TREA

Frank Zankl

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  • Milwaukee, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Machine tool operable as both a chucking type lathe and as a machin...
    • Patent number 4,404,727
    • Issue date Sep 20, 1983
    • Kearney & Trecker Corporation
    • Frank Zankl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Automatic tool changer with internal tool storage magazine
    • Patent number 4,358,888
    • Issue date Nov 16, 1982
    • Kearney & Trecker Corporation
    • Frank Zankl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Machine tool with pulsating cutting force
    • Patent number 4,261,675
    • Issue date Apr 14, 1981
    • Kearney & Trecker Corporation
    • Frank Zankl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Machine tool
    • Patent number D257042
    • Issue date Sep 23, 1980
    • Kearney & Trecker Corporation
    • Earl R. Lohneis
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Rotary table with ballscrew drive
    • Patent number 4,211,512
    • Issue date Jul 8, 1980
    • Kearney & Trecker Corporation
    • Frank Zankl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Automatic tool changer for machine tools
    • Patent number 4,164,290
    • Issue date Aug 14, 1979
    • Kearney & Trecker Corporation
    • Frank Zankl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Shuttle system for machine tool
    • Patent number 4,133,423
    • Issue date Jan 9, 1979
    • Kearney & Trecker Corporation
    • Frank Zankl
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    A.C. motor control apparatus and method
    • Patent number 4,091,294
    • Issue date May 23, 1978
    • Kearney & Trecker Corporation
    • Frank Zankl
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Tool change mechanism for machine tools
    • Patent number 4,087,901
    • Issue date May 9, 1978
    • Kearney & Trecker Corporation
    • Earl R. Lohneis
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of controlling an A.C. motor
    • Patent number 4,028,599
    • Issue date Jun 7, 1977
    • Kearney & Trecker Corporation
    • Frank Zankl
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Machine tool
    • Patent number D244445
    • Issue date May 24, 1977
    • Kearney & Trecker Corporation
    • Earl R. Lohneis
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    A.C. motor control apparatus and method
    • Patent number 3,986,087
    • Issue date Oct 12, 1976
    • Kearney & Trecker Corporation
    • Frank Zankl
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    A. C. motor control apparatus and method
    • Patent number 3,986,088
    • Issue date Oct 12, 1976
    • Kearney & Trecker Corporation
    • Frank Zankl
    • G05 - CONTROLLING REGULATING