TREA

HEDLEY PURVIS LTD

Follow

Organization

  • MORPETH, GB
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe testing apparatus
    • Patent number 6,581,642
    • Issue date Jun 24, 2003
    • Hedley Purvis Limited
    • Sandy Ritchie
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Torque wrench
    • Patent number 5,979,273
    • Issue date Nov 9, 1999
    • Hedley Purvis Limited
    • John Nigel Walton
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reaction nut with cam action quick fastening
    • Patent number 5,749,691
    • Issue date May 12, 1998
    • Hedley Purvis Ltd A Company of Great Britain and Northern Ireland
    • David Campbell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torque wrench
    • Patent number 5,249,486
    • Issue date Oct 5, 1993
    • Hedley Purvis Limited
    • Ian C. Thompson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Torque wrench
    • Patent number 5,142,951
    • Issue date Sep 1, 1992
    • Hedley Purvis Limited
    • John N. Walton
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Quick-fastening nut
    • Patent number 5,032,048
    • Issue date Jul 16, 1991
    • Hedley Purvis Limited
    • John N. Walton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic bolt tensioner
    • Patent number 4,998,453
    • Issue date Mar 12, 1991
    • Hedley Purvis Limited
    • John N. Walton
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic torque wrench
    • Patent number 4,982,626
    • Issue date Jan 8, 1991
    • Hedley Purvis Limited
    • Nicholas More
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Torque wrenches
    • Patent number 4,854,197
    • Issue date Aug 8, 1989
    • Hedley Purvis Limited
    • John N. Walton
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    74526453 - AQUAJACK
    • Serial number 74526453
    • Registration number 1986518
    • Filing date May 19, 1994
    • HEDLEY PURVIS LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    73676442 - HYPUR-MATE
    • Serial number 73676442
    • Registration number 1588522
    • Filing date Jul 31, 1987
    • HEDLEY PURVIS LIMITED
    • 7 - Machines and machine tools