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Dale E. Helgren

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  • Green Bay, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compactor and diverter for return items in a dispensing system
    • Patent number 11,564,766
    • Issue date Jan 31, 2023
    • Cintas Corporate Services, Inc.
    • John Savage
    • B30 - PRESSES
  • Information Patent Grant

    Roll grinding system for a roll
    • Patent number 6,257,964
    • Issue date Jul 10, 2001
    • Voith Sulzer Paper Technology North America, Inc.
    • Dale E. Helgren
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Roll grinder with vibration dampening
    • Patent number 6,200,204
    • Issue date Mar 13, 2001
    • Voith Sulzer Paper Technology North America, Inc.
    • Dale Helgren
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Caliper assembly for grinder
    • Patent number 5,551,906
    • Issue date Sep 3, 1996
    • Voith Sulzer Paper Technology North America Inc.
    • Dale Helgren
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Roll grinder
    • Patent number 5,402,606
    • Issue date Apr 4, 1995
    • Voith Sulzer Paper Technology North America, Inc.
    • Dale E. Helgren
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Real time straightness deviation measuring and compensation device...
    • Patent number 5,245,264
    • Issue date Sep 14, 1993
    • J. M. Voith, GmbH
    • Dale E. Helgren
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents