TREA

J. Duwayne Manahan

Follow

Person

  • Bloomington, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Poppet valve shaping for quick valve opening
    • Patent number 6,349,920
    • Issue date Feb 26, 2002
    • Caterpillar Inc.
    • Stephen R. Lewis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rapidly opening electromagnetic valve
    • Patent number 6,029,682
    • Issue date Feb 29, 2000
    • Caterpillar Inc.
    • Stephen R. Lewis
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS