TREA

Roger E. Johnson

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  • Girard, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High temperature balanced valve trim
    • Patent number 4,712,769
    • Issue date Dec 15, 1987
    • White Consolidated Industries, Inc.
    • Roger E. Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High temperature, zero leakage packing assembly
    • Patent number 4,640,305
    • Issue date Feb 3, 1987
    • White Consolidated Industries, Inc.
    • Roger E. Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-nozzle spray desuperheater
    • Patent number 4,442,047
    • Issue date Apr 10, 1984
    • White Consolidated Industries, Inc.
    • Roger E. Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL