TREA

Hans-Rainer Brillert

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  • Odenthal, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring
    • Patent number 4,973,066
    • Issue date Nov 27, 1990
    • Goetze AG
    • Gerhard Duck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Non-circular piston rings
    • Patent number 4,957,212
    • Issue date Sep 18, 1990
    • Goetze AG
    • Gerhard Duck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...