Closed circuit

Patents Grantslast 30 patents

  • Information Patent Grant

    Hoist system counterbalance valve signal shutoff

    • Patent number 12,115,897
    • Issue date Oct 15, 2024
    • Caterpillar Inc.
    • John R. Connolly
    • 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

    Working machine

    • Patent number 12,098,524
    • Issue date Sep 24, 2024
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Load dependent range shift control

    • Patent number 12,071,745
    • Issue date Aug 27, 2024
    • Joshua D. Zimmerman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Baler connectable to a tractor for providing round bales and method...

    • Patent number 12,066,038
    • Issue date Aug 20, 2024
    • KVERNELAND GROUP RAVENNA S.RL.
    • Valerio Casadei
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pump/motor with integrated variator for use in hydraulic systems

    • Patent number 12,055,166
    • Issue date Aug 6, 2024
    • Danfoss A/S
    • Aaron Hertzel Jagoda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine

    • Patent number 12,054,917
    • Issue date Aug 6, 2024
    • HD Hyundai Infracore Co., Ltd.
    • Byungil Kang
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic excavator drive system

    • Patent number 12,037,774
    • Issue date Jul 16, 2024
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Loading work vehicle

    • Patent number 12,012,725
    • Issue date Jun 18, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Koji Hyodo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine

    • Patent number 12,000,118
    • Issue date Jun 4, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Juri Shimizu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • 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

    Construction machine

    • Patent number 11,970,838
    • Issue date Apr 30, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Shohei Sugiki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Working machine

    • Patent number 11,905,683
    • Issue date Feb 20, 2024
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Working machine

    • Patent number 11,891,780
    • Issue date Feb 6, 2024
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Working machine

    • Patent number 11,873,894
    • Issue date Jan 16, 2024
    • Kubota Corporation
    • Yuji Fukuda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Construction machine

    • Patent number 11,859,367
    • Issue date Jan 2, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei Saitoh
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system and a method for controlling a hydraulic system of...

    • Patent number 11,846,086
    • Issue date Dec 19, 2023
    • Volvo Construction Equipment AB
    • Bo Vigholm
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Dual architecture for an electro-hydraulic drive system

    • Patent number 11,788,256
    • Issue date Oct 17, 2023
    • Parker-Hannifin Corporation
    • Dale Vanderlaan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Electro-hydraulic drive system for a machine

    • Patent number 11,781,289
    • Issue date Oct 10, 2023
    • Parker-Hannifin Corporation
    • Hao Zhang
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic device, a hydraulic system and a working machine

    • Patent number 11,746,801
    • Issue date Sep 5, 2023
    • Volvo Construction Equipment AB
    • Mika Sahlman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Working machine

    • Patent number 11,505,922
    • Issue date Nov 22, 2022
    • Kubota Corporation
    • Ryuki Nishimoto
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Mechanism for raising and lowering lifting arms of a work vehicle

    • Patent number 11,466,433
    • Issue date Oct 11, 2022
    • MAHINDRA AND MAHINDRA LIMITED
    • Digambar Ladhe
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Wheel loader

    • Patent number 11,391,017
    • Issue date Jul 19, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Koji Hyodo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine

    • Patent number 11,319,693
    • Issue date May 3, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiromasa Takahashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pump/motor with integrated variator for use in hydraulic systems

    • Patent number 11,255,359
    • Issue date Feb 22, 2022
    • Danfoss Power Solutions II Technology A/S
    • Aaron Hertzel Jagoda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic systems for construction machinery

    • Patent number 11,186,967
    • Issue date Nov 30, 2021
    • J.C. Bamford Excavators Limited
    • James Hewitt
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Implement and a method for obtaining information related to said im...

    • Patent number 11,174,621
    • Issue date Nov 16, 2021
    • ALO AB
    • Tomas Nygren
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Construction machine

    • Patent number 11,118,328
    • Issue date Sep 14, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Juri Shimizu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine

    • Patent number 11,111,651
    • Issue date Sep 7, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Juri Shimizu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine

    • Patent number 10,947,699
    • Issue date Mar 16, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei Saitoh
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    A MACHINE COMPRISING A SWING-TRAVEL HYDRAULIC SYSTEM

    • Publication number 20240263425
    • Publication date Aug 8, 2024
    • CATERPILLAR S.A.R.L.
    • Igor STRASHNY
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC MOTOR UNIT

    • Publication number 20240191475
    • Publication date Jun 13, 2024
    • Nabtesco Corporation
    • Hiromi NAGAYAMA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORKING MACHINE

    • Publication number 20240117879
    • Publication date Apr 11, 2024
    • KUBOTA CORPORATION
    • Daiki ABE
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine

    • Publication number 20230349132
    • Publication date Nov 2, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Shohei SUGIKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC EXCAVATOR DRIVE SYSTEM

    • Publication number 20230228063
    • Publication date Jul 20, 2023
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Akihiro KONDO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hoist System Counterbalance Valve Signal Shutoff

    • Publication number 20230017953
    • Publication date Jan 19, 2023
    • Caterpillar Inc.
    • John R. Connolly
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    A HYDRAULIC SYSTEM AND A METHOD FOR CONTROLLING A HYDRAULIC SYSTEM...

    • Publication number 20230011283
    • Publication date Jan 12, 2023
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Bo Vigholm
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine

    • Publication number 20220364337
    • Publication date Nov 17, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Juri SHIMIZU
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CYLINDER, HYDRAULIC SYSTEM, CONSTRUCTION MACHINE AND PROCEDURE

    • Publication number 20220307230
    • Publication date Sep 29, 2022
    • Elmaco AS
    • Per Olav Haughom
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine

    • Publication number 20220282448
    • Publication date Sep 8, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kenji HIRAKU
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Dual Architecture for an Electro-Hydraulic Drive System

    • Publication number 20220282458
    • Publication date Sep 8, 2022
    • Parker-Hannifin Corporation
    • Dale Vanderlaan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Electro-Hydraulic Drive System for a Machine

    • Publication number 20220259828
    • Publication date Aug 18, 2022
    • Parker-Hannifin Corporation
    • Hao Zhang
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Mechanism for raising and lowering lifting arms of a work vehicle

    • Publication number 20220136212
    • Publication date May 5, 2022
    • Mahindra and Mahindra Limited
    • Digambar LADHE
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PUMP/MOTOR WITH INTEGRATED VARIATOR FOR USE IN HYDRAULIC SYSTEMS

    • Publication number 20220136534
    • Publication date May 5, 2022
    • Danfoss Power Solutions II Technology A/S
    • Aaron Hertzel JAGODA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine

    • Publication number 20220056667
    • Publication date Feb 24, 2022
    • Teppei SAITOH
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine

    • Publication number 20220042279
    • Publication date Feb 10, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiromasa TAKAHASHI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    LOADING WORK VEHICLE

    • Publication number 20210189690
    • Publication date Jun 24, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Koji HYODO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORKING VEHICLE

    • Publication number 20210002865
    • Publication date Jan 7, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Koji HYODO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AN IMPLEMENT ATTACHMENT DEVICE

    • Publication number 20200385952
    • Publication date Dec 10, 2020
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Christian Hahn
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEMS FOR CONSTRUCTION MACHINERY

    • Publication number 20200199849
    • Publication date Jun 25, 2020
    • J.C. Bamford Excavators Limited
    • James Hewitt
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PUMP/MOTOR WITH INTEGRATED VARIATOR FOR USE IN HYDRAULIC SYSTEMS

    • Publication number 20190376536
    • Publication date Dec 12, 2019
    • EATON INTELLIGENT POWER LIMITED
    • Aaron Hertzel JAGODA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    IMPLEMENT AND A METHOD FOR OBTAINING INFORMATION RELATED TO SAID IM...

    • Publication number 20190234047
    • Publication date Aug 1, 2019
    • ALO AB
    • Tomas NYGREN
    • G01 - MEASURING TESTING
  • Information Patent Application

    WHEEL LOADER

    • Publication number 20190226179
    • Publication date Jul 25, 2019
    • KCM Corporation
    • Kohtaroh UNO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Construction Machine

    • Publication number 20190218750
    • Publication date Jul 18, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei SAITOH
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    A HYDRAULIC SYSTEM AND A METHOD FOR MOVING AN IMPLEMENT OF A WORKIN...

    • Publication number 20180230669
    • Publication date Aug 16, 2018
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Patrik STENER
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC SYSTEM FOR WORKING MACHINE

    • Publication number 20180163375
    • Publication date Jun 14, 2018
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic Systems for Construction Machinery

    • Publication number 20180119390
    • Publication date May 3, 2018
    • J.C. Bamford Excavators Limited
    • James Hewitt
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Systems for Construction Machinery

    • Publication number 20180119389
    • Publication date May 3, 2018
    • J.C. Bamford Excavators Limited
    • James Hewitt
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEM FOR WORK MACHINE

    • Publication number 20170284425
    • Publication date Oct 5, 2017
    • KUBOTA CORPORATION
    • Yoshimitsu TANAKA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEM HAVING DIAGNOSTIC MODE OF OPERATION

    • Publication number 20170138018
    • Publication date May 18, 2017
    • Caterpillar Inc.
    • Matthew J. BESCHORNER
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING