TREA

Petri Erkki Michael Makkonen

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  • Helsinki, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Locking arrangement
    • Patent number 7,503,600
    • Issue date Mar 17, 2009
    • Abloy Oy
    • Pekka Hautala
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Planetary gear transmission with variable ratio
    • Patent number 6,527,671
    • Issue date Mar 4, 2003
    • Prorauta
    • Seppo Lauri Paalasmaa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Locking arrangement
    • Publication number 20070052251
    • Publication date Mar 8, 2007
    • Pekka Hautala
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Planetary gear transmission with variable ratio
    • Publication number 20020002097
    • Publication date Jan 3, 2002
    • ProRauta
    • Seppo Lauri Paalasmaa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...