TREA

Karl Gustav Hertel

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  • D-8510 Furth, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Broach
    • Patent number 4,740,115
    • Issue date Apr 26, 1988
    • Karl Hertel GmbH
    • Gunther Hertel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drive unit for rotary tools
    • Patent number 4,729,700
    • Issue date Mar 8, 1988
    • Hertel AG Werkzeuge & Hartstoffe
    • Gunther Hertel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Composite tool unit for chip-removing machining
    • Patent number 4,632,614
    • Issue date Dec 30, 1986
    • Rall; Gerhard
    • Gerhard Rall
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Roller reinforced with a hard metal jacket
    • Patent number 4,115,910
    • Issue date Sep 26, 1978
    • Gunther Hertel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...