ClassID:

249230

Y10T137/7866 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type] Plural seating

Sub-classes:
Recent Application in this class:
#1
20240301956
2024-09-12

Valve assembly and system, method, and apparatus thereof

#2
20200191286
2020-06-18

Valve

#3
20200132153
2020-04-30

Damping valve for a vibration damper

#4
20170121953
2017-05-04

Waterless trap

#5
20160279376
2016-09-29

Valve for controlling a flow

#6
20160215588
2016-07-28

Valve and seat assembly for a high pressure pump

#7
20160153474
2016-06-02

Metering check valve

#8
20150219231
2015-08-06

Excess flow valve with flexible sealing member

#9
20150167860
2015-06-18

Check valve

#10
20140041739
2014-02-13

Dual disk check valve with slotted stop bar

#11
20130220456
2013-08-29

Safety fitting

#12
20130037278
2013-02-14

Differential dry pipe valve

#13
20130014827
2013-01-17

Rotary union utilizing vacuum extraction

#14
20120292057
2012-11-22

Fire Suppression Valve Improvements

#15
20120037730
2012-02-16

Variable flow screen nozzle

#16
20110041929
2011-02-24

Squeeze film damper valve for compressor cylinders

#17
20110005618
2011-01-13

Check valve

#18
20100294972
2010-11-25

One-way valve of variable capacity compressor for vehicle

#19
20100215522
2010-08-26

Check valve, fluid device, and pump

#20
20100078082
2010-04-01

Maple syrup production spout assembly with backflow check valve

#21
20100025613
2010-02-04

Microfluidic valve having free-floating member and method of fabrication

#22
20090230343
2009-09-17

Valve device and testing method

#23
20090120514
2009-05-14

Check valve having two seats

#24
20090044946
2009-02-19

Ball seat having fluid activated ball support

#25
20090008591
2009-01-08

Check valve

#26
20090000600
2009-01-01

Internal combustion engine flow regulating valve

#27
20080128026
2008-06-05

Dry pipe valve for fire protection sprinkler system

#28
20080041978
2008-02-21

Irrigation pipe

#29
20080035875
2008-02-14

Microfluidic valve having free-floating member and method of fabrication

#30
20070144586
2007-06-28

Valve provided with a passage for conveying a medium and an installation provided with such a valve

#31
20060096763
2006-05-11

Dry pipe valve for fire protection sprinkler system

#32
20060076064
2006-04-13

Valve assembly

#33
15132539
2016-08-30

Modular check valve system