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a secondary valve member sliding within the main spool

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  • CPC
  • F15B13/0403
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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 F15B13/00Details of servomotor systems ; Valves for servomotor systems

Current Industry

F15B13/0403a secondary valve member sliding within the main spool
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    REGENERATION VALVE FOR A HYDRAULIC CIRCUIT
    • Publication number 20200299932
    • Publication date Sep 24, 2020
    • Caterpillar Inc.
    • John Ferraz
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    MODE VALVE ASSEMBLY
    • Publication number 20190161172
    • Publication date May 30, 2019
    • Goodrich Actuation Systems SAS
    • Jérôme SOCHELEAU
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVING DEVICE OF INDUSTRIAL VEHICLE
    • Publication number 20190040879
    • Publication date Feb 7, 2019
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuki UEDA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Proportional Sequence Valve with Pressure Amplification Device
    • Publication number 20190032682
    • Publication date Jan 31, 2019
    • Parker-Hannifin Corporation
    • Jarmo Antero Harsia
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC SECTIONAL CONTROL VALVE WITH MULTIPLE RELIEF SLOTS
    • Publication number 20170023026
    • Publication date Jan 26, 2017
    • Gregory Coolidge
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC VALVE SYSTEM FOR ACTUATING AT LEAST ONE SHIFTING ELEMENT...
    • Publication number 20130126766
    • Publication date May 23, 2013
    • ZF Friedrichshafen AG
    • Josef HAUPT
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CONTROL VALVE HAVING A PILOT PISTON WITH FOUR CONTROL EDG...
    • Publication number 20120192975
    • Publication date Aug 2, 2012
    • Parker Hannlfin Manufacturing Germany GmbH & Co., KG
    • THOMAS LEHNER
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC DRIVE DEVICE HAVING TWO PRESSURE CHAMBERS AND METHOD FOR...
    • Publication number 20110271667
    • Publication date Nov 10, 2011
    • VOITH PATENT GmbH
    • Hubert Schaber
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SOLENOID VALVE
    • Publication number 20100301248
    • Publication date Dec 2, 2010
    • Aisin AW Co., Ltd.
    • Haruki Yamamoto
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VALVE UNIT
    • Publication number 20100236652
    • Publication date Sep 23, 2010
    • Nabtesco Corporation
    • Masakazu HATTORI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Actuator Control Device
    • Publication number 20090282825
    • Publication date Nov 19, 2009
    • Kayaba Industry Co., Ltd.
    • Kazumi Oosima
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    HYDRAULIC VALVE ASSEMBLY
    • Publication number 20090217983
    • Publication date Sep 3, 2009
    • ROBERT BOSCH GmbH
    • Wolfgang Kauss
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ACTUATOR SYSTEM
    • Publication number 20090173901
    • Publication date Jul 9, 2009
    • Luc P. Cyrot
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CONTROL VALVE FOR HEAVY EQUIPMENT
    • Publication number 20090101854
    • Publication date Apr 23, 2009
    • VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB
    • Man Suk Jeon
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DISTRIBUTOR PROVIDED WITH A DEVICE FOR DETECTING SEIZING
    • Publication number 20080289487
    • Publication date Nov 27, 2008
    • EUROCOPTER
    • Damien Sequera
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Fluid-control system
    • Publication number 20070157979
    • Publication date Jul 12, 2007
    • Caterpillar Inc.
    • Mark Phillip Vonderwell
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic distributor with torque slits
    • Publication number 20060137751
    • Publication date Jun 29, 2006
    • Bosch Rexroth D.S.I.
    • Armin Steinhilber
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic control valve with regeneration function
    • Publication number 20060081299
    • Publication date Apr 20, 2006
    • VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB
    • Bon Seok Koo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Flow control apparatus
    • Publication number 20050194043
    • Publication date Sep 8, 2005
    • TOYODA KOKI KABUSHIKI KAISHA
    • Noriyuki Okamoto
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Redundant flow control for hydraulic actuator systems
    • Publication number 20050132877
    • Publication date Jun 23, 2005
    • Kenneth E. Hart
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Method and device for flow switchover
    • Publication number 20050039803
    • Publication date Feb 24, 2005
    • LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
    • Eugen Kremer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Method of controlling a swinging boom and apparatus for controlling...
    • Publication number 20040226292
    • Publication date Nov 18, 2004
    • Sauer-Danfoss Inc.
    • Nianzhu Luo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Change-over valve for boom cylinder of excavating/slewing work truck
    • Publication number 20040093769
    • Publication date May 20, 2004
    • Masami Kondou
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic circuit for boom cylinder combination having float function
    • Publication number 20030230082
    • Publication date Dec 18, 2003
    • VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB
    • Jin Wook Kim
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    PILOT OPERATED PNEUMATIC VALVE
    • Publication number 20030047222
    • Publication date Mar 13, 2003
    • James A. Neff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...