TREA

Peter Bittmann

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  • Gaggenau, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of preparing concrete mixtures
    • Patent number 4,335,966
    • Issue date Jun 22, 1982
    • Elba-Werk Maschinen-Gesellschaft mbH & Co.
    • Joachim Rapp
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of feeding water to a concrete mix
    • Patent number 4,318,177
    • Issue date Mar 2, 1982
    • Elba-Werk Maschinen-Gesellschaft mbH & Co.
    • Joachim Rapp
    • B28 - WORKING CEMENT, CLAY, OR STONE