TREA

PITTSBURGH-DES MOINES STEEL COMPANY

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Organization

  • NEVILLE ISLAND, PITTSBURGH, PA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Joint for space frames
    • Patent number 4,283,156
    • Issue date Aug 11, 1981
    • Pittsburgh des Moines Steel Company
    • George C. Harper
    • E04 - BUILDING
  • Information Patent Grant

    Joint for geodesic dome
    • Patent number 4,244,152
    • Issue date Jan 13, 1981
    • Pittsburgh des Moines Steel Company
    • George C. Harper
    • E04 - BUILDING
  • Information Patent Grant

    Insulation for double wall tanks
    • Patent number 4,225,055
    • Issue date Sep 30, 1980
    • Pittsburgh des Moines Steel Company
    • Richard E. Hills
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Floating roof drainage system
    • Patent number 4,214,671
    • Issue date Jul 29, 1980
    • Pittsburgh des Moines Steel Company
    • Dean K. McKibbin
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Floating roof seal
    • Patent number 4,173,291
    • Issue date Nov 6, 1979
    • Pittsburgh des Moines Steel Company
    • Richard E. Hills
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Emergency roof drain for floating roof storage tanks
    • Patent number 4,134,515
    • Issue date Jan 16, 1979
    • Pittsburgh des Moines Steel Company
    • Richard E. Hills
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Seal arrangement for floating roof storage tanks
    • Patent number 4,130,217
    • Issue date Dec 19, 1978
    • Pittsburgh des Moines Steel Company
    • Richard E. Hills
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Impact resistant tank for cryogenic fluids
    • Patent number 4,041,722
    • Issue date Aug 16, 1977
    • Pittsburgh des Moines Steel Company
    • John Terlesky
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Floating roof having uniformly distributed buoyancy means
    • Patent number 3,972,444
    • Issue date Aug 3, 1976
    • Pittsburgh des Moines Steel Company
    • John H. Adams
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    72403543 - BUOYROOF
    • Serial number 72403543
    • Registration number 944991
    • Filing date Sep 24, 1971
    • PITTSBURGH-DES MOINES STEEL COMPANY
    • 6 - Common metals and their alloys
  • Information Trademark

    72289332 - TULIP TANK
    • Serial number 72289332
    • Registration number 857701
    • Filing date Jan 22, 1968
    • PITTSBURGH-DES MOINES STEEL COMPANY
    • 6 - Common metals and their alloys
  • Information Trademark

    72111757 - WEATHERSHIELD
    • Serial number 72111757
    • Registration number 740414
    • Filing date Jan 12, 1961
    • PITTSBURGH-DES MOINES STEEL COMPANY
    • 6 - Common metals and their alloys
  • Information Trademark

    72082767 - TUBESEAL
    • Serial number 72082767
    • Registration number 698762
    • Filing date Oct 6, 1959
    • PITTSBURGH-DES MOINES STEEL COMPANY
    • 6 - Common metals and their alloys