Daniel Joinson

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Carterton, GB

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Patents Grantslast 30 patents

Information Patent Grant
Operating electrolyte based components
- Patent number 7,427,452
- Issue date Sep 23, 2008
- Expro North Seal Limited
- Steven Martin Hudson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic signalling in pipelines
- Patent number 7,315,256
- Issue date Jan 1, 2008
- Expro North Sea Limited
- Steven Martin Hudson
- G01 - MEASURING TESTING
Information Patent Grant
Data transmission in pipeline systems
- Patent number 7,071,837
- Issue date Jul 4, 2006
- Expro North Sea Limited
- Steven Martin Hudson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Magnetic signalling in pipelines
- Publication number 20050030198
- Publication date Feb 10, 2005
- Steven Martin Hudson
- E21 - EARTH DRILLING MINING
Information Patent Application
Operating electrolyte based components
- Publication number 20040265682
- Publication date Dec 30, 2004
- Steven Martin Hudson
- E21 - EARTH DRILLING MINING
Information Patent Application
Data transmission in pipeline systems
- Publication number 20020084913
- Publication date Jul 4, 2002
- Flight Refuelling Limited
- Steven Martin Hudson
- E21 - EARTH DRILLING MINING