TREA

Heikki Manninen

Follow

Person

  • Ummeljoki, FI
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for pumping gas-containing fiber suspensions
    • Patent number 5,711,789
    • Issue date Jan 27, 1998
    • A. Ahlstrom Corporation
    • Jorma Elonen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus and method for pumping a liquid
    • Patent number 5,324,166
    • Issue date Jun 28, 1994
    • A. Ahlstrom / A Finnish Corporation
    • Jorma Elonen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus for improving flotation separation
    • Patent number 5,240,621
    • Issue date Aug 31, 1993
    • A. Ahlstrom Corporation
    • Jorma Elonen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Attaching arrangement
    • Patent number 4,863,353
    • Issue date Sep 5, 1989
    • A. Ahlstrom Corporation
    • Heikki Manninen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...