TREA

Ernst Luhn

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  • Haan, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    System for transmitting ultrasonic waves
    • Patent number 6,637,270
    • Issue date Oct 28, 2003
    • Betriebsforschungsinstitut VDEh-Institut fur Angewandte forschung GmbH
    • Dietmar Oberhoff
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Apparatus for the bidirectional transfer of information
    • Patent number 5,828,146
    • Issue date Oct 27, 1998
    • BFI Betriebstechnik GmbH
    • Gerhard Lorenz
    • G08 - SIGNALLING
  • Information Patent Grant

    Electromagnet transducer
    • Patent number 4,593,567
    • Issue date Jun 10, 1986
    • Betriebsforschungsinstitut VDEH Institut for Angewandete Forschung GmbH
    • Fritz Isselstein
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents