Patents-Review.com
ClassID:

129315 ⎘

E03C1/298 - CPC Classification

Classification description:

Domestic plumbing installations for fresh water or waste water; Sinks; Plumbing installations for waste water; Basins or fountains connected thereto ; Sinks; Odour seals consisting only of non-return valve

Recent Application in this class:
#1
20250034852
2025-01-30

SEALING DEVICE HAVING POSITIVE AND NEGATIVE PRESSURE RESISTANT WATER SEAL PROTECTION FUNCTION

 #2
20240026668
2024-01-25

DRAIN PIPE CONNECTOR SYSTEM

 #3
20230392360
2023-12-07

AN IMPROVED DUCKBILL TYPE VALVE

 #4
20230323647
2023-10-12

Insert

 #5
20220049482
2022-02-17

VALVE DEVICE

 #6
20210388589
2021-12-16

Drain pipe connector system

 #7
20210222411
2021-07-22

Outlet valve in a waterless urinal for avoiding the return of foul odors from the drainage

 #8
20210101158
2021-04-08

Skirt Valve for Kitchen Sink, and Method of Disposing of Food

 #9
20210054607
2021-02-25

DRAIN TRAP

 #10
20200399879
2020-12-24

Check valve and a method for controlling a flow of fluid by fluid pressure

 #11
20200325667
2020-10-15

Reslient fluid control valve above drainage plane

 #12
20200325666
2020-10-15

One way Valve For Water Fixture

 #13
20200173154
2020-06-04

Sink Strainer Basket with Odor Prevention Arrangement

 #14
20200063427
2020-02-27

Hybrid trap with water injection

 #15
20190136495
2019-05-09

Way out valve for urinals with double little ball

 #16
20190106871
2019-04-11

Skirt valve for kitchen sink, and method of disposing of food

 #17
20190003167
2019-01-03

NON-RETURN VALVE

 #18
20180328016
2018-11-15

WAY OUT VALVE FOR URINALS WITH A MORE EFFICIENT SEAL

 #19
20180291605
2018-10-11

ODOR TRAP MECHANISMS AND SELF CLEANING URINAL SYSTEMS

 #20
20180163880
2018-06-14

Gravity Drain Valve

 #21
20180142452
2018-05-24

Valvular device

 #22
20180087249
2018-03-29

Self-adjustable gas isolator

 #23
20170260725
2017-09-14

Valve

 #24
20170248242
2017-08-31

Check valve

 #25
20170241115
2017-08-24

VALVE INSERT

 #26
20170233991
2017-08-17

Floor Drain Gas Stopper

 #27
20170198469
2017-07-13

Mechanical valve for waterless urinal

 #28
20170183860
2017-06-29

Backflow prevention apparatus

 #29
20170122445
2017-05-04

Gravity drain valve

 #30
20170121953
2017-05-04

Waterless trap

 #31
20160333559
2016-11-17

Plumbing device

 #32
20160273666
2016-09-22

MECHANICAL VALVE FOR A WATERLESS URINAL

 #33
20160201309
2016-07-14

Odor trap device

 #34
20160090722
2016-03-31

Drainage fitting

 #35
20150300511
2015-10-22

Gravity drain valve

 #36
20150074892
2015-03-19

SIPHON, PARTICULARLY AN ODOUR TRAP FOR A URINAL, A FLOOR DRAIN AND/OR A SHOWER TRAY OR THE LIKE

 #37
20150060338
2015-03-05

Compact plumbing system drain strainer for a galley

 #38
20140352047
2014-12-04

Hybrid trap with water injection

 #39
20140259348
2014-09-18

Fixture drain insert assembly

 #40
20140230903
2014-08-21

Apparatus and method for blocking sewer gas

 #41
20140150171
2014-06-05

Urinal, and method for replacing an odor seal of a urinal

 #42
20140130899
2014-05-15

Outlet for a sanitary unit

 #43
20140053923
2014-02-27

Apparatus and Methods for Limiting or Preventing Backflow of Gas up Through a Plumbing Fixture

 #44
20130032746
2013-02-07

GASKET STRUCTURE FOR FLOOR DRAIN VALVES

 #45
20130015388
2013-01-17

Valve for integrating into a sanitary appliance

 #46
20130000766
2013-01-03

Non-return device

 #47
20120240323
2012-09-27

Toilet stool using cyclone type sewage purifier

 #48
20120192950
2012-08-02

Floor drain valve with resiliently mounted rigid flappers

 #49
20120167295
2012-07-05

Drain valve core

 #50
20120117721
2012-05-17

Closure device for drain pipeline

 #51
20120079653
2012-04-05

APPARATUS FOR PREVENTING OFFENSIVE ODORS FOR A DRAIN

 #52
20120047646
2012-03-01

Drain device

 #53
20110252552
2011-10-20

CARTRIDGE APPARATUS FOR URINAL

 #54
20110220211
2011-09-15

Plumbing fitting

 #55
20110219528
2011-09-15

Cartridge unit and trap for sewer gas and odor containment

 #56
20110203048
2011-08-25

Drain Cartridge Having Removable Valved System

 #57
20110030132
2011-02-10

MULTI-FUNCTION CLEANOUT PLUG AND METHOD OF USE

 #58
20110010833
2011-01-20

Drain cartridge having removable valved system

 #59
20100269913
2010-10-28

Gravity-assisted drain valve for restricting intake of mildew spores

 #60
20100243074
2010-09-30

Odour trap

 #61
20100242162
2010-09-30

Toilet Stool Using Cyclone Type Sewage Purifier

 #62
20100219293
2010-09-02

Odour seal for a vacuum toilet drain system

 #63
20100205725
2010-08-19

Urinal apparatus

 #64
20100192295
2010-08-05

Drain Cartridge Having Removable Valved System

 #65
20100018593
2010-01-28

CHECK VALVE MECHANISM FOR RODENTS AND/OR ODORS

 #66
20080072967
2008-03-27

Self-sealing floor drain

 #67
20070257218
2007-11-08

Backflow-Preventer

 #68
20070215216
2007-09-20

CHECK VALVE MECHANISM FOR RODENTS AND/OR ODORS

 #69
20070174960
2007-08-02

Odor control apparatus for drains

 #70
20070157982
2007-07-12

Check valve

 #71
20070138327
2007-06-21

Waste line connector assembly

 #72
20060207005
2006-09-21

Cartridge apparatus for urinal

 #73
20050263195
2005-12-01

Check valve

 #74
20050257315
2005-11-24

Bugproof and odorproof sealing ring structure of a sinkhole screen

 #75
20050188452
2005-09-01

Backflow preventing attachment for toilets

 #76
15648758
2018-09-25

Check valve floor drain

 #77
14683688
2016-07-19

Floor drain sealing valve