TREA

Karl R. Engquist

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  • Peoria, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust manifold shield
    • Patent number 4,612,767
    • Issue date Sep 23, 1986
    • Caterpillar Inc.
    • Karl R. Engquist
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Insulated exhaust manifold
    • Patent number 4,182,122
    • Issue date Jan 8, 1980
    • Caterpillar Tractor Co.
    • Michael K. Stratton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust manifold with reflective insulation
    • Patent number 4,168,610
    • Issue date Sep 25, 1979
    • Caterpillar Tractor Co.
    • Karl R. Engquist
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES