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Jürgen Frenzel

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  • Freden (Leine), DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete cross sleeper system
    • Patent number 4,802,623
    • Issue date Feb 7, 1989
    • Stahlwerke Peine-Salzgitter A.G.
    • Gunter Fasterding
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railway switch
    • Patent number 4,756,476
    • Issue date Jul 12, 1988
    • Stahlwerke Peine-Salzgitter AG
    • Gunter Fasterding
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Method of manufacturing railway sleepers
    • Patent number 4,285,115
    • Issue date Aug 25, 1981
    • ARBED
    • Jurgen Frenzel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    RAIL SLEEPER
    • Publication number 20130075486
    • Publication date Mar 28, 2013
    • MSB-Management GmbH
    • Jürgen Frenzel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    RAIL SLEEPER
    • Publication number 20100213267
    • Publication date Aug 26, 2010
    • MSB-Management GmbH
    • Jürgen Frenzel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES