TREA

Wolfgang Lehmann

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  • Kuppenheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Screen surfacing with exchangeable screen elements
    • Patent number 4,670,136
    • Issue date Jun 2, 1987
    • Isenmann, Drahterzeugnisse GmbH
    • Gerhard Schmidt
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Flat sieve element
    • Patent number 4,473,466
    • Issue date Sep 25, 1984
    • Isenmann Drahterzeugnisse GmbH
    • Gerhard Schmidt
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING