TREA

U. S. STEEL COMPANY (SUCCESSOR TO UNITED STATES STEEL COMPANY

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Organization

  • PITTSBURGH, PA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of removal of COS from propylene
    • Patent number 4,444,987
    • Issue date Apr 24, 1984
    • U.S. Steel Corporation
    • George L. Brownell
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fence post-top rail connector
    • Patent number 4,397,448
    • Issue date Aug 9, 1983
    • U.S. Steel Corporation
    • Michael J. Dillon
    • E04 - BUILDING
  • Information Patent Grant

    Strip feed mechanism
    • Patent number 4,304,370
    • Issue date Dec 8, 1981
    • Rogers; John W.
    • William A. Box
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Smoke prevention apparatus
    • Patent number 4,303,194
    • Issue date Dec 1, 1981
    • U.S. Steel Corporation
    • Fritz Kengle
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES