John Duncan Cruickshank

Person

  • Banchory, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Induction heating apparatus and method for pipeline welding operations

    • Patent number 6,166,359
    • Issue date Dec 26, 2000
    • Coflexip Stena Offshore Ltd.
    • John Duncan Cruickshank
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipeline pigging

    • Patent number 6,109,829
    • Issue date Aug 29, 2000
    • Coflexip Stena Offshore Ltd.
    • John Duncan Cruickshank
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipeline storage

    • Patent number 6,089,489
    • Issue date Jul 18, 2000
    • Coflexip Stena Offshore Limited
    • John Duncan Cruickshank
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Fluid pipelines

    • Patent number 5,988,691
    • Issue date Nov 23, 1999
    • Coflexip Stena Offshore Limited
    • John Duncan Cruickshank
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...