TREA

with four or more positions

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Industry

  • CPC
  • F15B2013/0413
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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

Current Industry

F15B2013/0413with four or more positions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Failsafe valve for geared rotary actuator
    • Patent number 11,926,408
    • Issue date Mar 12, 2024
    • Moog Inc.
    • Lowell Van Lund Larson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Redundant electrohydraulic positioning control system
    • Patent number 11,572,901
    • Issue date Feb 7, 2023
    • Woodward, Inc.
    • Jonathan Paul Workman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Spool valve device and spool valve
    • Patent number 11,473,698
    • Issue date Oct 18, 2022
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Hideki Tanaka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Failsafe electro-hydraulic servo valve
    • Patent number 11,473,598
    • Issue date Oct 18, 2022
    • Woodward, Inc.
    • Jordan Loren Loos
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Automatic air bleeding system for hydraulics
    • Patent number 11,391,302
    • Issue date Jul 19, 2022
    • Woodward, Inc.
    • Krzysztof Sutkowski
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control valve unit
    • Patent number 11,371,620
    • Issue date Jun 28, 2022
    • Deere & Company
    • Michael Meid
    • 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
  • Information Patent Grant

    Hydraulic control valve unit
    • Patent number 10,955,057
    • Issue date Mar 23, 2021
    • Deere & Company
    • Michael Meid
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control valve
    • Patent number 10,641,297
    • Issue date May 5, 2020
    • Robert Bosch GmbH
    • Roger A. Webel
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve assembly with two spool valves
    • Patent number 10,385,980
    • Issue date Aug 20, 2019
    • ROSS EUROPA GMBH
    • Johannes Hartwig
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve group and inlet module of a valve group
    • Patent number 9,810,329
    • Issue date Nov 7, 2017
    • Danfoss Power Solutions APS
    • Frede Callesen
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Travel control valve
    • Patent number 9,551,361
    • Issue date Jan 24, 2017
    • KYB Corporation
    • Takeshi Fujiwara
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • 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

    Spool-type hydraulic directional control valve having reduced cavit...
    • Patent number 6,915,730
    • Issue date Jul 12, 2005
    • Deere & Company
    • Mark John Cherney
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control apparatus for controlling hydraulic cylinder for...
    • Patent number 6,871,575
    • Issue date Mar 29, 2005
    • Kubota Corporation
    • Isao Korogi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic valve arrangement with locking function
    • Patent number 6,427,721
    • Issue date Aug 6, 2002
    • Sauer-Danfoss (Nordberg) A/S
    • Siegfried Zenker
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic valve arrangement with locking and floating function
    • Patent number 6,220,289
    • Issue date Apr 24, 2001
    • Danfoss Fluid Power A/S
    • Siegfried Zenker
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Rotary directional valve with integral load holding check
    • Patent number 6,182,697
    • Issue date Feb 6, 2001
    • Eaton Corporation
    • Scott M. Parker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid control system having float control
    • Patent number 6,173,639
    • Issue date Jan 16, 2001
    • Caterpillar Inc.
    • Michael A. A'Hearn
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid control system with regeneration
    • Patent number 6,161,467
    • Issue date Dec 19, 2000
    • Caterpillar Inc.
    • Michael A. A'Hearn
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Lower and float capability in four position control valve
    • Patent number 5,992,454
    • Issue date Nov 30, 1999
    • Eaton Corporation
    • Jerry D. Schrag
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pneumatically controlled, four position hydraulic valve
    • Patent number 4,355,660
    • Issue date Oct 26, 1982
    • General Signal Corporation
    • Theron M. Huffman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Load responsive control valve
    • Patent number 4,290,449
    • Issue date Sep 22, 1981
    • Tadeusz Budzich
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Load responsive control valve
    • Patent number 4,200,118
    • Issue date Apr 29, 1980
    • Tadeusz Budzich
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3680588
    • Patent number 3,680,588
    • Issue date Aug 1, 1972
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3357451
    • Patent number 3,357,451
    • Issue date Dec 12, 1967
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3267961
    • Patent number 3,267,961
    • Issue date Aug 23, 1966
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3093116
    • Patent number 3,093,116
    • Issue date Jun 11, 1963
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    2619118
    • Patent number 2,619,118
    • Issue date Nov 25, 1952
    • B30 - PRESSES

Patents Applicationslast 30 patents