
6953059 Check valve with hanger Oct. 11, 2005
6934989 Inflatable article Aug. 30, 2005
6892899 Passive syrup delivery system May. 17, 2005
6851448 Rotary connector with valve Feb. 8, 2005
6834677 Over-molded check valves for fluid delivery systems Dec. 28, 2004
6824117 Non-return valve Nov. 30, 2004
6766824 Fluid control valve and a feedback control system therefor Jul. 27, 2004
6766816 Collapsible dispensing system Jul. 27, 2004
6702255 H-shape duckbill hemostasis valve assembly including guide wire seal Mar. 9, 2004
6684903 Vacuum demand valve Feb. 3, 2004
6585005 Reinforced tide gate valve Jul. 1, 2003
6533254 Carburetor fuel pump Mar. 18, 2003
6527011 Flexible retainer ring for duck bill valve Mar. 4, 2003
6481464 Check valve Nov. 19, 2002

1 2 3 4










 
 
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