Robert T. Ritt

Person

  • Holland, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for forming valve guide insert

    • Patent number 5,539,980
    • Issue date Jul 30, 1996
    • K-Line Industries, Inc.
    • James A. Kammeraad
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method of installing valve guide insert

    • Patent number 5,493,776
    • Issue date Feb 27, 1996
    • K-Line Industries, Inc.
    • James A. Kammeraad
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve guide insert insertion tool

    • Patent number 5,355,572
    • Issue date Oct 18, 1994
    • K-Line Industries, Inc.
    • James A. Kammeraad
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve stem polishing method

    • Patent number 5,319,916
    • Issue date Jun 14, 1994
    • K-Line Industries, Inc.
    • Robert T. Ritt
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Valve guide boring fixture

    • Patent number 5,281,057
    • Issue date Jan 25, 1994
    • K-Line Industries, Inc.
    • Robert T. Ritt
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Valve guide insert

    • Patent number 5,249,555
    • Issue date Oct 5, 1993
    • K-Line Industries, Inc.
    • James A. Kammeraad
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve stem polishing method and apparatus

    • Patent number 5,218,788
    • Issue date Jun 15, 1993
    • K-Line Industries, Inc.
    • Robert T. Ritt
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Intake valve deposit removal apparatus

    • Patent number 5,161,336
    • Issue date Nov 10, 1992
    • K-Line Industries, Inc.
    • Robert T. Ritt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS