TREA

William C. Allen

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  • Pasadena, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lined pipe connector containing end rings
    • Patent number 5,779,276
    • Issue date Jul 14, 1998
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Protective barrier using polymer concrete
    • Patent number 5,725,906
    • Issue date Mar 10, 1998
    • Union Oil Company of California
    • William C. Allen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Glass fiber reinforced cement liners for pipelines and casings
    • Patent number 5,649,568
    • Issue date Jul 22, 1997
    • Union Oil Company of California
    • William C. Allen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Polymer concrete composition containing high cement content
    • Patent number 5,599,857
    • Issue date Feb 4, 1997
    • Union Oil Company of California
    • William C. Allen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Dual gasket lined pipe connector
    • Patent number 5,566,986
    • Issue date Oct 22, 1996
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Superplasticizer-concrete composition for waste disposal
    • Patent number 5,551,976
    • Issue date Sep 3, 1996
    • Union Oil Company of California
    • William C. Allen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Superplasticizer-concrete composition and method of preparation
    • Patent number 5,525,155
    • Issue date Jun 11, 1996
    • Union Oil Company of California
    • William C. Allen
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Dual gasket lined pipe connector
    • Patent number 5,405,171
    • Issue date Apr 11, 1995
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Enhanced polymer concrete composition
    • Patent number 5,384,355
    • Issue date Jan 24, 1995
    • Union Oil Company of California
    • William C. Allen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Well inspection method
    • Patent number 5,357,482
    • Issue date Oct 18, 1994
    • Union Oil Company of California
    • Terence P. O'Sullivan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for producing excessively hot hydrogeothermal...
    • Patent number 5,353,869
    • Issue date Oct 11, 1994
    • Union Oil Company of California
    • William C. Allen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Enhanced polymer concrete composition
    • Patent number 5,276,074
    • Issue date Jan 4, 1994
    • Union Oil Company of California
    • William C. Allen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Brittle lined pipe connector
    • Patent number 5,240,293
    • Issue date Aug 31, 1993
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Brittle lined pipe connector
    • Patent number 5,236,231
    • Issue date Aug 17, 1993
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lined pipe connection device and method
    • Patent number 5,163,715
    • Issue date Nov 17, 1992
    • Union Oil Company of California, dba UNOCAL
    • William M. Rickard
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Enhanced polymer concrete composition
    • Patent number 5,122,554
    • Issue date Jun 16, 1992
    • Union Oil Company of California
    • William C. Allen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Lined casing inspection method
    • Patent number 5,072,388
    • Issue date Dec 10, 1991
    • Union Oil Company of California
    • Terence P. O'Sullivan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Brittle lined pipe connector
    • Patent number 5,069,485
    • Issue date Dec 3, 1991
    • Union Oil Company of California
    • William C. Allen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...