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Hannu J. Harjuhahto

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  • Porvoo, FI
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Patents Applicationslast 30 patents

  • Information Patent Application

    Extrusion Process
    • Publication number 20070296123
    • Publication date Dec 27, 2007
    • MAILLEFER S.A..
    • Hannu Harjuhahto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Method in an extrusion process, an extrusion process and an apparat...
    • Publication number 20050179163
    • Publication date Aug 18, 2005
    • MAILLEFER S.A..
    • Hannu J. Harjuhahto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL