with valves kept in open position by means of air or water pressure or by vacuum

Industry

CPC
E03D1/302

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Parent Industries

EFIXED CONSTRUCTIONS E03Water supply, sewage E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES FLUSHING VALVES THEREFOR E03D1/00Water flushing devices with cisterns; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices

Current Industry

E03D1/302with valves kept in open position by means of air or water pressure or by vacuum

Industries

Patents Grantslast 30 patents

Information Patent Grant
Pneumatic valve control device
- Patent number 12,152,380
- Issue date Nov 26, 2024
- Kohler (China) Investment Co., Ltd.
- Bin Guo
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Flush water tank apparatus and flush toilet apparatus provided with...
- Patent number 12,037,779
- Issue date Jul 16, 2024
- Toto Ltd.
- Akihiro Shimuta
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Air release valve and air pressure driven toilet water tank drain v...
- Patent number 12,024,869
- Issue date Jul 2, 2024
- LAB (XIAMEN) SANITARY FITTINGS INC.
- Zipeng Zhang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Pneumatic valve control device
- Patent number 11,873,630
- Issue date Jan 16, 2024
- Kohler (China) Investment Co., Ltd.
- Bin Guo
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Pressure flushing system and toilet
- Patent number 11,773,576
- Issue date Oct 3, 2023
- Bingxing Huang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Siphon activated valve
- Patent number 11,434,631
- Issue date Sep 6, 2022
- Fluidmaster, Inc.
- Tuan Le
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Discharge valve system and method
- Patent number 11,391,391
- Issue date Jul 19, 2022
- Fluidmaster, Inc.
- Tuan Le
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Drain fitting for a toilet cistern
- Patent number 10,851,531
- Issue date Dec 1, 2020
- GROHEDAL Sanitaersysteme GmbH
- Juergen Burkhardt
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Siphon activated valve
- Patent number 10,774,512
- Issue date Sep 15, 2020
- Fluidmaster, Inc.
- Tuan Le
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Discharge valve system and method
- Patent number 10,767,766
- Issue date Sep 8, 2020
- Fluidmaster, Inc.
- Tuan Le
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Vacuum operated valve
- Patent number 10,704,244
- Issue date Jul 7, 2020
- Fluidmaster, Inc.
- Tuan Le
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Flow diverter with antisiphon
- Patent number 10,676,905
- Issue date Jun 9, 2020
- Fluidmaster, Inc.
- Tuan Le
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Flow diverter with antisipohon
- Patent number 10,316,502
- Issue date Jun 11, 2019
- Fluidmaster, Inc.
- Tuan Le
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Flow diverter with antisiphon
- Patent number 10,119,259
- Issue date Nov 6, 2018
- Fluidmaster, Inc.
- Tuan Le
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Double flow control mechanism of a soft touch drain valve and a dou...
- Patent number 9,790,675
- Issue date Oct 17, 2017
- Xiamen R&T Plumbing Technology Co., Ltd.
- Haibin Chen
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Dual control mode-type deodorising and water drainage valve
- Patent number 9,650,774
- Issue date May 16, 2017
- Xiamen Huierjie Sanitary Ware Technology Co., Ltd.
- Xiangji Zheng
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Toilet water reservoir water dumping valve for sealing the reservoi...
- Patent number 5,652,970
- Issue date Aug 5, 1997
- Josef Wodeslavsky
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Multiple flush toilet valve assembly
- Patent number 5,237,711
- Issue date Aug 24, 1993
- La Vaughn L. Mortensen
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Hydropneumatic flusher for toilet tanks
- Patent number 5,228,147
- Issue date Jul 20, 1993
- Pablo Fominaya Agullo
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Flush mechanism for toilets
- Patent number 5,088,133
- Issue date Feb 18, 1992
- Tsai-An Chen
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Universal toilet tank water saving device
- Patent number 5,073,995
- Issue date Dec 24, 1991
- Neubauer-Jennison Construction
- Gregory F. Jennison
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Two-stage water discharge mechanism for flush toilet tank
- Patent number 5,003,644
- Issue date Apr 2, 1991
- Chin-Ming Huang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3812545
- Patent number 3,812,545
- Issue date May 28, 1974
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3466672
- Patent number 3,466,672
- Issue date Sep 16, 1969
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3466673
- Patent number 3,466,673
- Issue date Sep 16, 1969
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3466674
- Patent number 3,466,674
- Issue date Sep 16, 1969
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3360234
- Patent number 3,360,234
- Issue date Dec 26, 1967
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3331084
- Patent number 3,331,084
- Issue date Jul 18, 1967
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3320622
- Patent number 3,320,622
- Issue date May 23, 1967
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
3088122
- Patent number 3,088,122
- Issue date May 7, 1963
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
PNEUMATIC VALVE CONTROL DEVICE
- Publication number 20230417036
- Publication date Dec 28, 2023
- Kohler (China) Investment Co., Ltd.
- Bin Guo
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
PNEUMATIC VALVE CONTROL DEVICE
- Publication number 20230193610
- Publication date Jun 22, 2023
- Kohler (China) Investment Co., Ltd.
- Bin Guo
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
AIR RELEASE VALVE AND AIR PRESSURE DRIVEN TOILET WATER TANK DRAIN V...
- Publication number 20230160190
- Publication date May 25, 2023
- LAB (XIAMEN) SANITARY FITTINGS INC.
- ZIPENG ZHANG
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Pressure flushing system and toilet
- Publication number 20220243440
- Publication date Aug 4, 2022
- ECO (XIAMEN) TECHNOLOGY INC.
- Bingxing HUANG
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Flushometer system
- Publication number 20220025627
- Publication date Jan 27, 2022
- Sloan Valve Company
- Jon Demczewski
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
SIPHON ACTIVATED VALVE
- Publication number 20210002879
- Publication date Jan 7, 2021
- Fluidmaster, Inc.
- Tuan Le
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
FLOW DIVERTER WITH ANTISIPHON
- Publication number 20190071853
- Publication date Mar 7, 2019
- Fluidmaster, Inc.
- Tuan LE
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
VACUUM OPERATED VALVE
- Publication number 20180080206
- Publication date Mar 22, 2018
- Fluidmaster, Inc.
- Tuan LE
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
SIPHON ACTIVATED VALVE
- Publication number 20180066421
- Publication date Mar 8, 2018
- Fluidmaster, Inc.
- Tuan LE
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLOW DIVERTED WITH ANTISIPOHON
- Publication number 20180051450
- Publication date Feb 22, 2018
- Fluidmaster, Inc.
- Tuan LE
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLOW DIVERTER WITH ANTISIPHON
- Publication number 20170152652
- Publication date Jun 1, 2017
- Fluidmaster, Inc.
- Tuan LE
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
RETRO FLUSH TOILET
- Publication number 20150033462
- Publication date Feb 5, 2015
- Norman Usher
- E03 - WATER SUPPLY SEWERAGE

with valves kept in open position by means of air or water pressure or by vacuum

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Pneumatic valve control device

Flush water tank apparatus and flush toilet apparatus provided with...

Air release valve and air pressure driven toilet water tank drain v...

Pneumatic valve control device

Pressure flushing system and toilet

Siphon activated valve

Discharge valve system and method

Drain fitting for a toilet cistern

Siphon activated valve

Discharge valve system and method

Vacuum operated valve

Flow diverter with antisiphon

Flow diverter with antisipohon

Flow diverter with antisiphon

Double flow control mechanism of a soft touch drain valve and a dou...

Dual control mode-type deodorising and water drainage valve

Toilet water reservoir water dumping valve for sealing the reservoi...

Multiple flush toilet valve assembly

Hydropneumatic flusher for toilet tanks

Flush mechanism for toilets

Universal toilet tank water saving device

Two-stage water discharge mechanism for flush toilet tank

3812545

3466672

3466673

3466674

3360234

3331084

3320622

3088122

Patents Applicationslast 30 patents

PNEUMATIC VALVE CONTROL DEVICE

PNEUMATIC VALVE CONTROL DEVICE

AIR RELEASE VALVE AND AIR PRESSURE DRIVEN TOILET WATER TANK DRAIN V...

Pressure flushing system and toilet

Flushometer system

SIPHON ACTIVATED VALVE

FLOW DIVERTER WITH ANTISIPHON

VACUUM OPERATED VALVE

SIPHON ACTIVATED VALVE

FLOW DIVERTED WITH ANTISIPOHON

FLOW DIVERTER WITH ANTISIPHON

RETRO FLUSH TOILET