ClassID:

249240

Y10T137/7877 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; With external means for opposing bias With means for retaining external means in bias opposing position

Recent Application in this class:
#1
20250297688
2025-09-25

HYDRAULIC FLUID RELEASE VALVE ASSEMBLIES

#2
20250198519
2025-06-19

PNEUMATIC VALVE

#3
20200011450
2020-01-09

Aviation valve with status indicator

#4
20160230906
2016-08-11

Vacuum valve

#5
20130306333
2013-11-21

Dry pipe valve and system

#6
20110226818
2011-09-22

Check valve and shut-off reset device for liquid delivery systems

#7
20110108140
2011-05-12

Latching check valve

#8
20100043901
2010-02-25

Hydraulic apparatus having an axially actuatable bypass valve

#9
20090255592
2009-10-15

Reverse action flow activated shut-off valve

#10
20090223576
2009-09-10

Check valve

#11
20090215001
2009-08-27

Hot air blower

#12
20090212249
2009-08-27

Bleeding screw having a kick-back valve

#13
20090071550
2009-03-19

IN-LINE ADJUSTABLE REGULATORS

#14
20090056816
2009-03-05

Check valve and shut-off reset device for liquid delivery systems

#15
20080223449
2008-09-18

VALVE FOR AN INFLATABLE PRODUCT

#16
20080190404
2008-08-14

Internal combustion engine having exhaust gas recirculation

#17
20080128026
2008-06-05

Dry pipe valve for fire protection sprinkler system

#18
20080054204
2008-03-06

Pressure relief valve

#19
20060237680
2006-10-26

Butterfly valve with integral split flapper relief valve

#20
20060216174
2006-09-28

Pulsation causing valve for a plural piston pump

#21
20060199525
2006-09-07

Adjustable damper assembly

#22
20060169935
2006-08-03

Valve device

#23
20060130902
2006-06-22

Pulsation causing valve for a plural piston pump

#24
20060096763
2006-05-11

Dry pipe valve for fire protection sprinkler system

#25
20050224231
2005-10-13

Flow switchable check valve and method