TREA

Welm Friedrichsen

Follow

Person

  • Nordborg, DK
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump device
    • Patent number 10,590,920
    • Issue date Mar 17, 2020
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump arrangement
    • Patent number 10,495,074
    • Issue date Dec 3, 2019
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reverse osmosis system
    • Patent number 9,821,273
    • Issue date Nov 21, 2017
    • Danfoss A/S
    • Welm Friedrichsen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Reverse osmosis system
    • Patent number 9,416,795
    • Issue date Aug 16, 2016
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve arrangement
    • Patent number 8,444,110
    • Issue date May 21, 2013
    • Danfoss A/S
    • Verner Smidt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vehicle hydraulic driving system
    • Patent number 6,688,419
    • Issue date Feb 10, 2004
    • Sauer-Danfoss Holding A/S
    • Uffe Lykke Eriksen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Device for attenuating the pitching of an engine-driven vehicle
    • Patent number 6,654,675
    • Issue date Nov 25, 2003
    • Sauer-Danfoss Holding A/S
    • Søren Pedersen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic machine
    • Patent number 6,619,937
    • Issue date Sep 16, 2003
    • Sauer-Danfoss Holding A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic driving device and system for a vehicle
    • Patent number 6,594,993
    • Issue date Jul 22, 2003
    • Danfoss A/S
    • Welm Friedrichsen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic motor
    • Patent number 6,158,993
    • Issue date Dec 12, 2000
    • Danfoss Fluid Power A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Add-in device for a hydraulic control arrangement
    • Patent number 5,778,930
    • Issue date Jul 14, 1998
    • Danfoss A/S
    • Welm Friedrichsen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Steering system for vehicles or ships
    • Patent number 5,747,950
    • Issue date May 5, 1998
    • Danfoss A/S
    • Welm Friedrichsen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Hydraulic system
    • Patent number 5,701,795
    • Issue date Dec 30, 1997
    • Danfoss A/S
    • Welm Friedrichsen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Controlled proportional valve
    • Patent number 5,660,096
    • Issue date Aug 26, 1997
    • Danfoss A/S
    • Welm Friedrichsen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system with pump and load
    • Patent number 5,493,861
    • Issue date Feb 27, 1996
    • Danfoss A/S
    • Welm Friedrichsen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system with pump and load
    • Patent number 5,452,579
    • Issue date Sep 26, 1995
    • Danfoss A/S
    • Welm Friedrichsen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    WATER-HYDRAULIC MACHINE
    • Publication number 20160377066
    • Publication date Dec 29, 2016
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ARRANGEMENT
    • Publication number 20160131116
    • Publication date May 12, 2016
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20160131119
    • Publication date May 12, 2016
    • Danfoss A/S
    • Welm Friedrichsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE ARRANGEMENT
    • Publication number 20130306887
    • Publication date Nov 21, 2013
    • Danfoss A/S
    • Verner Smidt
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    REVERSE OSMOSIS SYSTEM
    • Publication number 20130037464
    • Publication date Feb 14, 2013
    • Danfoss A/S
    • Welm Friedrichsen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    REVERSE OSMOSIS SYSTEM
    • Publication number 20110203987
    • Publication date Aug 25, 2011
    • Danfoss A/S
    • Welm Friedrichsen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VALVE ARRANGEMENT
    • Publication number 20110000555
    • Publication date Jan 6, 2011
    • Danfoss A/S
    • Verner Smidt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Device for attenuating the pitching of an engine-driven vehicle
    • Publication number 20030014167
    • Publication date Jan 16, 2003
    • Soren Pedersen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Vehicle hydraulic driving system
    • Publication number 20020070068
    • Publication date Jun 13, 2002
    • Uffe Lykke Eriksen
    • B60 - VEHICLES IN GENERAL