TREA

Arnold Englund

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  • Vallingby, SW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Screw compressor control means
    • Patent number 4,042,310
    • Issue date Aug 16, 1977
    • Svenska Rotor Maskiner Aktiebolag
    • Hjalmar Schibbye
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw rotor machine with spring and fluid biased balancing pistons
    • Patent number 3,932,073
    • Issue date Jan 13, 1976
    • Svenska Rotor Maskiner Aktiebolag
    • Hjalmar Schibbye
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES