David Atkinson

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-channel infrared optical phase fraction meter
- Patent number 8,569,686
- Issue date Oct 29, 2013
- Weatherford/Lamb, Inc.
- John Lievois
- G01 - MEASURING TESTING
Information Patent Grant
Multi-channel infrared optical phase fraction meter
- Patent number 8,436,309
- Issue date May 7, 2013
- Weatherford/Lamb, Inc.
- John Lievois
- G01 - MEASURING TESTING
Information Patent Grant
Multi-channel infrared optical phase fraction meter
- Patent number 7,233,001
- Issue date Jun 19, 2007
- Weatherford/Lamb, Inc.
- John Lievois
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MULTI-CHANNEL INFRARED OPTICAL PHASE FRACTION METER
- Publication number 20130146757
- Publication date Jun 13, 2013
- WEATHERFORD/LAMB, INC.
- John Lievois
- G01 - MEASURING TESTING
Information Patent Application
MULTI-CHANNEL INFRARED OPTICAL PHASE FRACTION METER
- Publication number 20080135761
- Publication date Jun 12, 2008
- John Lievois
- G01 - MEASURING TESTING
Information Patent Application
Multi-channel infrared optical phase fraction meter
- Publication number 20060186340
- Publication date Aug 24, 2006
- Weatherford/Lamb, Inc.
- John Lievois
- G01 - MEASURING TESTING