Robin Devonshire

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Sheffield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an electrode-less incandescent bulb
- Patent number 8,702,465
- Issue date Apr 22, 2014
- Ceravision Limited
- Charles Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode-less incandescent bulb
- Patent number 8,241,082
- Issue date Aug 14, 2012
- Ceravision Limited
- Charles Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for driving a discharge lamp with pulses that...
- Patent number 6,274,986
- Issue date Aug 14, 2001
- University of Sheffield
- Robin Devonshire
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electrode-less Incandescent Bulb
- Publication number 20130040529
- Publication date Feb 14, 2013
- Charles Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode-Less Incandescent Bulb
- Publication number 20080227359
- Publication date Sep 18, 2008
- Charles Guthrie
- H01 - BASIC ELECTRIC ELEMENTS