Valves for preventing return flow

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CPC
E03F7/04

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Parent Industries

EFIXED CONSTRUCTIONS E03Water supply, sewage E03FSEWERS CESSPOOLS E03F7/00Other installations or implements for operating sewer systems

Current Industry

E03F7/04Valves for preventing return flow

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Compact valve assembly
- Patent number 12,123,510
- Issue date Oct 22, 2024
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Positive and negative pressure resistant sealing apparatus of balan...
- Patent number 12,077,957
- Issue date Sep 3, 2024
- Chengxu Jiang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Ultra-large horizontal seepage test system with intelligent graded...
- Patent number 12,000,135
- Issue date Jun 4, 2024
- Nanjing Hydraulic Research Institute
- Beixiao Shi
- G01 - MEASURING TESTING
Information Patent Grant
Vacuum sewage system with monitoring system and variable speed pump...
- Patent number 11,939,760
- Issue date Mar 26, 2024
- Clint Hawn
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Drainage system and drain
- Patent number 11,851,855
- Issue date Dec 26, 2023
- ACO AHLMANN SE & CO. KG
- Heino Messerschmidt
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Check valve cartridge with flow guide for compact backflow preventi...
- Patent number 11,852,254
- Issue date Dec 26, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Backflow prevention assembly having a cartridge with dual zone testing
- Patent number 11,835,147
- Issue date Dec 5, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Reversible spring retention assembly for a valve
- Patent number 11,821,529
- Issue date Nov 21, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Check cover assemblies for backflow prevention assemblies with inte...
- Patent number 11,719,352
- Issue date Aug 8, 2023
- Watts Regulator Co.
- Jason Doughty
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Backflow prevention assembly with telescoping bias assembly and rev...
- Patent number 11,674,609
- Issue date Jun 13, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Apparatus and method for valve cartridge extraction
- Patent number 11,585,076
- Issue date Feb 21, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Systems and methods for backflow management
- Patent number 11,505,937
- Issue date Nov 22, 2022
- 900 Ethan Allen Hwy LLC
- Andrew Mulvaney
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Partial blockage detection using backwater valve
- Patent number 11,371,235
- Issue date Jun 28, 2022
- Michael Gibson
- G08 - SIGNALLING
Information Patent Grant
Backwater valve with control linkage
- Patent number 11,346,097
- Issue date May 31, 2022
- Gabe Coscarella
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Sewage backflow preventing valve
- Patent number 11,299,873
- Issue date Apr 12, 2022
- Benjamin Dillingham
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Locked backwater valve
- Patent number 11,214,953
- Issue date Jan 4, 2022
- Gabe Coscarella
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
System to prevent basement flooding from sewer backup
- Patent number 10,837,165
- Issue date Nov 17, 2020
- Ronald A. Brant
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Contamination barrier for plumbing systems and method of using same
- Patent number 10,676,909
- Issue date Jun 9, 2020
- Mike Maan Jarrar
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Partial blockage detection using backwater valve
- Patent number 10,533,312
- Issue date Jan 14, 2020
- Michael Gibson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Backwater valve with control linkage
- Patent number 10,458,112
- Issue date Oct 29, 2019
- Gabe Coscarella
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Opening/closing device
- Patent number 10,415,201
- Issue date Sep 17, 2019
- Nippon Koei Co., Ltd.
- Motonobu Ito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve insert
- Patent number 10,371,304
- Issue date Aug 6, 2019
- Ian Lyons
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Backwater valve assembly and method
- Patent number 10,240,333
- Issue date Mar 26, 2019
- Oatey Co.
- Eric G. Hull
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flexible check valve for fluid control
- Patent number 10,227,767
- Issue date Mar 12, 2019
- Tide Stop LLC
- Steven Michael Hirsch
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sewer overflow discharge monitoring system and method
- Patent number 10,161,124
- Issue date Dec 25, 2018
- EmNet, LLC
- Luis Montestruque
- G01 - MEASURING TESTING
Information Patent Grant
Powerless back-flow prevention apparatus
- Patent number 10,151,098
- Issue date Dec 11, 2018
- KOREA MACHINERY IND. INC.
- Jongsun Kim
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Water backup prevention system
- Patent number 10,094,100
- Issue date Oct 9, 2018
- Stephen A Merlo
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Backflow prevention apparatus
- Patent number 10,072,409
- Issue date Sep 11, 2018
- TLV Co., Ltd.
- Toshimasa Nishiyama
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Combined non-return valve and rat killer
- Patent number 10,072,410
- Issue date Sep 11, 2018
- Karl Johan Damgaard Jensen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Odour trap and system of a transport conduit with a division into a...
- Patent number 9,945,107
- Issue date Apr 17, 2018
- Intelligent Environmental Systems B.V.
- Jacobus Eldert Maria Van Baar
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
POSITIVE AND NEGATIVE PRESSURE RESISTANT SEALING APPARATUS OF BALAN...
- Publication number 20240287784
- Publication date Aug 29, 2024
- Chengxu Jiang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
TELESCOPING SPRING RETENTION ASSEMBLY FOR A CHECK VALVE
- Publication number 20240093797
- Publication date Mar 21, 2024
- Watts Regulator Co.
- Peter P. BOUCHARD
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
BACKFLOW PREVENTION ASSEMBLY HAVING A CARTRIDGE WITH DUAL ZONE TESTING
- Publication number 20230383856
- Publication date Nov 30, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
SYSTEMS AND METHODS FOR BACKFLOW MANAGEMENT
- Publication number 20230374768
- Publication date Nov 23, 2023
- 900 Ethan Allen Hwy LLC
- Andrew Mulvaney
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
CHECK COVER ASSEMBLIES FOR BACKFLOW PREVENTION ASSEMBLIES WITH INTE...
- Publication number 20230332702
- Publication date Oct 19, 2023
- Watts Regulator Co.
- Jason DOUGHTY
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
COMPACT VALVE ASSEMBLY
- Publication number 20230313508
- Publication date Oct 5, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
REVERSIBLE SPRING RETENTION ASSEMBLY FOR A VALVE
- Publication number 20230140314
- Publication date May 4, 2023
- Watts Regulator Co.
- Peter P. BOUCHARD
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
NORMALLY OPEN BACKWATER PREVENTION VALVE
- Publication number 20220251820
- Publication date Aug 11, 2022
- CANPLAS INDUSTRIES LTD.
- JAMES BRIAN MANTYLA
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
SYSTEMS AND METHODS FOR BACKFLOW MANAGEMENT
- Publication number 20220243450
- Publication date Aug 4, 2022
- 900 Ethan Allen Hwy LLC
- Andrew Mulvaney
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
CHECK VALVE CARTRIDGE WITH FLOW GUIDE FOR COMPACT BACKFLOW PREVENTI...
- Publication number 20220049487
- Publication date Feb 17, 2022
- Peter P. BOUCHARD
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ULTRA-LARGE HORIZONTAL SEEPAGE TEST SYSTEM WITH INTELLIGENT GRADED...
- Publication number 20220010539
- Publication date Jan 13, 2022
- Nanjing Hydraulic Research Institute of Ministry of Water Resources, Ministry...
- Beixiao Shi
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
DRAINAGE SYSTEM AND DRAIN
- Publication number 20210388581
- Publication date Dec 16, 2021
- ACO SEVERIN AHLMANN GMBH & CO KOMMANDIT GESELLSCHAFT
- Heino Messerschmidt
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
VACUUM SEWAGE SYSTEM WITH MONITORING SYSTEM AND VARIABLE SPEED PUMP...
- Publication number 20210301516
- Publication date Sep 30, 2021
- Aqseptence Group, Inc.
- Clint Hawn
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
APPARATUS AND METHOD FOR VALVE CARTRIDGE EXTRACTION
- Publication number 20210230850
- Publication date Jul 29, 2021
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Integrated utility distribution system
- Publication number 20210131078
- Publication date May 6, 2021
- Matthew F. Russell
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
BACKWATER VALVE
- Publication number 20210047823
- Publication date Feb 18, 2021
- Gabe Coscarella
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
EMERGENCY BACKFLOW PREVENTING SYSTEM
- Publication number 20200291624
- Publication date Sep 17, 2020
- James T. Reese
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
LOCKED BACKWATER VALVE
- Publication number 20200263410
- Publication date Aug 20, 2020
- Gabe Coscarella
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
A NON-RETURN VALVE
- Publication number 20200224780
- Publication date Jul 16, 2020
- PUMP PAL PTY LTD
- Terence DAY
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PARTIAL BLOCKAGE DETECTION USING BACKWATER VALVE
- Publication number 20200115891
- Publication date Apr 16, 2020
- Michael GIBSON
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
BACKWATER VALVE WITH CONTROL LINKAGE
- Publication number 20200011049
- Publication date Jan 9, 2020
- Gabe Coscarella
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
SYSTEM TO PREVENT BASEMENT FLOODING FROM SEWER BACKUP
- Publication number 20190177963
- Publication date Jun 13, 2019
- Ronald A. BRANT
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
RETROFIT DRAINAGE SYSTEM
- Publication number 20180274220
- Publication date Sep 27, 2018
- Randy Mark Baker
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLEXIBLE CHECK VALVE FOR FLUID FLOW CONTROL
- Publication number 20180230686
- Publication date Aug 16, 2018
- Tide Stop LLC
- Steven Michael Hirsch
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Valve Insert
- Publication number 20180180211
- Publication date Jun 28, 2018
- Ian Lyons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
LOW PROFILE OVERBALANCED BACKWATER VALVE
- Publication number 20180155916
- Publication date Jun 7, 2018
- Gabe Coscarella
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
OPENING/CLOSING DEVICE
- Publication number 20180135266
- Publication date May 17, 2018
- NIPPON KOEI CO., LTD.
- Motonobu ITO
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BACKWATER VALVE WITH CONTROL LINKAGE
- Publication number 20180094417
- Publication date Apr 5, 2018
- Gabe Coscarella
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
WATER BACKUP PREVENTION SYSTEM
- Publication number 20180051453
- Publication date Feb 22, 2018
- STEPHEN A. MERLO
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Combined non-return valve and rat killer
- Publication number 20180038092
- Publication date Feb 8, 2018
- Karl Johan DAMGAARD JENSEN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Valves for preventing return flow

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Compact valve assembly

Positive and negative pressure resistant sealing apparatus of balan...

Ultra-large horizontal seepage test system with intelligent graded...

Vacuum sewage system with monitoring system and variable speed pump...

Drainage system and drain

Check valve cartridge with flow guide for compact backflow preventi...

Backflow prevention assembly having a cartridge with dual zone testing

Reversible spring retention assembly for a valve

Check cover assemblies for backflow prevention assemblies with inte...

Backflow prevention assembly with telescoping bias assembly and rev...

Apparatus and method for valve cartridge extraction

Systems and methods for backflow management

Partial blockage detection using backwater valve

Backwater valve with control linkage

Sewage backflow preventing valve

Locked backwater valve

System to prevent basement flooding from sewer backup

Contamination barrier for plumbing systems and method of using same

Partial blockage detection using backwater valve

Backwater valve with control linkage

Opening/closing device

Valve insert

Backwater valve assembly and method

Flexible check valve for fluid control

Sewer overflow discharge monitoring system and method

Powerless back-flow prevention apparatus

Water backup prevention system

Backflow prevention apparatus

Combined non-return valve and rat killer

Odour trap and system of a transport conduit with a division into a...

Patents Applicationslast 30 patents

POSITIVE AND NEGATIVE PRESSURE RESISTANT SEALING APPARATUS OF BALAN...

TELESCOPING SPRING RETENTION ASSEMBLY FOR A CHECK VALVE

BACKFLOW PREVENTION ASSEMBLY HAVING A CARTRIDGE WITH DUAL ZONE TESTING

SYSTEMS AND METHODS FOR BACKFLOW MANAGEMENT

CHECK COVER ASSEMBLIES FOR BACKFLOW PREVENTION ASSEMBLIES WITH INTE...

COMPACT VALVE ASSEMBLY

REVERSIBLE SPRING RETENTION ASSEMBLY FOR A VALVE

NORMALLY OPEN BACKWATER PREVENTION VALVE

SYSTEMS AND METHODS FOR BACKFLOW MANAGEMENT

CHECK VALVE CARTRIDGE WITH FLOW GUIDE FOR COMPACT BACKFLOW PREVENTI...

ULTRA-LARGE HORIZONTAL SEEPAGE TEST SYSTEM WITH INTELLIGENT GRADED...

DRAINAGE SYSTEM AND DRAIN

VACUUM SEWAGE SYSTEM WITH MONITORING SYSTEM AND VARIABLE SPEED PUMP...

APPARATUS AND METHOD FOR VALVE CARTRIDGE EXTRACTION

Integrated utility distribution system

BACKWATER VALVE

EMERGENCY BACKFLOW PREVENTING SYSTEM

LOCKED BACKWATER VALVE

A NON-RETURN VALVE

PARTIAL BLOCKAGE DETECTION USING BACKWATER VALVE

BACKWATER VALVE WITH CONTROL LINKAGE

SYSTEM TO PREVENT BASEMENT FLOODING FROM SEWER BACKUP

RETROFIT DRAINAGE SYSTEM

FLEXIBLE CHECK VALVE FOR FLUID FLOW CONTROL

Valve Insert

LOW PROFILE OVERBALANCED BACKWATER VALVE

OPENING/CLOSING DEVICE

BACKWATER VALVE WITH CONTROL LINKAGE

WATER BACKUP PREVENTION SYSTEM

Combined non-return valve and rat killer