ClassID:

249287

Y10T137/7931 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Reciprocating valves; Spring biased; Spring coaxial with valve Spring in inlet

Recent Application in this class:
#1
20230151897
2023-05-18

Fuel nozzle with reduced flow tolerance

#2
20210164577
2021-06-03

Fuel nozzle with reduced flow tolerance

#3
20200362975
2020-11-19

Valve assembly for a fluid end with limited access

#4
20170368903
2017-12-28

Contaminant resistant charge valve

#5
20170356716
2017-12-14

Gas valve with triggered release feature

#6
20150316007
2015-11-05

Tank pressure control solenoid with passive tank vacuum

#7
20150252909
2015-09-10

Low head to stem ratio poppet valve

#8
20150226345
2015-08-13

Overpressure valve in the form of a check valve

#9
20140264105
2014-09-18

Method of draining an enclosure using a smart valve

#10
20140251465
2014-09-11

Tip-resistant valve plugs

#11
20130193748
2013-08-01

Check valve and braking system using the same

#12
20120261006
2012-10-18

Air admittance vent

#13
20120042969
2012-02-23

Tip-resistant valve plugs

#14
20110120418
2011-05-26

Fuel pump head having an external chamber

#15
20110107768
2011-05-12

Variable performance valve of a fuel nozzle for a turbine engine

#16
20100288958
2010-11-18

Suction valve

#17
20090301584
2009-12-10

Low pressure relief valve and method of manufacturing same

#18
20090194718
2009-08-06

Method and apparatus for a smart valve

#19
20090028729
2009-01-29

Metering pump assembly

#20
20080149103
2008-06-26

Fluid flow control valve

#21
20080063319
2008-03-13

Spout assembly and method of manufacturing packaging bag provided with spout assembly

#22
20080023947
2008-01-31

Apparatus and method for providing extended inflator output

#23
20070157972
2007-07-12

One way check valve for a fire hydrant water meter

#24
20070095405
2007-05-03

Check valve

#25
20060076062
2006-04-13

Backflow preventer

#26
20060060252
2006-03-23

Fluid flow control valve

#27
20050139267
2005-06-30

Valve device having solid engaging structure

#28
20050103386
2005-05-19

Check valve

#29
20050000571
2005-01-06

Suction valve

#30
17130834
2022-01-18

Fluid control valve with mechanical switch

#31
15714406
2019-10-15

Pressure regulating valve with multi-pronged piston assembly