TREA

Pilot pressure control

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  • CPC
  • F15B2211/355
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Parent Industries

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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F15B2211/355Pilot pressure control
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve calibration system and calibration method
    • Patent number 12,163,539
    • Issue date Dec 10, 2024
    • Caterpillar SARL
    • Hideki Nakajima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system
    • Patent number 12,066,042
    • Issue date Aug 20, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Jun Okamura
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Air cylinder, head cover, and rod cover
    • Patent number 11,959,500
    • Issue date Apr 16, 2024
    • SMC Corporation
    • Youji Takakuwa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system
    • Patent number 11,927,205
    • Issue date Mar 12, 2024
    • Komatsu Ltd.
    • Yuichi Hishinuma
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system
    • Patent number 11,753,801
    • Issue date Sep 12, 2023
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • 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

    Work machine and control method
    • Patent number 11,719,335
    • Issue date Aug 8, 2023
    • Komatsu Ltd.
    • Akira Nakashima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system of construction machine
    • Patent number 11,697,918
    • Issue date Jul 11, 2023
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • 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

    Hydraulic system of work machine and work machine
    • Patent number 11,644,098
    • Issue date May 9, 2023
    • Kubota Corporation
    • Yuji Fukuda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic circuit
    • Patent number 11,603,645
    • Issue date Mar 14, 2023
    • Volvo Construction Equipment AB
    • Dongwook Kim
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Material moving machines and pilot hydraulic switching systems for...
    • Patent number 11,466,426
    • Issue date Oct 11, 2022
    • Caterpillar Trimble Control Technologies LLC
    • Kyle Davis
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,454,004
    • Issue date Sep 27, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • 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

    Flow controller and driving apparatus including the same
    • Patent number 11,339,806
    • Issue date May 24, 2022
    • SMC Corporation
    • Akiho Nishimura
    • 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 system in work machine
    • Patent number 11,280,064
    • Issue date Mar 22, 2022
    • Kubota Corporation
    • Yuji Fukuda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control valve
    • Patent number 11,255,354
    • Issue date Feb 22, 2022
    • KYB Corporation
    • Toshiyuki Kitani
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Methods and apparatus to enable boom bounce reduction and prevent u...
    • Patent number 11,209,027
    • Issue date Dec 28, 2021
    • EATON INTELLIGENT POWER LIMITED
    • Meng Wang
    • B66 - HOISTING LIFTING HAULING
  • 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

    Fluid pressure control device
    • Patent number 11,047,400
    • Issue date Jun 29, 2021
    • KYB Corporation
    • Masanari Kojima
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Working machine
    • Patent number 11,001,990
    • Issue date May 11, 2021
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pump-controlled hydraulic circuits for operating a differential hyd...
    • Patent number 10,927,856
    • Issue date Feb 23, 2021
    • University of Manitoba
    • Ahmed A. Imam
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system of work machine and work machine
    • Patent number 10,900,562
    • Issue date Jan 26, 2021
    • Kubota Corporation
    • Yuji Fukuda
    • B60 - VEHICLES 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 system for working machine
    • Patent number 10,711,438
    • Issue date Jul 14, 2020
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system in work machine
    • Patent number 10,662,980
    • Issue date May 26, 2020
    • Kubota Corporation
    • Yuji Fukuda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system for construction machine
    • Patent number 10,655,647
    • Issue date May 19, 2020
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Yoshifumi Takebayashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system of work machine and work machine
    • Patent number 10,641,388
    • Issue date May 5, 2020
    • Kubota Corporation
    • Yuji Fukuda
    • B60 - VEHICLES 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

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE CALIBRATION SYSTEM AND CALIBRATION METHOD
    • Publication number 20230078399
    • Publication date Mar 16, 2023
    • CATERPILLAR S.A.R.L.
    • Hideki Nakajima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    AIR CYLINDER, HEAD COVER, AND ROD COVER
    • Publication number 20220349426
    • Publication date Nov 3, 2022
    • SMC Corporation
    • Youji TAKAKUWA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC SYSTEM IN WORK MACHINE
    • Publication number 20220154428
    • Publication date May 19, 2022
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • 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

    HYDRAULIC SYSTEM OF WORK MACHINE AND WORK MACHINE
    • Publication number 20210102626
    • Publication date Apr 8, 2021
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC CIRCUIT
    • Publication number 20200362537
    • Publication date Nov 19, 2020
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Dongwook Kim
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CONTROL VALVE
    • Publication number 20200318747
    • Publication date Oct 8, 2020
    • KYB Corporation
    • Toshiyuki KITANI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC SYSTEM IN WORK MACHINE
    • Publication number 20200240439
    • Publication date Jul 30, 2020
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC SYSTEM OF WORK MACHINE AND WORK MACHINE
    • Publication number 20200224764
    • Publication date Jul 16, 2020
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    METHODS AND APPARATUS TO ENABLE BOOM BOUNCE REDUCTION AND PREVENT U...
    • Publication number 20200003239
    • Publication date Jan 2, 2020
    • Eaton Intelligent Power Limited
    • Meng WANG
    • E04 - BUILDING
  • 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 IN WORK MACHINE
    • Publication number 20190101139
    • Publication date Apr 4, 2019
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Pump-Controlled Hydraulic Circuits for Operating a Differential Hyd...
    • Publication number 20180266447
    • Publication date Sep 20, 2018
    • University of Manitoba
    • Ahmed A. Imam
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINE
    • Publication number 20180156242
    • Publication date Jun 7, 2018
    • HITACHI CONSTRUCTION MACHINERY TIERRA CO., LTD.
    • Yoshifumi TAKEBAYASHI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM OF CONSTRUCTION MACHINE
    • Publication number 20170342685
    • Publication date Nov 30, 2017
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Akihiro KONDO
    • 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

    FLOW CONTROL VALVE FOR CONSTRUCTION MACHINERY
    • Publication number 20150159678
    • Publication date Jun 11, 2015
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Jin-Wook Kim
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FLUID PRESSURE CONTROL DEVICE
    • Publication number 20150096291
    • Publication date Apr 9, 2015
    • Kayaba Industry Co., Ltd.
    • Tooru Takeuchi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYBRID CONSTRUCTION MACHINE
    • Publication number 20150033727
    • Publication date Feb 5, 2015
    • Kayaba Industry Co., Ltd.
    • Shunsuke Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC CYLINDER FOR USE FOR EXAMPLE IN A HYDRAULIC TOOL
    • Publication number 20140360349
    • Publication date Dec 11, 2014
    • DEMOLITION AND RECYCLING EQUIPMENT B.V.
    • Gertrudis Maria Gerardus De Gier
    • 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

    ELECTROHYDRAULIC CONTROL VALVE
    • Publication number 20140083538
    • Publication date Mar 27, 2014
    • Kjeld Ravn
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    AIR CONTROL DEVICE AND AIR CONTROL METHOD
    • Publication number 20140069677
    • Publication date Mar 13, 2014
    • Amussis Inc.
    • Manabu SAITO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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

    HYDRAULIC CIRCUIT FOR CONTROLLING BOOMS OF CONSTRUCTION EQUIPMENT
    • Publication number 20140010688
    • Publication date Jan 9, 2014
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Sung-Gon Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ZONAL HYDRAULIC SYSTEMS AND METHODS
    • Publication number 20140000737
    • Publication date Jan 2, 2014
    • Nicholas John Hansen
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    HYDRAULIC SYSTEM FOR WORK MACHINE
    • Publication number 20130312402
    • Publication date Nov 28, 2013
    • Kubota Corporation
    • Hiroshi Horii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORKING MACHINE
    • Publication number 20130251490
    • Publication date Sep 26, 2013
    • Kubota Corporation
    • Hiroshi Horii
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC PILOT VALVE ARRANGEMENT AND HYDRAULIC VALVE ARRANGEMENT H...
    • Publication number 20130248032
    • Publication date Sep 26, 2013
    • ROBERT BOSCH GmbH
    • Stefan Schmidt
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Apparatus for Controlling Raise Speed of Working Machine for Heavy...
    • Publication number 20130055704
    • Publication date Mar 7, 2013
    • DOOSAN INDUSTRIAL VEHICLE CO., LTD
    • Chan Heo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS