Controlling a pilot pressure in response to the load

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic system for working machine

    • Patent number 11,846,090
    • Issue date Dec 19, 2023
    • Kubota Corporation
    • Yuji Fukuda
    • 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 11,655,613
    • 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

    Hydraulic system for working machine

    • Patent number 11,608,616
    • Issue date Mar 21, 2023
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,384,512
    • Issue date Jul 12, 2022
    • Komatsu Ltd.
    • Akira Nakashima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic valve with pressure limiter function

    • Patent number 11,280,354
    • Issue date Mar 22, 2022
    • Danfoss Power Solutions II Technology A/S
    • Mahesh K. Jadhav
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid circuit

    • Patent number 11,225,983
    • Issue date Jan 18, 2022
    • EAGLE INDUSTRY CO., LTD.
    • Yoshiyuki Shimada
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control device

    • Patent number 10,962,031
    • Issue date Mar 30, 2021
    • HYDAC SYSTEMS & SERVICES GMBH
    • Christoph Stoenner
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hydraulic drive device for industrial vehicle

    • Patent number 10,954,970
    • Issue date Mar 23, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Eisuke Kondo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control system for construction machine

    • Patent number 10,767,668
    • Issue date Sep 8, 2020
    • Volvo Construction Equipment AB
    • Youngjin Son
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Safety system for construction machine

    • Patent number 10,676,899
    • Issue date Jun 9, 2020
    • Doosan Infracore Co., Ltd.
    • Ki Yong Kim
    • B60 - VEHICLES 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 pump control system of hydraulic working machine

    • Patent number 10,563,377
    • Issue date Feb 18, 2020
    • Caterpillar SARL
    • Kouji Kishida
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic clamping systems having load side-shifting variably respo...

    • Patent number 10,494,241
    • Issue date Dec 3, 2019
    • Cascade Corporation
    • David W. Petronek
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Construction machine

    • Patent number 10,329,739
    • Issue date Jun 25, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Masatoshi Hoshino
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system and working machine including the same

    • Patent number 10,316,493
    • Issue date Jun 11, 2019
    • Kubota Corporation
    • Yuji Fukuda
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drive system

    • Patent number 10,260,531
    • Issue date Apr 16, 2019
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Akihiro Kondo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic circuit for loader

    • Patent number 10,087,604
    • Issue date Oct 2, 2018
    • Nabtesco Corporation
    • Mayu Sasaoka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic unit

    • Patent number 10,041,508
    • Issue date Aug 7, 2018
    • Weber-Hydraulik GmbH
    • Johann Schmollngruber
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system for construction machine

    • Patent number 9,890,801
    • Issue date Feb 13, 2018
    • Hitachi Construction Machinery Tierra Co., Ltd.
    • Kiwamu Takahashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Apparatus and method for controlling preferential function of const...

    • Patent number 9,784,266
    • Issue date Oct 10, 2017
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Sang-Ho Bang
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve for valve assembly

    • Patent number 9,677,575
    • Issue date Jun 13, 2017
    • Hydac Fluidtechnik GmbH
    • Philipp Hilzendegen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Continuously adjustable control management for a hydraulic track sy...

    • Patent number 9,518,655
    • Issue date Dec 13, 2016
    • Deere & Company
    • Calin Raszga
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control apparatus

    • Patent number 9,353,772
    • Issue date May 31, 2016
    • KYB Corporation
    • Takeshi Fujiwara
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Materials handling vehicle having a manifold located on a power uni...

    • Patent number 9,290,366
    • Issue date Mar 22, 2016
    • Crown Equipment Corporation
    • William C. Jones
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Apparatus for controlling raise speed of working machine for heavy...

    • Patent number 8,997,477
    • Issue date Apr 7, 2015
    • Doosan Corporation
    • Chan Heo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system

    • Patent number 8,701,396
    • Issue date Apr 22, 2014
    • J.C. Bamford Excavators Limited
    • Harishchandra M. Narotham
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method for operating a hydraulic system, and hydraulic system

    • Patent number 8,661,809
    • Issue date Mar 4, 2014
    • HYDAC FILTERTECHNIK GMBH
    • Winfried Rüb
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control assembly

    • Patent number 8,281,583
    • Issue date Oct 9, 2012
    • Robert Bosch GmbH
    • Wolfgang Kauss
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents