ClassID:

129264

E03C1/104 - CPC Classification

Classification description:

Domestic plumbing installations for fresh water or waste water; Sinks; Plumbing installations for fresh water; Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using a single check valve

Recent Application in this class:
#1
20250369213
2025-12-04

REMOTE AIR GAP ASSEMBLIES

#2
20240011260
2024-01-11

Wireless communication system within a mechanical room

#3
20220056680
2022-02-24

Vacuum breaker valve with leak protection

#4
20210340742
2021-11-04

A BACKFLOW PREVENTER, A HOSE COUPLING OF A HYDRANT AND A HYDRANT

#5
20210230850
2021-07-29

Apparatus and method for valve cartridge extraction

#6
20210018220
2021-01-21

Overflow Protection And Monitoring Apparatus And Methods Of Installing Same

#7
20210010682
2021-01-14

Connector for a water system

#8
20200358852
2020-11-12

Wireless communication system within a mechanical room

#9
20200318329
2020-10-08

Sanitary insertion unit

#10
20200291624
2020-09-17

EMERGENCY BACKFLOW PREVENTING SYSTEM

#11
20200025300
2020-01-23

Accuracy enhancing valve assembly and method

#12
20190242103
2019-08-08

Toilet

#13
20190063051
2019-02-28

Spill-resistant vacuum breaker valve

#14
20180259222
2018-09-13

Overflow protection and monitoring apparatus and methods of installing same

#15
20180187788
2018-07-05

Accuracy enhancing valve assembly and method

#16
20180179746
2018-06-28

Bidet and backflow preventing member therefor

#17
20180112380
2018-04-26

Insert part having a water-channeling cartridge housing

#18
20180094410
2018-04-05

Nonreturn device for a pipe for carrying a fluid

#19
20170145672
2017-05-25

Vacuum breaker

#20
20160360935
2016-12-15

Global backflow prevention assembly

#21
20160208468
2016-07-21

Compact air stop valve for aircraft galley plumbing system

#22
20160083944
2016-03-24

Sanitary insertion unit and shower fitting having a sanitary insertion unit

#23
20150233096
2015-08-20

Valve member assembly

#24
20140137949
2014-05-22

Backflow preventer valve

#25
20130312844
2013-11-28

Compact air stop valve for aircraft galley plumbing system

#26
20130228241
2013-09-05

Check valve system for managing fluids

#27
20130168579
2013-07-04

FLUID REGULATING VALVE

#28
20130087637
2013-04-11

Sanitary insertion unit and shower fitting having a sanitary insertion unit

#29
20130042924
2013-02-21

Fire hydrant security integrated flow control/backflow preventer insert valve

#30
20120103436
2012-05-03

Two-handle Type Faucet Having a double Anti-reverse function to prevent waste materials from flowing backward into the faucet when disaster happens

#31
20120006422
2012-01-12

Anti-backflow vacuum breaker valve

#32
20110248201
2011-10-13

Tube coupling device having check valve

#33
20110005618
2011-01-13

Check valve

#34
20100257916
2010-10-14

ACCURACY ENHANCING VALVE ASSEMBLY AND RELATED METHOD OF USE

#35
20090229675
2009-09-17

IN-LINE FILTER/FLOW REGULATOR/ANTI-SIPHON DEVICE

#36
20090223574
2009-09-10

Backflow preventer valve

#37
20090095361
2009-04-16

Control value unit for faucet assembly with hot and cold water provided

#38
20090038136
2009-02-12

Water valve snap fit retention for a vacuum break

#39
20080237375
2008-10-02

Connecting tube structure

#40
20080217432
2008-09-11

SEALING CONNECTION ASSEMBLY FOR A HANDHELD SHOWERHEAD ASSEMBLY

#41
20080210310
2008-09-04

Sanitary installation part

#42
20080149180
2008-06-26

METHOD OF ASSOCIATING A WATER UTILITY SERVICE LINE TO A CUSTOMER SERVICE LINE

#43
20080029161
2008-02-07

Backflow preventer valve

#44
20070295404
2007-12-27

Siphon and backflow resistant valve

#45
20070113900
2007-05-24

Automatic shutoff valve

#46
20060226384
2006-10-12

Water valve snap fit retention for a vacuum break

#47
20060196561
2006-09-07

Wall hydrant having backflow preventor

#48
20060196555
2006-09-07

Control stop

#49
20060196542
2006-09-07

Vacuum breaker

#50
20060118172
2006-06-08

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

#51
20060102235
2006-05-18

Integratable sanitary part

#52
20060060248
2006-03-23

Sanitary fitting

#53
20060016479
2006-01-26

Backflow prevention valve

#54
15480642
2018-11-13

Apparatus, systems and methods for managing fluids

#55
15357997
2018-02-20

Anti-siphon valve with freeze protection

#56
15141340
2017-10-03

Apparatuses and systems for regulating fluids through a pipe and methods of using the same

#57
14866333
2017-05-09

Apparatuses for managing fluids through a pipe

#58
14679092
2016-08-02

Fluid control apparatus, systems and methods

#59
14507716
2016-11-29

Anti-siphon valve with freeze protection

#60
14336470
2016-04-19

Valve apparatus for regulating fluids through a pipe