Quan Phan

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
In-situ formation strength testing with coring
- Patent number 8,171,990
- Issue date May 8, 2012
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable positioning deep cutting rotary coring tool with expandabl...
- Patent number 7,673,704
- Issue date Mar 9, 2010
- Baker Hughes Incorporated
- Quan V. Phan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary coring device and method for acquiring a sidewall core from...
- Patent number 7,530,407
- Issue date May 12, 2009
- Baker Hughes Incorporated
- Borislav Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary position sensor and method for determining a position of a r...
- Patent number 7,411,388
- Issue date Aug 12, 2008
- Baker Hughes Incorporated
- Bahadur Sagoo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
IN-SITU FORMATION STRENGTH TESTING WITH CORING
- Publication number 20100051347
- Publication date Mar 4, 2010
- BAKER HUGHES INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
IN-SITU FORMATION STRENGTH TESTING WITH FORMATION SAMPLING
- Publication number 20090164128
- Publication date Jun 25, 2009
- BAKER HUGHES INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
Variable positioning deep cutting rotary coring tool with expandabl...
- Publication number 20080078582
- Publication date Apr 3, 2008
- Baker Hoghes Incorporated
- Quan V. Phan
- E21 - EARTH DRILLING MINING
Information Patent Application
Variable reluctance position sensor and method for determining a po...
- Publication number 20070046126
- Publication date Mar 1, 2007
- Bahadur Sagoo
- G01 - MEASURING TESTING
Information Patent Application
Rotary coring device and method for acquiring a sidewall core from...
- Publication number 20070045005
- Publication date Mar 1, 2007
- Borislav Tchakarov
- E21 - EARTH DRILLING MINING