ClassID:

248733

Y10T137/3294 - CPC Classification

Classification description:

Fluid handling; Back flow prevention by vacuum breaking [e.g., anti-siphon devices]; Air vent in liquid flow line Valved

Sub-classes:
Recent Application in this class:
#1
20240353045
2024-10-24

Vacuum breaker valve

#2
20200325662
2020-10-15

Mixing hydrant

#3
20180202133
2018-07-19

Anti-freezing water valve with optional anti-siphon assembly and water-valve accessories

#4
20180106279
2018-04-19

Waste water air stop valve

#5
20170145672
2017-05-25

Vacuum breaker

#6
20160208468
2016-07-21

Compact air stop valve for aircraft galley plumbing system

#7
20150233096
2015-08-20

Valve member assembly

#8
20140137949
2014-05-22

Backflow preventer valve

#9
20130312844
2013-11-28

Compact air stop valve for aircraft galley plumbing system

#10
20120305100
2012-12-06

Check valve flap for fluid injector

#11
20120006422
2012-01-12

Anti-backflow vacuum breaker valve

#12
20110308632
2011-12-22

Closing and sealing means for air admittance valves in sanitary waste water pipe systems

#13
20110248201
2011-10-13

Tube coupling device having check valve

#14
20110232774
2011-09-29

Mixing eductor

#15
20110000557
2011-01-06

Check vacuum breaking device for a tap

#16
20100043890
2010-02-25

Anti-siphon device for a flush valve

#17
20090151793
2009-06-18

Method and apparatus for the disposal of waste fluids

#18
20090071551
2009-03-19

Living-hinge air vent valve

#19
20090065067
2009-03-12

Check valve flap for fluid injector

#20
20080296891
2008-12-04

Hose connector with adjustable ambient air inlets

#21
20080289696
2008-11-27

Check valve for fluid injector

#22
20080223448
2008-09-18

Mixing eductor

#23
20080029164
2008-02-07

Vacuum relief unit and method for a pool

#24
20080029161
2008-02-07

Backflow preventer valve

#25
20080029160
2008-02-07

Vacuum breaking device

#26
20070246031
2007-10-25

Methods and apparatus for an on-off controller

#27
20070240764
2007-10-18

Freeze safe valve

#28
20070235082
2007-10-11

Methods and apparatus for an on-off controller

#29
20070194153
2007-08-23

Anti-clogging showerhead device

#30
20070028980
2007-02-08

Mixing eductor

#31
20060260684
2006-11-23

Backflow preventer

#32
20060162713
2006-07-27

Methods and apparatus for an on-off controller

#33
20060118172
2006-06-08

One-way valve having vacuum breaking and flow-guiding functions

#34
20050183780
2005-08-25

Method and apparatus for the disposal of waste fluids

#35
17184680
2022-01-25

Integrated one way valve