TREA

Arto Ahvenainen

Follow

Person

  • Varkaus, FI
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Cooler for rotary kilns
    • Patent number 6,419,481
    • Issue date Jul 16, 2002
    • Andritz Oy
    • Arto Ahvenainen
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Method of sealing a rotary drum connection
    • Patent number 6,418,637
    • Issue date Jul 16, 2002
    • Andritz-Ahlstrom Oy
    • Arto Ahvenainen
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Lime sludge feed arrangement
    • Patent number 5,989,018
    • Issue date Nov 23, 1999
    • Ahlstrom Machinery Oy
    • Arto Ahvenainen
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Feeding system for a lime reburning kiln
    • Patent number 5,213,496
    • Issue date May 25, 1993
    • A. Ahlstrom Corporation
    • Arto J. Ahvenainen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Method and burner for rotary kilns
    • Publication number 20060105277
    • Publication date May 18, 2006
    • Hannu Nikunen
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Cooler for rotary kilns
    • Publication number 20010036613
    • Publication date Nov 1, 2001
    • ANDRITZ-AHLSTROM OY
    • Arto Ahvenainen
    • F27 - FURNACES KILNS OVENS RETORTS