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John Graeme Walker

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  • Morpeth, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Conveyor system
    • Patent number 6,966,416
    • Issue date Nov 22, 2005
    • Automation Conveyors, Ltd.
    • John Graeme Walker
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Compact self-trimming wingsail
    • Patent number 5,622,131
    • Issue date Apr 22, 1997
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Monoplane and low thrust wingsail arrangements
    • Patent number 5,575,233
    • Issue date Nov 19, 1996
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Sail boat
    • Patent number D324021
    • Issue date Feb 18, 1992
    • John G. Walker
    • D12 - Transportation
  • Information Patent Grant

    Sprocket clutch
    • Patent number 5,076,421
    • Issue date Dec 31, 1991
    • Automation Conveyors Limited
    • John G. Walker
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Wingsail flap torque equalization
    • Patent number 4,982,679
    • Issue date Jan 8, 1991
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Wingsail flap deflection system
    • Patent number 4,945,847
    • Issue date Aug 7, 1990
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Wingsail stalling
    • Patent number 4,856,449
    • Issue date Aug 15, 1989
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Wingsail systems
    • Patent number 4,770,113
    • Issue date Sep 13, 1988
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Automatic tie gun
    • Patent number 4,640,319
    • Issue date Feb 3, 1987
    • Bowthorpe-Hellermann Limited
    • John G. Walker
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pressure sensing on rigid sails
    • Patent number 4,610,213
    • Issue date Sep 9, 1986
    • Young & Thompson
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Sail with retractable air directing element
    • Patent number 4,563,970
    • Issue date Jan 14, 1986
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Self-trimming sailset
    • Patent number 4,543,899
    • Issue date Oct 1, 1985
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Automatic tie gun
    • Patent number 4,495,972
    • Issue date Jan 29, 1985
    • Bowthorpe-Hellermann Limited
    • John G. Walker
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Relating to wingsail craft and wingsails therefor
    • Patent number 4,473,023
    • Issue date Sep 25, 1984
    • Walker Wingsail Systems Limited
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Sail arrangements
    • Patent number 4,467,741
    • Issue date Aug 28, 1984
    • Walker Wingsail Systems Limited
    • John G. Walker
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    Conveyor system
    • Publication number 20050063809
    • Publication date Mar 24, 2005
    • Automation Conveyors, Ltd.
    • John Graeme Walker
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL