ClassID:

249271

Y10T137/7909 - 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

Sub-classes:
Recent Application in this class:
#1
20180283372
2018-10-04

Fully-draining diaphragm pump and check valve assembly

#2
20170299076
2017-10-19

Vehicle tank pressurization device

#3
20170107711
2017-04-20

Powerless back-flow prevention apparatus

#4
20160032920
2016-02-04

Check valve with improved response time

#5
20160032919
2016-02-04

Fully-draining diaphragm pump and check valve assembly

#6
20140069530
2014-03-13

Check valve

#7
20130213497
2013-08-22

Control valve

#8
20120305099
2012-12-06

Liquid discriminating vent valve

#9
20120133714
2012-05-31

Check valve unit for solid ink reservoir system

#10
20120103983
2012-05-03

Pressure relief valve

#11
20120073679
2012-03-29

Plug valve with an internal check valve

#12
20110036436
2011-02-17

Water conducting household appliance

#13
20100294371
2010-11-25

Gravity operated valve

#14
20100236640
2010-09-23

Liquid discriminating vent valve

#15
20100020144
2010-01-28

Check valve unit for solid ink reservoir system

#16
20080236681
2008-10-02

Poppet valve

#17
20080099083
2008-05-01

Drain trap

#18
20080097359
2008-04-24

ATOMIZER FOR APPLYING LIQUIDS ONTO EYES

#19
20070204918
2007-09-06

Pressure relief valve

#20
20060285987
2006-12-21

Device for Producing High Pressure in a Fluid in Miniature

#21
20060258993
2006-11-16

Atomizer for applying liquids onto eyes

#22
20060144445
2006-07-06

Pressure regulator apparatus

#23
20050252990
2005-11-17

Device for producing high pressure in a fluid in miniature

#24
20050016589
2005-01-27

One-directional microball valve for a microfluidic device

#25
16917083
2022-06-07

Valve seat insert system and method