John M. Greig

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Whitley Bay, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method of joining reinforced thermoplastic pipes
- Patent number 5,824,179
- Issue date Oct 20, 1998
- British Gas PLC
- John Martyn Greig
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pipe joint
- Patent number 5,127,116
- Issue date Jul 7, 1992
- British Gas PLC
- John M. Greig
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for securing a pipe to a fitting
- Patent number 4,293,147
- Issue date Oct 6, 1981
- RM Fabircations Limited
- Ronald S. Metcalfe
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS