TREA

PERMIAN RESEARCH CORP., A TEXAS CORP

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  • BIG SPRING, HOWARD, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary extruder with integral auger feed assembly
    • Patent number 5,200,204
    • Issue date Apr 6, 1993
    • Permian Research Corporation
    • Douglas J. Horton
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for controlling rotary extruder
    • Patent number 5,045,252
    • Issue date Sep 3, 1991
    • Permian Research Corporation
    • Granville J. Hahn
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotary extruder with internally heated rotor
    • Patent number 5,033,861
    • Issue date Jul 23, 1991
    • Permian Research Corp.
    • Granville J. Hahn
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for retarding mineral buildup in downhole pumps
    • Patent number 4,990,233
    • Issue date Feb 5, 1991
    • Permian Research Corporation
    • Granville Hahn
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Drying method
    • Patent number 4,974,336
    • Issue date Dec 4, 1990
    • Permian Research Corporation
    • Granville J. Hahn
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotary extruder with internally cooled rotor
    • Patent number 4,887,907
    • Issue date Dec 19, 1989
    • Permian Research Corporation
    • Granville J. Hahn
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composition for plastic article with unitarily molded foam layer
    • Patent number 4,879,138
    • Issue date Nov 7, 1989
    • Permian Research Corporation
    • Marion Johnson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Plastic closure with barrier coating
    • Patent number 4,872,573
    • Issue date Oct 10, 1989
    • Permian Research Corporation
    • Marion Johnson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Composition for plastic article with unitarily molded foam layer
    • Patent number 4,866,100
    • Issue date Sep 12, 1989
    • Permian Research Corporation
    • Marion Johnson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Drying method and apparatus
    • Patent number 4,839,969
    • Issue date Jun 20, 1989
    • Permian Research Corporation
    • Granville J. Hahn
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotary extruder with a gear pump
    • Patent number 4,813,863
    • Issue date Mar 21, 1989
    • Permian Research Corporation
    • Granville J. Hahn
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic closure with unitarily molded, foamed sealing layer
    • Patent number 4,744,478
    • Issue date May 17, 1988
    • Permian Research Corporation
    • Granville J. Hahn
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Trademarklast 30 trademarks

  • Information Trademark

    73696421
    • Serial number 73696421
    • Registration number 1519553
    • Filing date Nov 19, 1987
    • PERMIAN RESEARCH CORPORATION
    • 7 - Machines and machine tools
  • Information Trademark

    73583682 - INSTAMELT
    • Serial number 73583682
    • Registration number 1438959
    • Filing date Feb 19, 1986
    • PERMIAN RESEARCH CORP.
    • 7 - Machines and machine tools