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Class Information
Number: 137/329.3
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Removable valve with normally disabled supplemental check valve > Check valve disabled by normally movable main valve part > Ball check
Description: Devices in which the check valve is of the ball-check type.

Patents under this class:

Patent Number Title Of Patent Date Issued
7670126 Valve for controlling air flow in a molded article holder Mar. 2, 2010
7077157 Spring-loaded pressure relief valve, particularly for containers of pressurized fluids Jul. 18, 2006
7040341 Gas plug connector May. 9, 2006
5992472 Pneumatic valve device for a thread-feeding machine and a thread-feeding machine Nov. 30, 1999
5878775 Toilet valve assembly Mar. 9, 1999
5538690 Air quality indicator system for breathing air supplies Jul. 23, 1996
5538690 Air quality indicator system for breathing air supplies Jul. 23, 1996
5327930 Nuclear reactor locking piston drive system and valve assembly Jul. 12, 1994
5131429 Fluid injector assembly Jul. 21, 1992
5022423 Safety valve Jun. 11, 1991
H438 Fluid tank sounding tube check valve Mar. 1, 1988
4606367 Apparatus and method for relieving pressure within a high pressure tank Aug. 19, 1986
4562852 Safety valve Jan. 7, 1986
4562856 Connector assembly for a gas Jan. 7, 1986
4527587 Connector assembly for a gas Jul. 9, 1985
4276899 Faucets Jul. 7, 1981
4084611 Single-handle mixing valve Apr. 18, 1978

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