George Chalmers

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Aberdeenshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Gasket with multiple sealing surfaces
- Patent number 6,722,426
- Issue date Apr 20, 2004
- ABB Vetco Gray Inc.
- Thomas F. Sweeney
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Automated dog-type riser make-up device and method of use
- Patent number 6,330,918
- Issue date Dec 18, 2001
- ABB Vetco Gray, Inc.
- Stanley Hosie
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Gasket with multiple sealing surfaces
- Publication number 20030000694
- Publication date Jan 2, 2003
- Thomas F. Sweeney
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...