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Class Information
Number: 137/843
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Resilient material valve
Description: Valve in which the valve member or the valve seat is made of resilient easily deformable material which yields in response to pressure to open the valve. The restoring force of the resilient material constitutes a major component of the biasing means.










Sub-classes under this class:

Class Number Class Name Patents
137/860 Annulus 87
137/851 Center flexing strip 19
137/844 Having expansible port 63
137/852 With valve member flexing about securement 98


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
8657254 Fluid release valve using flexible fluid permeable membrane Feb. 25, 2014
8640928 Closure assembly with valve and method for its manufacturing Feb. 4, 2014
8636901 Two part resilient combination bottom support and relief valve end seal assembly for fluid filters Jan. 28, 2014
8631801 Pressure regulating systems for expandable insertion devices Jan. 21, 2014
8622089 Check valve and storage body equipped therewith Jan. 7, 2014
8617277 Pressure regulation control assembly; crankcase ventilation filter assembly including pressure regulation control assembly; components; and, methods Dec. 31, 2013
8607819 Water saving device and method of using same Dec. 17, 2013
8590555 Low pressure measurement devices in high pressure environments Nov. 26, 2013
8555925 Pressure relief valve for a packaging container Oct. 15, 2013
8544490 Valve Oct. 1, 2013
8528591 Micro valve, method for producing a micro valve, as well as micro pump Sep. 10, 2013
8522823 One-way check valve Sep. 3, 2013
8360106 Curved pliant film valves Jan. 29, 2013
8356619 Non return valve and a proceeding to form a non return valve system to be fasten together inside a receptacle intended to contain air or liquid Jan. 22, 2013
8342203 Pressure relief valve Jan. 1, 2013
8291936 Non-return valve, in particular for medical uses Oct. 23, 2012
8162006 One-way valve for medical infusion lines and the like Apr. 24, 2012
8109285 Roll over vent valve Feb. 7, 2012
8100146 Flexible valve assemblies principally for automatic swimming pool cleaners Jan. 24, 2012
8092432 Outdwelling slit valves and assemblies for medical liquid flow through a cannula and related methods Jan. 10, 2012
8002975 Filtration device with a pressure-activated means for bypassing serial filter layers Aug. 23, 2011
7951121 Pressure actuated valve with improved slit configuration May. 31, 2011
7938144 Refueling valve for a fuel storage system and method therefor May. 10, 2011
7905246 Low pressure measurement devices in high pressure environments Mar. 15, 2011
7866626 Hydraulically controlled in-line valve apparatus Jan. 11, 2011
7845582 Spray gun reservoir with oversize, fast-fill opening Dec. 7, 2010
7828325 Air-bag and a method of controlling pressure within an air-bag Nov. 9, 2010
7743786 Irrigation system and shut-off control device therefor Jun. 29, 2010
7708031 Check valve May. 4, 2010
7673653 Check valve Mar. 9, 2010
7637283 Pressure relief valve with stiff support Dec. 29, 2009
7617837 Low pressure measurement devices in high pressure environments Nov. 17, 2009
7614425 Swimming pool cleaners and overmolded components thereof Nov. 10, 2009
7600525 Leak detection and isolation for segmented inflatable structures Oct. 13, 2009
7581559 Check valve for a fluid administration system Sep. 1, 2009
7533696 One-way medical valve apparatus May. 19, 2009
7530369 One-way elastomer valve May. 12, 2009
7455071 Hydraulic control valve for drip hoses Nov. 25, 2008
7438090 Booster valve Oct. 21, 2008
7422034 Check valve Sep. 9, 2008
7389788 Low pressure measurement devices in high pressure environments Jun. 24, 2008
7377286 Drain valve May. 27, 2008
7249612 Mounting structure of an open/close valve in a sealed body Jul. 31, 2007
7243681 Check valve Jul. 17, 2007
7237572 Check valve Jul. 3, 2007
7231938 Check valve for pump of electronically controlled brake system Jun. 19, 2007
7204380 Drinking vessel Apr. 17, 2007
7178555 Pressure relief valve Feb. 20, 2007
7147121 Valve for non-spill cup Dec. 12, 2006

1 2 3 4










 
 
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