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Bertil Lundgren

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  • Bjartra, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dynamic open center hydraulic system control
    • Patent number 11,408,147
    • Issue date Aug 9, 2022
    • Nordhydraulic AB
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Open center hydraulic system and valve
    • Patent number 11,168,464
    • Issue date Nov 9, 2021
    • Nordhydraulic AB
    • Bertil Lundgren
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve device
    • Patent number 9,869,074
    • Issue date Jan 16, 2018
    • Nordhydraulic AB
    • Bo Andersson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method and device for controlling a hydraulic system
    • Patent number 8,935,919
    • Issue date Jan 20, 2015
    • Nordhydraulic AB
    • Bo Andersson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic main valve and auxiliary valve
    • Patent number 8,905,077
    • Issue date Dec 9, 2014
    • Bertil Lundgren
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve fastening means
    • Patent number 8,707,984
    • Issue date Apr 29, 2014
    • Nordhydraulic AB
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic connection
    • Patent number 8,585,098
    • Issue date Nov 19, 2013
    • Nordhydraulic AB
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Holding means for a hydraulic coupling
    • Patent number 8,262,136
    • Issue date Sep 11, 2012
    • Nordhydraulic AB
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Wire attachment
    • Patent number 8,176,810
    • Issue date May 15, 2012
    • Nordhydraulic AB
    • Bertil Lundgren
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    OPEN CENTER HYDRAULIC SYSTEM AND VALVE
    • Publication number 20210148384
    • Publication date May 20, 2021
    • NORDHYDRAULIC AB
    • Bertil LUNDGREN
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    DYNAMIC OPEN CENTER HYDRAULIC SYSTEM CONTROL
    • Publication number 20200165797
    • Publication date May 28, 2020
    • NORDHYDRAULIC AB
    • Bertil LUNDGREN
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Main Valve and Auxillary Valve
    • Publication number 20120125459
    • Publication date May 24, 2012
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Method and Device for Controlling a Hydraulic System
    • Publication number 20120090690
    • Publication date Apr 19, 2012
    • Bo Andersson
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Valve Device
    • Publication number 20120085946
    • Publication date Apr 12, 2012
    • Bo Andersson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    VALVE FASTENING MEANS
    • Publication number 20110036419
    • Publication date Feb 17, 2011
    • NORDHYDRAULIC AB
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WIRE ATTACHMENT
    • Publication number 20110030498
    • Publication date Feb 10, 2011
    • Bertil Lundgren
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC CONNECTION
    • Publication number 20100066076
    • Publication date Mar 18, 2010
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HOLDING MEANS FOR A HYDRAULIC COUPLING
    • Publication number 20100001144
    • Publication date Jan 7, 2010
    • Bertil Lundgren
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING