Check valves

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CPC
F15B13/027

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B13/00Details of servomotor systems ; Valves for servomotor systems

Current Industry

F15B13/027Check valves

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust valves for pressurised fluid operated devices
- Patent number 12,365,070
- Issue date Jul 22, 2025
- GlobalForce IP Limited
- Ian Craig Paterson
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Hydraulic supply device
- Patent number 12,320,369
- Issue date Jun 3, 2025
- Jatco LTD
- Tomoko Sugano
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Restraint systems and restraint system methods
- Patent number 12,311,859
- Issue date May 27, 2025
- Advanced Concepts in Manufacturing LLC
- Mike Syrcle
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hammer piston
- Patent number 12,296,453
- Issue date May 13, 2025
- Caterpillar Inc.
- Cody Moore
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Arrangement and manipulation system, and method for manipulating th...
- Patent number 12,265,405
- Issue date Apr 1, 2025
- Faurecia Autositze GmbH
- Tomasz Stasinski
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Gasket device and pneumatic valve system for a commercial vehicle
- Patent number 12,247,591
- Issue date Mar 11, 2025
- ZF CV Systems Europe BV
- Maciej Semeniuk
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Gasket device and pneumatic valve system for a commercial vehicle
- Patent number 12,215,720
- Issue date Feb 4, 2025
- ZF CV Systems Europe BV
- Maciej Semeniuk
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic circuit including a hydraulically actuatable motion contr...
- Patent number 12,209,597
- Issue date Jan 28, 2025
- Dana Motion Systems Italia S.r.l.
- Manuel Bezzi
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system for rapid mooring device of offshore operation hel...
- Patent number 12,179,937
- Issue date Dec 31, 2024
- Yanshan University
- Dingxuan Zhao
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic circuit for a construction machine
- Patent number 12,163,314
- Issue date Dec 10, 2024
- Caterpillar SARL
- Isao Konishi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydrostatic cylinder with gas pressure accumulator
- Patent number 12,146,510
- Issue date Nov 19, 2024
- Robert Bosch GmbH
- Marc Weigand
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic machine
- Patent number 12,135,046
- Issue date Nov 5, 2024
- Volvo Construction Equipment AB
- Minheuk Kang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Radial piston hydraulic device distributing flow by pilot operated...
- Patent number 12,129,874
- Issue date Oct 29, 2024
- HUAQIAO UNIVERSITY
- Tong Guo
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pilot operated blow-off valves for hydraulic actuators
- Patent number 12,117,024
- Issue date Oct 15, 2024
- ClearMotion, Inc.
- Clive Tucker
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Construction machine
- Patent number 12,104,349
- Issue date Oct 1, 2024
- Hitachi Construction Machinery Co., Ltd.
- Kenji Hiraku
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Device for maintaining a hydraulic supply of a utility vehicle
- Patent number 12,083,974
- Issue date Sep 10, 2024
- Deere & Company
- Jens Letscher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pilot-operated valve with a position indicator
- Patent number 12,000,500
- Issue date Jun 4, 2024
- Sun Hydraulics, LLC
- Bernd Zähe
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Cylinder, hydraulic system, construction machine and procedure
- Patent number 11,993,921
- Issue date May 28, 2024
- Elmaco AS
- Per Olav Haughom
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system for an industrial truck
- Patent number 11,953,030
- Issue date Apr 9, 2024
- Still GmbH
- Markus Schwab
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Flow rate controller and drive device
- Patent number 11,946,493
- Issue date Apr 2, 2024
- SMC Corporation
- Youji Takakuwa
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Systems and methods for control and monitoring of actuated valves
- Patent number 11,867,589
- Issue date Jan 9, 2024
- Swagelok Company
- William H. Glime
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Screw-pump type electro-hydraulic actuator
- Patent number 11,852,173
- Issue date Dec 26, 2023
- ZOOMLION HEAVY INDUSTRY NA, INC.
- Syed Mutahir Hussain
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electrohydrostatic actution system, hydraulic circuit of electrohyd...
- Patent number 11,808,158
- Issue date Nov 7, 2023
- Moog Japan Ltd.
- Jiong Yang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydraulic pump to synchronize the operation of a pair of hydraulic...
- Patent number 11,795,944
- Issue date Oct 24, 2023
- JL MARINE SYSTEMS INC.
- John D. Oliverio
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Roadway energy generation system
- Patent number 11,795,925
- Issue date Oct 24, 2023
- Stephen Michael Lamanna
- G08 - SIGNALLING
Information Patent Grant
Pilot check valve
- Patent number 11,781,663
- Issue date Oct 10, 2023
- SMC Corporation
- Kenji Fukushima
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Flow rate controller and drive device equipped with same
- Patent number 11,773,879
- Issue date Oct 3, 2023
- SMC Corporation
- Youji Takakuwa
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Method and apparatus for conversion of a pneumatic actuator to an e...
- Patent number 11,732,733
- Issue date Aug 22, 2023
- Robert Connal
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic control system
- Patent number 11,732,734
- Issue date Aug 22, 2023
- HAWE HYDRAULIK (WUXI) CO., LTD.
- Changfa Huang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Restraint systems and restraint system methods
- Patent number 11,731,574
- Issue date Aug 22, 2023
- Advanced Concepts in Manufacturing LLC
- Mike Syrcle
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic Pump Providing Enhanced Physical Mobility
- Publication number 20250237212
- Publication date Jul 24, 2025
- Richard Hardman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
CONTROL CIRCUIT FOR A HARVESTER HEAD
- Publication number 20250230822
- Publication date Jul 17, 2025
- PONSSE OYJ
- Tommi LIUKKUNEN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Fluid System For A Vehicle
- Publication number 20250222736
- Publication date Jul 10, 2025
- ECO Holding 1 GmbH
- Dietmar Schulze
- B60 - VEHICLES IN GENERAL
Information Patent Application
Fluid System For A Vehicle
- Publication number 20250214386
- Publication date Jul 3, 2025
- ECO Holding 1 GmbH
- Jens Möhring
- B60 - VEHICLES IN GENERAL
Information Patent Application
VALVE BLOCK, AND MULTI-CONTROL VALVE DEVICE HAVING SAME
- Publication number 20250188960
- Publication date Jun 12, 2025
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Masahiro OHIRA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
MOTOR LOAD INTERFACE SEALING ARRANGEMENT
- Publication number 20250154967
- Publication date May 15, 2025
- Goodrich Actuation Systems SAS
- Tran-Quoc PHAM
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
METHOD FOR CONTROLLING WORKING MACHINE AND WORKING MACHINE
- Publication number 20250146256
- Publication date May 8, 2025
- Yanmar Holdings Co., Ltd.
- Shunsuke MINEMATSU
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC SYSTEM FOR A WORK VEHICLE WITH VALVE ASSEMBLY INCORPORATI...
- Publication number 20250146248
- Publication date May 8, 2025
- CNH INDUSTRIAL AMERICA LLC
- Jonathan Lacher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC SYSTEM, METHOD, AND INTEGRATED VALVE BLOCK OF SLEWING MEC...
- Publication number 20250137476
- Publication date May 1, 2025
- SHANDONG UNIVERSITY
- Lei LI
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
PILOT OPERATED BLOW-OFF VALVES FOR HYDRAULIC ACTUATORS
- Publication number 20250012299
- Publication date Jan 9, 2025
- ClearMotion, Inc.
- Clive Tucker
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM FOR RAPID MOORING DEVICE OF OFFSHORE OPERATION HEL...
- Publication number 20250002174
- Publication date Jan 2, 2025
- Yanshan University
- Dingxuan ZHAO
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Electro-Hydraulic Actuator with a Pilot-Actuated Float Mode
- Publication number 20250003522
- Publication date Jan 2, 2025
- Parker-Hannifin Corporation
- Jacob S. Larson
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
INTEGRATED PUMP DEVICE
- Publication number 20240337277
- Publication date Oct 10, 2024
- DENSO CORPORATION
- Kazunori UCHIDA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HAMMER PISTON
- Publication number 20240326217
- Publication date Oct 3, 2024
- Caterpillar Inc.
- Cody MOORE
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
THREE SERVOVALVE THRUST REVERSER ACTUATOR SYSTEM
- Publication number 20240287949
- Publication date Aug 29, 2024
- WOODWARD, INC.
- Jeffrey Michael Brandt
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Safe Tool for an Individual Pumping Unit
- Publication number 20240269806
- Publication date Aug 15, 2024
- Del Plata Ingeniería SA
- Santiago Miguel Cerviño
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
HYDRAULIC POWER PACK MODULE
- Publication number 20240240658
- Publication date Jul 18, 2024
- Narendra Gupta
- B66 - HOISTING LIFTING HAULING
Information Patent Application
HYDRAULIC CYLINDER ASSEMBLY
- Publication number 20240198884
- Publication date Jun 20, 2024
- Hyva Holding B.V.
- Nikhil MURALI KRISHNAA
- B60 - VEHICLES IN GENERAL
Information Patent Application
FLUID CIRCUIT
- Publication number 20240167488
- Publication date May 23, 2024
- EAGLE INDUSTRY CO., LTD.
- Tatsuhiro ARIKAWA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES
- Publication number 20240125666
- Publication date Apr 18, 2024
- SWAGELOK COMPANY
- William H. Glime
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC CIRCUIT INCLUDING A HYDRAULICALLY ACTUATABLE MOTION CONTR...
- Publication number 20240102494
- Publication date Mar 28, 2024
- Dana Motion Systems Italia S.R.L.
- Manuel BEZZI
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC SUPPLY DEVICE
- Publication number 20240093703
- Publication date Mar 21, 2024
- JATCO Ltd
- Tomoko SUGANO
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Hydraulic Drive for a Hydraulic Consumer Alternately Pressurized in...
- Publication number 20240084829
- Publication date Mar 14, 2024
- ROBERT BOSCH GmbH
- Andreas Guender
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC EXCAVATOR DRIVE SYSTEM
- Publication number 20240084823
- Publication date Mar 14, 2024
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Akihiro KONDO
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SYSTEM FOR TRACTION INSIDE PIPES, WITH FLEXIBLE RESERVOIR AND WITH...
- Publication number 20240052962
- Publication date Feb 15, 2024
- Petroleo Brasileiro S.A. - PETROBRAS
- Hugo Francisco LISBOA SANTOS
- B08 - CLEANING
Information Patent Application
PRE-PRESSURIZED SYSTEM WITH REVERSE ROTATION OF PUMP FOR VALVE ACTU...
- Publication number 20240051367
- Publication date Feb 15, 2024
- Stackpole International Engineered Products, Ltd.
- Stephan WEGNER
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYDRAULIC CIRCUIT FOR A CONSTRUCTION MACHINE
- Publication number 20230407597
- Publication date Dec 21, 2023
- CATERPILLAR S.A.R.L.
- Isao KONISHI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Restraint Systems and Restraint System Methods
- Publication number 20230373424
- Publication date Nov 23, 2023
- Advanced Concepts in Manufacturing LLC
- Mike Syrcle
- B60 - VEHICLES IN GENERAL
Information Patent Application
DEVICE FOR MAINTAINING A HYDRAULIC SUPPLY OF A UTILITY VEHICLE
- Publication number 20230311796
- Publication date Oct 5, 2023
- Deere & Company
- JENS LETSCHER
- B60 - VEHICLES IN GENERAL
Information Patent Application
CHECK VALVE AND BRAKE SYSTEM
- Publication number 20230303049
- Publication date Sep 28, 2023
- HITACHI ASTEMO UEDA, LTD.
- Tetsuo KOBORI
- B60 - VEHICLES IN GENERAL

Check valves

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Exhaust valves for pressurised fluid operated devices

Hydraulic supply device

Restraint systems and restraint system methods

Hammer piston

Arrangement and manipulation system, and method for manipulating th...

Gasket device and pneumatic valve system for a commercial vehicle

Gasket device and pneumatic valve system for a commercial vehicle

Hydraulic circuit including a hydraulically actuatable motion contr...

Hydraulic system for rapid mooring device of offshore operation hel...

Hydraulic circuit for a construction machine

Hydrostatic cylinder with gas pressure accumulator

Hydraulic machine

Radial piston hydraulic device distributing flow by pilot operated...

Pilot operated blow-off valves for hydraulic actuators

Construction machine

Device for maintaining a hydraulic supply of a utility vehicle

Pilot-operated valve with a position indicator

Cylinder, hydraulic system, construction machine and procedure

Hydraulic system for an industrial truck

Flow rate controller and drive device

Systems and methods for control and monitoring of actuated valves

Screw-pump type electro-hydraulic actuator

Electrohydrostatic actution system, hydraulic circuit of electrohyd...

Hydraulic pump to synchronize the operation of a pair of hydraulic...

Roadway energy generation system

Pilot check valve

Flow rate controller and drive device equipped with same

Method and apparatus for conversion of a pneumatic actuator to an e...

Hydraulic control system

Restraint systems and restraint system methods

Patents Applicationslast 30 patents

Hydraulic Pump Providing Enhanced Physical Mobility

CONTROL CIRCUIT FOR A HARVESTER HEAD

Fluid System For A Vehicle

Fluid System For A Vehicle

VALVE BLOCK, AND MULTI-CONTROL VALVE DEVICE HAVING SAME

MOTOR LOAD INTERFACE SEALING ARRANGEMENT

METHOD FOR CONTROLLING WORKING MACHINE AND WORKING MACHINE

HYDRAULIC SYSTEM FOR A WORK VEHICLE WITH VALVE ASSEMBLY INCORPORATI...

HYDRAULIC SYSTEM, METHOD, AND INTEGRATED VALVE BLOCK OF SLEWING MEC...

PILOT OPERATED BLOW-OFF VALVES FOR HYDRAULIC ACTUATORS

HYDRAULIC SYSTEM FOR RAPID MOORING DEVICE OF OFFSHORE OPERATION HEL...

Electro-Hydraulic Actuator with a Pilot-Actuated Float Mode

INTEGRATED PUMP DEVICE

HAMMER PISTON

THREE SERVOVALVE THRUST REVERSER ACTUATOR SYSTEM

Safe Tool for an Individual Pumping Unit

HYDRAULIC POWER PACK MODULE

HYDRAULIC CYLINDER ASSEMBLY

FLUID CIRCUIT

SYSTEMS AND METHODS FOR CONTROL AND MONITORING OF ACTUATED VALVES

HYDRAULIC CIRCUIT INCLUDING A HYDRAULICALLY ACTUATABLE MOTION CONTR...

HYDRAULIC SUPPLY DEVICE

Hydraulic Drive for a Hydraulic Consumer Alternately Pressurized in...

HYDRAULIC EXCAVATOR DRIVE SYSTEM

SYSTEM FOR TRACTION INSIDE PIPES, WITH FLEXIBLE RESERVOIR AND WITH...

PRE-PRESSURIZED SYSTEM WITH REVERSE ROTATION OF PUMP FOR VALVE ACTU...

HYDRAULIC CIRCUIT FOR A CONSTRUCTION MACHINE

Restraint Systems and Restraint System Methods

DEVICE FOR MAINTAINING A HYDRAULIC SUPPLY OF A UTILITY VEHICLE

CHECK VALVE AND BRAKE SYSTEM