TREA

T K Valve Limited

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valves for pipelines
    • Patent number 4,953,587
    • Issue date Sep 4, 1990
    • T K Valve Limited
    • John Steele
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valves for pipelines
    • Patent number 4,928,921
    • Issue date May 29, 1990
    • T K Valve Limited
    • John Steele
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valves
    • Patent number 4,318,420
    • Issue date Mar 9, 1982
    • TK Valve Limited
    • Michael A. Calvert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valves
    • Patent number 4,108,196
    • Issue date Aug 22, 1978
    • TK Valve Limited
    • Michael Arnold Calvert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

  • Information Trademark

    73828681 - TK CARTRIDGE
    • Serial number 73828681
    • Registration number 1635957
    • Filing date Oct 2, 1989
    • TK VALVE LIMITED
    • 6 - Common metals and their alloys