TREA

Sheffer Collet Company

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Organization

  • Traverse City, MI, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Rapid change wedge chuck with positive lock
    • Patent number 5,143,687
    • Issue date Sep 1, 1992
    • Sheffer Collet Company
    • Carl J. Howard
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and means assuring repeatable concentricity
    • Patent number 5,105,523
    • Issue date Apr 21, 1992
    • Sheffer Collet Company
    • Carl J. Howard
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Compensating and/or centralizing grip chuck
    • Patent number 5,052,700
    • Issue date Oct 1, 1991
    • Sheffer Collet Company
    • Carl J. Howard
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Support for a chuck
    • Patent number 4,688,810
    • Issue date Aug 25, 1987
    • Sheffer Collet Company
    • Carlson A. Waite
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Project plate system
    • Patent number 4,662,043
    • Issue date May 5, 1987
    • Sheffer Collet Company
    • William S. Stone
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Support for a chuck
    • Patent number 4,647,051
    • Issue date Mar 3, 1987
    • Sheffer Collet Company
    • William S. Stone
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Seal for air charging a chuck
    • Patent number 4,591,171
    • Issue date May 27, 1986
    • Sheffer Collet Company
    • William Stone
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck with improved jaw actuator support structure
    • Patent number 4,422,655
    • Issue date Dec 27, 1983
    • Sheffer Collet Company
    • Carlson A. Waite
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck for tubular workpieces
    • Patent number 4,422,653
    • Issue date Dec 27, 1983
    • Sheffer Collet Company
    • Charles Piotrowski
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Double acting internal diameter gripping chucks
    • Patent number 4,355,816
    • Issue date Oct 26, 1982
    • Sheffer Collet Company
    • Jay D. Beery
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Double acting cam operated chuck collet
    • Patent number 4,236,722
    • Issue date Dec 2, 1980
    • Sheffer Collet Company
    • Merle Felker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Diaphragm chuck with locking ring
    • Patent number 4,206,932
    • Issue date Jun 10, 1980
    • Sheffer Collet Company
    • Merle Felker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Collet chuck
    • Patent number 4,094,521
    • Issue date Jun 13, 1978
    • Sheffer Collet Company
    • Charles Piotrowski
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73269081 - S
    • Serial number 73269081
    • Registration number 1177846
    • Filing date Jul 7, 1980
    • Sheffer Collet Company
    • 7 - Machines and machine tools
  • Information Trademark

    73269082 - S
    • Serial number 73269082
    • Registration number 1177847
    • Filing date Jul 7, 1980
    • Sheffer Collet Company
    • 7 - Machines and machine tools
  • Information Trademark

    73269095 - S SHEFFER COLLET CHUCKS
    • Serial number 73269095
    • Registration number 1172893
    • Filing date Jul 7, 1980
    • Sheffer Collet Company
    • 7 - Machines and machine tools
  • Information Trademark

    73266022 - ROKR-LOC
    • Serial number 73266022
    • Registration number 1168085
    • Filing date Jun 12, 1980
    • Sheffer Collet Company
    • 7 - Machines and machine tools