TREA

David C. Hale

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  • Chillicothe, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Noise attenuation in a hydraulic circuit
    • Patent number 6,854,269
    • Issue date Feb 15, 2005
    • Caterpillar Inc.
    • David C. Hale
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pressure transformer
    • Patent number 6,497,558
    • Issue date Dec 24, 2002
    • Caterpillar Inc.
    • David C. Hale
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pressure transformer
    • Patent number 6,460,333
    • Issue date Oct 8, 2002
    • Caterpillar Inc.
    • John C. Endsley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pressure transformer
    • Patent number 6,092,455
    • Issue date Jul 25, 2000
    • Caterpillar Inc.
    • John C. Endsley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Noise attenuation in a hydraulic circuit
    • Publication number 20040016230
    • Publication date Jan 29, 2004
    • Caterpillar Inc.
    • David C. Hale
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic pressure transformer
    • Publication number 20020078686
    • Publication date Jun 27, 2002
    • John C. Endsley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...