being connected to a pressure source, an output member and a return line

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic actuator including a multi-head piston for hydraulic gearing

    • Patent number 12,145,719
    • Issue date Nov 19, 2024
    • Hamilton Sundstrand Corporation
    • Frank Perrelli
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Emergency braking method for an aircraft

    • Patent number 11,535,367
    • Issue date Dec 27, 2022
    • SAFRAN LANDING SYSTEMS
    • David Frank
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Cylinder driving device

    • Patent number 10,794,404
    • Issue date Oct 6, 2020
    • KYB Corporation
    • Daisuke Tanaka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine

    • Patent number 10,767,674
    • Issue date Sep 8, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa Kai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system

    • Patent number 10,273,984
    • Issue date Apr 30, 2019
    • Putzmeister Engineering GmbH
    • Jan-Martin Veit
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pneumatic actuator system and method for controlling such as system

    • Patent number 10,119,555
    • Issue date Nov 6, 2018
    • Volvo Truck Corporation
    • Pierre Carez
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic circuit for construction machine

    • Patent number 9,863,448
    • Issue date Jan 9, 2018
    • Kobelco Construction Machinery Co., Ltd.
    • Koji Ueda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive device for cargo handling vehicle

    • Patent number 9,631,613
    • Issue date Apr 25, 2017
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yuki Ueda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic drive

    • Patent number 9,447,874
    • Issue date Sep 20, 2016
    • Liebherr-Hydraulikbagger GmbH
    • Simon Meier
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Landing gear retraction/extension device of aircraft

    • Patent number 8,973,869
    • Issue date Mar 10, 2015
    • Sumitomo Precision Products Co., LTD
    • Yasuto Onomichi
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Hydraulic driving system of construction machinery

    • Patent number 7,500,360
    • Issue date Mar 10, 2009
    • Hitachi Constuction Machinery Co., Ltd.
    • Tsutomu Udagawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Dual pump dual pressure hydraulic circuit

    • Patent number 7,401,465
    • Issue date Jul 22, 2008
    • Deere & Company
    • Robert Clayton Emmert
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electrohydraulic lifting control device for industrial trucks

    • Patent number 6,837,045
    • Issue date Jan 4, 2005
    • Hawe Hydraulik GmbH & Co. KG
    • Martin Heusser
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Apparatus and method for raising and lowering a piston in a piston...

    • Patent number 6,094,910
    • Issue date Aug 1, 2000
    • Maritime Hydraulics A.S.
    • Per Vatne
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Power sensing regenerator

    • Patent number 5,319,932
    • Issue date Jun 14, 1994
    • Roche Engineering Corporation
    • Richard M. Roche
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system for crawler-mounted construction vehicle

    • Patent number 5,005,358
    • Issue date Apr 9, 1991
    • Hitachi Construction Machinery Co., Ltd.
    • Toichi Hirata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3673300

    • Patent number 3,673,300
    • Issue date Jun 27, 1972
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3664126

    • Patent number 3,664,126
    • Issue date May 23, 1972
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3411536

    • Patent number 3,411,536
    • Issue date Nov 19, 1968
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3150490

    • Patent number 3,150,490
    • Issue date Sep 29, 1964
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3136226

    • Patent number 3,136,226
    • Issue date Jun 9, 1964
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2943604

    • Patent number 2,943,604
    • Issue date Jul 5, 1960
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID CIRCUIT

    • Publication number 20240159255
    • Publication date May 16, 2024
    • EAGLE INDUSTRY CO., LTD.
    • Yoshiyuki SHIMADA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC ACTUATOR INCLUDING A MULTI-HEAD PISTON FOR HYDRAULIC GEARING

    • Publication number 20230339604
    • Publication date Oct 26, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • Ryan Prescott Susca
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC ACTUATOR INCLUDING A MULTI-HEAD PISTON FOR HYDRAULIC GEARING

    • Publication number 20230339605
    • Publication date Oct 26, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • Frank Perrelli
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    EMERGENCY BRAKING METHOD FOR AN AIRCRAFT

    • Publication number 20190382103
    • Publication date Dec 19, 2019
    • SAFRAN LANDING SYSTEMS
    • David FRANK
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINE

    • Publication number 20150330413
    • Publication date Nov 19, 2015
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • Koji Ueda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEM

    • Publication number 20150096290
    • Publication date Apr 9, 2015
    • Putzmeister Engineering GmbH
    • Jan-Martin Veit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC DRIVE DEVICE FOR CARGO HANDLING VEHICLE

    • Publication number 20140369866
    • Publication date Dec 18, 2014
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuki UEDA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LANDING GEAR RETRACTION/EXTENSION DEVICE OF AIRCRAFT

    • Publication number 20130068885
    • Publication date Mar 21, 2013
    • Sumitomo Precision Products Co., Ltd.
    • Yasuto Onomichi
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    ELECTRIC-HYDRAULIC HYBRID DRIVER

    • Publication number 20120324880
    • Publication date Dec 27, 2012
    • Norihiro Kuzuu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic Drive

    • Publication number 20090308067
    • Publication date Dec 17, 2009
    • Liebherr-Hydraulikbagger GmbH
    • Simon Meier
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Dual pump dual pressure hydraulic circuit

    • Publication number 20070107421
    • Publication date May 17, 2007
    • Deere & Company, a Delaware corporation
    • Robert Clayton Emmert
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic driving system of construction machinery

    • Publication number 20050175485
    • Publication date Aug 11, 2005
    • Tsutomu Udagawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Electrohydraulic lifting control device for industrial trucks

    • Publication number 20030221548
    • Publication date Dec 4, 2003
    • Martin Heusser
    • B66 - HOISTING LIFTING HAULING