Nathan Ritchie

Person

  • Columbus, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Air compressor engine barring adaptor

    • Patent number 5,997,260
    • Issue date Dec 7, 1999
    • Cummins Engine Co., Ltd.
    • David P. Genter
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Barring adaptor for an engine air compressor

    • Patent number 5,882,181
    • Issue date Mar 16, 1999
    • Cummins Engine Company, Inc.
    • David P. Genter
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Ring valve type air compressor with deformable ring valves

    • Patent number 5,277,560
    • Issue date Jan 11, 1994
    • Holset Engineering Company, Inc.
    • Nathan Ritchie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ring valve type air compressor with deformable ring valves

    • Patent number 5,213,487
    • Issue date May 25, 1993
    • Holset Engineering Company, Inc.
    • Nathan Ritchie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ring valve type air compressor

    • Patent number 5,022,832
    • Issue date Jun 11, 1991
    • Holset Engineering Company
    • Jerre F. Lauterbach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air compressor unloader system

    • Patent number 4,993,922
    • Issue date Feb 19, 1991
    • Holset Engineering Company, Inc.
    • Jerre F. Lauterbach
    • B60 - VEHICLES IN GENERAL