TREA

SIGMA CORPORATION

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Organization

  • CREAM RIDGE, NJ, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Large diameter pipe rounding tool and method of use
    • Patent number 11,318,515
    • Issue date May 3, 2022
    • Sigma Corporation
    • Stuart J. Box
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Joint restraint devices and methods of using same
    • Patent number 10,036,497
    • Issue date Jul 31, 2018
    • Sigma Corporation
    • Stuart J. Box
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Joint restraint assembly
    • Patent number 7,266,875
    • Issue date Sep 11, 2007
    • Sigma Corporation
    • Charles J Longacre
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Joint restraint assembly
    • Patent number 7,185,924
    • Issue date Mar 6, 2007
    • Sigma Corporation
    • Charles J Longacre
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    98868353 - PV-LOK
    • Serial number 98868353
    • Filing date Nov 22, 2024
    • Sigma Corporation
    • 6 - Common metals and their alloys
  • Information Trademark

    77239449 - ONE LOK
    • Serial number 77239449
    • Filing date Jul 26, 2007
    • Sigma Corporation
    • 6 - Common metals and their alloys
  • Information Trademark

    73767429 - ZIP FLANGE
    • Serial number 73767429
    • Registration number 1548857
    • Filing date Dec 5, 1988
    • SIGMA CORPORATION
    • 6 - Common metals and their alloys
  • Information Trademark

    73761196 - SIGMA
    • Serial number 73761196
    • Filing date Oct 31, 1988
    • SIGMA CORPORATION
    • 6 - Common metals and their alloys