Y10T137/7908 - CPC Classification Index

ClassID:

249270 ⎘

Y10T137/7908 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Reciprocating valves Weight biased

Sub-classes:

Y10T137/7909 » Valve body is the weight 24
Y10T137/7921 » Weight coaxial with valve 6

Recent Application in this class:

20230011486

2023-01-12

VALVE ASSEMBLIES AND RELATED METHODS FOR DEVIATED WELLS

20220381357

2022-12-01

Check valve having a spherical loading element

20170107711

2017-04-20

Powerless back-flow prevention apparatus

20160297296

2016-10-13

Draining device

20140069530

2014-03-13

Check valve

20130160875

2013-06-27

Plug valve with bowing rigid arms

20130112585

2013-05-09

Valve designed to indicate whether or not fluid is passing

20120273209

2012-11-01

WEGHTED PRESSURE RELIEF VALVE

20110056452

2011-03-10

Gravity-Activated Valve For Use In Supplying An Uninterrupted Supply Of Fluid

#10

20110011464

2011-01-20

Vent with improved seal

#11

20110005616

2011-01-13

Check valve

#12

20100229972

2010-09-16

Inertially activated ejection valve

#13

20100200087

2010-08-12

Self-sealing check valve