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Tapio Peroaho

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  • Tavastila, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal pump
    • Patent number 5,152,663
    • Issue date Oct 6, 1992
    • A. Ahlstrom Corporation
    • Tapio Peroaho
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Centrifugal pump with sealing means
    • Patent number 5,114,310
    • Issue date May 19, 1992
    • A. Ahlstrom Corporation
    • Harold Haavik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump having tapered blades and housing
    • Patent number 5,078,573
    • Issue date Jan 7, 1992
    • A. Ahlstrom Corporation
    • Tapio Peroaho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...