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Class Information
Number: 137/534
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Weight biased > Weight coaxial with valve
Description: Valves in which the weight is coaxial with the valve disc or plug.










Patents under this class:

Patent Number Title Of Patent Date Issued
8573248 Pneumatic vibration dampening device Nov. 5, 2013
8342168 System for heating liquid by solar radiation Jan. 1, 2013
7032575 Valve assembly for a fuel pump module Apr. 25, 2006
6823893 Non-return valve Nov. 30, 2004
RE37989 Pressure relief valve for pressure equalization between a closed space and the surrounding atmosphere Feb. 18, 2003
6263907 Valve device of a storage tank for transporting oils or chemical compounds Jul. 24, 2001
6123102 High pressure shut-off valve Sep. 26, 2000
5873384 Pressure relief valve for pressure equalization between a closed space and the surrounding atmosphere Feb. 23, 1999
5520209 Fluid relief device May. 28, 1996
5507311 Pressure regulator for a pressure cooker Apr. 16, 1996
5392811 High pressure fuel system valve Feb. 28, 1995
5236010 Weight controlled valve Aug. 17, 1993
4799508 Pressure regulating valve for presure cooker Jan. 24, 1989
4741325 Operating valve for a pressure cooker May. 3, 1988
4595033 Low pressure high temperature safety valve Jun. 17, 1986
4566485 Free-floating neutrally-buoyant reciprocating pump valve for abrasive fluids Jan. 28, 1986
4560143 Pressure cooker relief valve assembly Dec. 24, 1985
4417861 Cell culture pumping system Nov. 29, 1983
4406860 Microwave canning apparatus Sep. 27, 1983
4308887 Gas damper Jan. 5, 1982
4245668 Pressure regulator Jan. 20, 1981
4160462 Adjustable relief valves and pressure cookers incorporating such valves Jul. 10, 1979
3949781 Exhaust valve Apr. 13, 1976











 
 
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