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Class Information
Number: 137/850
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 > Internally extending mount
Description: Valve wherein the nondeformable portion of the passage has a rigid tubular supporting element inserted therein.










Patents under this class:

Patent Number Title Of Patent Date Issued
8690554 Diaphragm pump using duckbill and other types of valves Apr. 8, 2014
8276616 High pressure duckbill valve and insert Oct. 2, 2012
8024922 Reductant delivery unit for selective catalytic reduction Sep. 27, 2011
7509978 Non-return device Mar. 31, 2009
7267686 Implantable prosthetic valve Sep. 11, 2007
6745763 Vaporizing device for administering sterile medication Jun. 8, 2004
6719004 Check valve floor drain Apr. 13, 2004
6585005 Reinforced tide gate valve Jul. 1, 2003
6367505 Check valve with oversized bill Apr. 9, 2002
6283137 Siphon assembly with one way priming valve Sep. 4, 2001
6044859 Valve apparatus and method Apr. 4, 2000
5830780 Self-closing valve structure Nov. 3, 1998
5727593 Tide gate valve with curvilinear bill Mar. 17, 1998
5606995 Inversion-resistant, readily openable tide gate valve Mar. 4, 1997
5102054 Airblast fuel injector with tubular metering valve Apr. 7, 1992
5027823 Gas flow valve, and automatic sphygmomanometer using same Jul. 2, 1991
4993452 Low pressure check valve Feb. 19, 1991
4938417 Airblast fuel injector with tubular metering valve Jul. 3, 1990
4917646 Self-sealing valve, a self-sealing, non-latex balloon, and a method for producing such a balloon Apr. 17, 1990
4765588 Check valve for use with a syringe Aug. 23, 1988
4612960 Valve assembly Sep. 23, 1986
4607663 Inversion-resistant, readily-openable tide gate valve Aug. 26, 1986
4585031 Inversion-resistant tide gate valve Apr. 29, 1986
4566493 Valve assembly Jan. 28, 1986
4535818 Valve assembly Aug. 20, 1985
4501374 Hazardous fluid tank with check valve Feb. 26, 1985
4473094 Air inlet Sep. 25, 1984
4420040 Ball catcher Dec. 13, 1983
4386718 Liquid dispensing means with novel air bleed valve Jun. 7, 1983
4357958 Non-return valves Nov. 9, 1982











 
 
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