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the pressure being a pilot pressure

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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 F15B2211/00Circuits for servomotor systems

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F15B2211/6316the pressure being a pilot pressure
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drive device for hydraulic cylinder in work machine
    • Patent number 11,725,673
    • Issue date Aug 15, 2023
    • Kobelco Construction Machinery Co., Ltd.
    • Koji Ueda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system of construction machine
    • Patent number 11,649,611
    • Issue date May 16, 2023
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Variable displacement hydraulic unit and method for operating the h...
    • Patent number 11,448,207
    • Issue date Sep 20, 2022
    • Danfoss Power Solutions GmbH & Co. OHG
    • Suenje Marsch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Work machine
    • Patent number 11,391,020
    • Issue date Jul 19, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki Ishii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Electropneumatically regulated control of a current collector
    • Patent number 11,351,871
    • Issue date Jun 7, 2022
    • KNORR-BREMSE SYSTEME FÜR SCHIENENFAHRZEUGE GMBH
    • Manfred Vohla
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Flow control valve and hydraulic machine including the same
    • Patent number 11,286,962
    • Issue date Mar 29, 2022
    • Volvo Construction Equipment AB
    • Jinwook Kim
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electrohydraulic control device for construction machine and method...
    • Patent number 11,286,647
    • Issue date Mar 29, 2022
    • Doosan Infracore Co., Ltd.
    • Taeyoon Kim
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system of construction machine
    • Patent number 11,280,066
    • Issue date Mar 22, 2022
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Hideyasu Muraoka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electro-hydraulic control system with fail-safe pilot valves
    • Patent number 11,125,254
    • Issue date Sep 21, 2021
    • PARKER HANNIFIN EMEA S.À.R.L.
    • Björn Erikksson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic work machine
    • Patent number 11,105,070
    • Issue date Aug 31, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi Hoshino
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Arrangement with on/off valve, pneumatic actuator, magnetic valve a...
    • Patent number 11,098,822
    • Issue date Aug 24, 2021
    • Siemens Aktiengesellschaft
    • Ewa Götz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control system, work machine, and control method
    • Patent number 11,047,112
    • Issue date Jun 29, 2021
    • Komatsu Ltd.
    • Shimon Jimbo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic system
    • Patent number 11,041,515
    • Issue date Jun 22, 2021
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic drive system of construction machine
    • Patent number 11,035,100
    • Issue date Jun 15, 2021
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 10,968,604
    • Issue date Apr 6, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Shinya Imura
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 10,961,690
    • Issue date Mar 30, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki Chiba
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system
    • Patent number 10,920,804
    • Issue date Feb 16, 2021
    • Tadano Ltd.
    • Naoto Kawabuchi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method for controlling swing motor in hydraulic system and hydrauli...
    • Patent number 10,883,253
    • Issue date Jan 5, 2021
    • Doosan Infracore Co., Ltd.
    • Yong Lak Cho
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system for working machine
    • Patent number 10,870,969
    • Issue date Dec 22, 2020
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Apparatus and methods for the control of hydraulic actuators
    • Patent number 10,830,257
    • Issue date Nov 10, 2020
    • National Oilwell Varco Norway AS
    • Michael Rygaard Hansen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 10,801,532
    • Issue date Oct 13, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic driving system
    • Patent number 10,794,045
    • Issue date Oct 6, 2020
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Hideyasu Muraoka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine hydraulic control system
    • Patent number 10,794,044
    • Issue date Oct 6, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic fluid circuit with fixed minimum back pressure
    • Patent number 10,619,652
    • Issue date Apr 14, 2020
    • Caterpillar Inc.
    • Jeremy Todd Peterson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic fluid energy regeneration apparatus of work machine
    • Patent number 10,584,722
    • Issue date Mar 10, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control system of construction machine
    • Patent number 10,472,804
    • Issue date Nov 12, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Ryohei Yamashita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pump control system of work machine
    • Patent number 10,450,726
    • Issue date Oct 22, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Operation device and hydraulic system
    • Patent number 10,443,629
    • Issue date Oct 15, 2019
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system for work machine
    • Patent number 10,436,229
    • Issue date Oct 8, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji Hijikata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Flow rate control apparatus of construction equipment and control m...
    • Patent number 10,428,491
    • Issue date Oct 1, 2019
    • Volvo Construction Equipment AB
    • Hea-Gyoon Joung
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC SYSTEM OF CONSTRUCTION MACHINE
    • Publication number 20220267997
    • Publication date Aug 25, 2022
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Akihiro KONDO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    FLUID PRESSURE CONTROL DEVICE
    • Publication number 20220228608
    • Publication date Jul 21, 2022
    • SMC Corporation
    • Tatsumasa YAMASHIRO
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    DRIVE DEVICE FOR HYDRAULIC CYLINDER IN WORK MACHINE
    • Publication number 20220120295
    • Publication date Apr 21, 2022
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • Koji Ueda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    FLOW CONTROL VALVE AND HYDRAULIC MACHINE INCLUDING THE SAME
    • Publication number 20210207622
    • Publication date Jul 8, 2021
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Jinwook Kim
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ELECTROPNEUMATICALLY REGULATED CONTROL OF A CURRENT COLLECTOR
    • Publication number 20210129677
    • Publication date May 6, 2021
    • Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
    • Manfred VOHLA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM OF CONSTRUCTION MACHINE
    • Publication number 20210002867
    • Publication date Jan 7, 2021
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Hideyasu MURAOKA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FAILURE DETECTION DEVICE
    • Publication number 20200291971
    • Publication date Sep 17, 2020
    • TADANO Ltd.
    • Naoto KAWABUCHI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Work Machine Hydraulic Control System
    • Publication number 20200173145
    • Publication date Jun 4, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi OGAWA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVING SYSTEM
    • Publication number 20200141089
    • Publication date May 7, 2020
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Hideyasu MURAOKA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Fluid Circuit With Fixed Minimum Back Pressure
    • Publication number 20190309771
    • Publication date Oct 10, 2019
    • Caterpillar Inc.
    • Jeremy Todd Peterson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ELECTRO-HYDRAULIC CONTROL SYSTEM WITH FAIL-SAFE PILOT VALVES
    • Publication number 20190257328
    • Publication date Aug 22, 2019
    • Parker Hannifin EMEA S.à.r.l.
    • Björn Erikksson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    HYDRAULIC SYSTEM FOR WORKING MACHINE
    • Publication number 20190112789
    • Publication date Apr 18, 2019
    • KUBOTA CORPORATION
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM OF CONSTRUCTION MACHINE
    • Publication number 20180347598
    • Publication date Dec 6, 2018
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Akihiro KONDO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    APPARATUS AND METHODS FOR THE CONTROL OF HYDRAULIC ACTUATORS
    • Publication number 20180180066
    • Publication date Jun 28, 2018
    • NATIONAL OILWELL VARCO NORWAY AS
    • Michael RYGAARD HANSEN
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    OPERATION DEVICE AND HYDRAULIC SYSTEM
    • Publication number 20180142709
    • Publication date May 24, 2018
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Akihiro KONDO
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC ACTUATOR CONTROL SYSTEM
    • Publication number 20180073524
    • Publication date Mar 15, 2018
    • HydraForce, Inc.
    • Travis Schmidt
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CONTROL SYSTEM
    • Publication number 20180002898
    • Publication date Jan 4, 2018
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Sang Hee LEE
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC PUMP CONTROL APPARATUS FOR CONSTRUCTION EQUIPMENT AND CON...
    • Publication number 20170350096
    • Publication date Dec 7, 2017
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Sung-Yong JO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL DEVICE FOR HYDRAULIC TRAVELING DEVICE
    • Publication number 20170241448
    • Publication date Aug 24, 2017
    • TAKEUCHI MFG. CO., LTD.
    • Hiroki KONDO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC SYSTEM FOR WORK MACHINE, AND WORK MACHINE
    • Publication number 20170107695
    • Publication date Apr 20, 2017
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Working machine having a hydraulically operated implement
    • Publication number 20170073924
    • Publication date Mar 16, 2017
    • CNH INDUSTRIAL AMERICA LLC
    • Adriano Garramone
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINERY HAVING FLOATING FUNCTI...
    • Publication number 20160333551
    • Publication date Nov 17, 2016
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Hea-Gyoon JOUNG
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINE
    • Publication number 20160160883
    • Publication date Jun 9, 2016
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Hea-Gyoon JOUNG
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SLEWING TYPE WORKING MACHINE
    • Publication number 20140331664
    • Publication date Nov 13, 2014
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • Yusuke Kamimura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    POWER REGENERATION DEVICE FOR WORKING MACHINE AND WORKING MACHINE
    • Publication number 20140283509
    • Publication date Sep 25, 2014
    • Seiji Hijikata
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PILOT PUMP SOURCED PEAK SHAVING FOR HYBRID HYDRAULIC CIRCUITS
    • Publication number 20140223893
    • Publication date Aug 14, 2014
    • Caterpillar Inc.
    • Jeremy Todd Peterson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SLEWING TYPE CONSTRUCTION MACHINE
    • Publication number 20140190159
    • Publication date Jul 10, 2014
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • Kazuharu Tajima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINERY
    • Publication number 20140090368
    • Publication date Apr 3, 2014
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Sang-Ki Bae
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    WORK VEHICLE AND WORK VEHICLE CONTROL METHOD
    • Publication number 20140060026
    • Publication date Mar 6, 2014
    • Komatsu Ltd.
    • Manabu Himoto
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SLEWING TYPE WORKING MACHINE
    • Publication number 20140044514
    • Publication date Feb 13, 2014
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • Yusuke Kamimura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING