Neutral or centre positions

Patents Grantslast 30 patents

  • Information Patent Grant

    Directly-controlled hydraulic directional valve

    • Patent number 11,313,389
    • Issue date Apr 26, 2022
    • Robert Bosch GmbH
    • Klaus Hoefling
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Flow control valve with load-sense signal generation

    • Patent number 11,274,752
    • Issue date Mar 15, 2022
    • Sun Hydraulics, LLC
    • Bernd Zähe
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic power control circuit and construction vehicle comprising...

    • Patent number 10,815,647
    • Issue date Oct 27, 2020
    • CNH Industrial America LLC
    • Francesco Chioccola
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Directional control valve

    • Patent number 10,156,246
    • Issue date Dec 18, 2018
    • Parker-Hannifin Corporation
    • Gregory T. Coolidge
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic system for extreme climates

    • Patent number 9,403,434
    • Issue date Aug 2, 2016
    • Posi-Plus Technologies Inc.
    • Jean-Francois St-Yves
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic valve arrangement

    • Patent number 7,328,646
    • Issue date Feb 12, 2008
    • Sauer-Danfoss ApS
    • Knud Meldgaard Jensen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic driving device

    • Patent number 6,526,747
    • Issue date Mar 4, 2003
    • Hitachi Construction Machinery Co., Ltd.
    • Kenichiro Nakatani
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Drive circuit for fluid operated actuator having high and low press...

    • Patent number 5,797,262
    • Issue date Aug 25, 1998
    • SMC Corporation
    • Wataru Omoto
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Traverse apparatus

    • Patent number 5,347,914
    • Issue date Sep 20, 1994
    • Matsushita Electric Industrial Co., Ltd.
    • Toshio Kinoshita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Load pressure duplicating circuit

    • Patent number 5,077,972
    • Issue date Jan 7, 1992
    • Caterpillar Inc.
    • Donald L. Bianchetta
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic drill, in particular a rock drill

    • Patent number 3,979,944
    • Issue date Sep 14, 1976
    • Oy Tampella AB
    • Pekka Salmi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3779136

    • Patent number 3,779,136
    • Issue date Dec 18, 1973
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3776099

    • Patent number 3,776,099
    • Issue date Dec 4, 1973
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3148506

    • Patent number 3,148,506
    • Issue date Sep 15, 1964
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2949894

    • Patent number 2,949,894
    • Issue date Aug 23, 1960
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2828610

    • Patent number 2,828,610
    • Issue date Apr 1, 1958
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2394655

    • Patent number 2,394,655
    • Issue date Feb 12, 1946
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents