John Nigel Walton

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Morpeth, GB

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Patents Grantslast 30 patents

Information Patent Grant
Quick release nut
- Patent number 6,799,930
- Issue date Oct 5, 2004
- Torque Tension Systems Limited
- Nicholas More
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
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