TREA

Systems using center bypass type changeover valves

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  • E02F9/2282
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EFIXED CONSTRUCTIONS E02Hydraulic engineering E02FDREDGING SOIL-SHIFTING E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00

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E02F9/2282Systems using center bypass type changeover valves
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Work machine
    • Patent number 11,946,492
    • Issue date Apr 2, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi Hoshino
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • 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 control device for work machine
    • Patent number 11,885,105
    • Issue date Jan 30, 2024
    • Kobelco Construction Machinery Co., Ltd.
    • Masaki Nagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Drift-prevention valve device, blade device, and working machine
    • Patent number 11,885,099
    • Issue date Jan 30, 2024
    • Caterpillar SARL
    • Shuhei Orimoto
    • 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

    Excavator
    • Patent number 11,828,045
    • Issue date Nov 28, 2023
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Youji Misaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Shovel
    • Patent number 11,781,288
    • Issue date Oct 10, 2023
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Riichi Nishikawara
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control valve of hydraulic system for working machine
    • Patent number 11,767,660
    • Issue date Sep 26, 2023
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,739,502
    • Issue date Aug 29, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • 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 for working machine
    • Patent number 11,680,386
    • Issue date Jun 20, 2023
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system of construction machine
    • Patent number 11,655,613
    • Issue date May 23, 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

    Shovel having boom raising assisting function using attachment info...
    • Patent number 11,619,030
    • Issue date Apr 4, 2023
    • Sumitomo(S.H.I) Construction Machinery Co., Ltd.
    • Youji Misaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Boom control system for a construction machine
    • Patent number 11,585,068
    • Issue date Feb 21, 2023
    • Caterpillar SARL
    • Hideki Nakajima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive device for traveling work machine
    • Patent number 11,542,963
    • Issue date Jan 3, 2023
    • Kobelco Construction Machinery Co., Ltd.
    • Koji Ueda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Valve apparatus and fluid pressure system equipped therewith
    • Patent number 11,428,333
    • Issue date Aug 30, 2022
    • Caterpillar SARL
    • Shuhei Orimoto
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic control circuit for working machine
    • Patent number 11,421,715
    • Issue date Aug 23, 2022
    • Caterpillar SARL
    • Hideki Nakajima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system for working machine and control valve
    • Patent number 11,396,738
    • Issue date Jul 26, 2022
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Systems and methods for bypass of hydraulic charge circuits
    • Patent number 11,384,834
    • Issue date Jul 12, 2022
    • Clark Equipment Company
    • Douglas Kallas
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Working machine
    • Patent number 11,353,048
    • Issue date Jun 7, 2022
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system for working machine
    • Patent number 11,346,076
    • Issue date May 31, 2022
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,313,105
    • Issue date Apr 26, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi Ogawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Dozer blade attachment control system and apparatus for a compact t...
    • Patent number 11,299,866
    • Issue date Apr 12, 2022
    • Deere & Company
    • John Mahrenholz
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system of working machine
    • Patent number 11,255,353
    • Issue date Feb 22, 2022
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 11,230,819
    • Issue date Jan 25, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Ryohei Yamashita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic system for working machine
    • Patent number 11,215,201
    • Issue date Jan 4, 2022
    • Kubota Corporation
    • Yuji Fukuda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system for work machine
    • Patent number 11,208,787
    • Issue date Dec 28, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Masayuki Hagiwara
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Stick control system in construction machine
    • Patent number 11,162,245
    • Issue date Nov 2, 2021
    • Caterpillar SARL
    • Hideki Nakajima
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system of construction machine
    • Patent number 11,085,173
    • Issue date Aug 10, 2021
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • 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

    Work Machine
    • Publication number 20230304262
    • Publication date Sep 28, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Tarou AKITA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230184265
    • Publication date Jun 15, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi HOSHINO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230167622
    • Publication date Jun 1, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20230085676
    • Publication date Mar 23, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Seiji HIJIKATA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC CONTROL DEVICE FOR WORK MACHINE
    • Publication number 20220356679
    • Publication date Nov 10, 2022
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • Masaki NAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220333348
    • Publication date Oct 20, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL VALVE OF HYDRAULIC SYSTEM FOR WORKING MACHINE
    • Publication number 20220298754
    • Publication date Sep 22, 2022
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Flow Control Valve
    • Publication number 20220170241
    • Publication date Jun 2, 2022
    • Shohei KAWASUMI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SHOVEL
    • Publication number 20220154429
    • Publication date May 19, 2022
    • SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
    • Riichi NISHIKAWARA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC CONTROL CIRCUIT FOR WORKING MACHINE
    • Publication number 20220112688
    • Publication date Apr 14, 2022
    • CATERPILLAR S.A.R.L.
    • Hideki NAKAJIMA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEM FOR WORKING MACHINE
    • Publication number 20220090611
    • Publication date Mar 24, 2022
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WORKING MACHINE
    • Publication number 20220049464
    • Publication date Feb 17, 2022
    • KUBOTA CORPORATION
    • Yuji FUKUDA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    FILTER FOR A HYDRAULIC CIRCUIT OF AN AGRICULTURAL SYSTEM
    • Publication number 20210363731
    • Publication date Nov 25, 2021
    • CNH Industrial America LLC
    • Heath A. Toennies
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20210332562
    • Publication date Oct 28, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Yuichi OGAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20210324602
    • Publication date Oct 21, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Ryohei YAMASHITA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SHOVEL AND CONTROL METHOD THEREOF
    • Publication number 20210198865
    • Publication date Jul 1, 2021
    • Sumitomo Heavy Industries, Ltd.
    • Chunnan WU
    • G01 - MEASURING TESTING
  • Information Patent Application

    SYSTEMS AND METHODS FOR BYPASS OF HYDRAULIC CHARGE CIRCUITS
    • Publication number 20210189692
    • Publication date Jun 24, 2021
    • CLARK EQUIPMENT COMPANY
    • Douglas Kallas
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    DOZER BLADE ATTACHMENT CONTROL SYSTEM AND APPARATUS FOR A COMPACT T...
    • Publication number 20210087782
    • Publication date Mar 25, 2021
    • Deere & Company
    • JOHN MAHRENHOLZ
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WORK MACHINE
    • Publication number 20200232188
    • Publication date Jul 23, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Takaaki CHIBA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Boom Control System For A Construction Machine
    • Publication number 20200199842
    • Publication date Jun 25, 2020
    • CATERPILLAR S.A.R.L.
    • Hideki NAKAJIMA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    STICK CONTROL SYSTEM IN CONSTRUCTION MACHINE
    • Publication number 20200190770
    • Publication date Jun 18, 2020
    • CATERPILLAR S.A.R.L.
    • HIDEKI NAKAJIMA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Control System For Auxiliary Power Source
    • Publication number 20200123739
    • Publication date Apr 23, 2020
    • UUSI, LLC
    • Curtis M. Lizotte
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC SYSTEM FOR WORKING MACHINE
    • Publication number 20200048859
    • Publication date Feb 13, 2020
    • KUBOTA CORPORATION
    • Daiki ABE
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SYSTEM FOR CONTROLLING CONSTRUCTION MACHINE AND METHOD FOR CONTROLL...
    • Publication number 20200040917
    • Publication date Feb 6, 2020
    • Doosan Infracore Co., Ltd.
    • Woo-Yong JUNG
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SHOVEL
    • Publication number 20190390444
    • Publication date Dec 26, 2019
    • SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
    • Youji MISAKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20190292753
    • Publication date Sep 26, 2019
    • Hitachi Construction Machinery Tierra Co., Ltd.
    • Daisuke OKA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE AND HYDRAULIC SYSTEM FOR WORK MACHINE
    • Publication number 20190249390
    • Publication date Aug 15, 2019
    • KUBOTA CORPORATION
    • Jun TOMITA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SYSTEM AND METHOD FOR CONTROLLING CONSTRUCTION MACHINE
    • Publication number 20190234050
    • Publication date Aug 1, 2019
    • Doosan Infracore Co., Ltd.
    • Chang-mook KIM
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SAFETY SYSTEM FOR CONSTRUCTION MACHINE
    • Publication number 20190226180
    • Publication date Jul 25, 2019
    • Doosan Infracore Co., Ltd.
    • Ki Yong KIM
    • B60 - VEHICLES IN GENERAL