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Johan Haga

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  • Kolbotn, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fan including a plurality of spaced fan bodies
    • Patent number 7,357,617
    • Issue date Apr 15, 2008
    • Johan Haga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring compressor
    • Patent number 7,066,718
    • Issue date Jun 27, 2006
    • Roto International AS
    • Johan Haga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotating heat pump
    • Patent number 5,901,568
    • Issue date May 11, 1999
    • Haga Engineering AS
    • Johan Haga
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents