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Helmut Mechtold

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  • Nuremberg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for drawing-in a pipe end by cold forming
    • Patent number 4,899,571
    • Issue date Feb 13, 1990
    • Siemens Aktiengesellschaft
    • Robert Weber
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Fixture for machining the cutting line of a pipe
    • Patent number 4,689,863
    • Issue date Sep 1, 1987
    • Kraftwerk Union Aktiengesellschaft
    • Robert Weber
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Flaring device for pipe ends
    • Patent number 4,667,500
    • Issue date May 26, 1987
    • Kraftwerk Union Aktiengesellschaft
    • Helmut Mechtold
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...