ClassID:

249277

Y10T137/7915 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Reciprocating valves; Weight biased; Valve body is the weight; Guided head Guide stem

Recent Application in this class:
#1
20250257722
2025-08-14

FLUID END

#2
20250207571
2025-06-26

FLUID END

#3
20180283372
2018-10-04

Fully-draining diaphragm pump and check valve assembly

#4
20170100577
2017-04-13

Flow based pressure isolation and fluid delivery system including flow based pressure isolation and flow initiating mechanism

#5
20160032919
2016-02-04

Fully-draining diaphragm pump and check valve assembly

#6
20150204452
2015-07-23

Check valve with improved sealing member

#7
20150105674
2015-04-16

Flow based pressure isolation and fluid delivery system including flow based pressure isolation and flow initiating mechanism

#8
20150068622
2015-03-12

Check valve for use with pumps controlled by variable frequency drives

#9
20140261790
2014-09-18

Poppet valve with integrated dampener

#10
20130015385
2013-01-17

Poppet valve with integrated dampener

#11
20120323119
2012-12-20

Flow based pressure isolation mechanism for a fluid delivery system

#12
20120073679
2012-03-29

Plug valve with an internal check valve

#13
20110011464
2011-01-20

Vent with improved seal

#14
20100076307
2010-03-25

Flow based pressure isolation mechanism for a fluid delivery system

#15
20080314460
2008-12-25

Air admittance vent diaphragm assembly

#16
20080230048
2008-09-25

System for heating liquid by solar radiation

#17
20080157019
2008-07-03

Oneway valve for automatically inflatable air cushion

#18
20080154214
2008-06-26

Flow Based Pressure Isolation and Fluid Delivery System Including Flow Based Pressure Isolation

#19
20080058720
2008-03-06

Flow based pressure isolation mechanism for a fluid delivery system

#20
20080017256
2008-01-24

Magnetic check valve

#21
20060191576
2006-08-31

Air admittance vent

#22
20060157118
2006-07-20

Air admittance vent diaphragm assembly

#23
20060144453
2006-07-06

Booster valve

#24
19077200
2025-06-24

Fluid end

#25
15714406
2019-10-15

Pressure regulating valve with multi-pronged piston assembly