Duong; Khanh
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duong; Khanh.The latest application filed is for "formation evaluation while drilling".
- Duong; Khanh - Houston TX
- Duong; Khanh - San Jose CA
- Duong; Khanh - Sugar Land TX
| Patent | Date |
|---|---|
| Formation evaluation while drilling Grant 10,711,603 - Villareal , et al. | 2020-07-14 |
| Striped sheaths for medical devices Grant 10,449,074 - Duong , et al. Oc | 2019-10-22 |
| Striped sheaths for medical devices Grant 10,433,996 - Duong , et al. O | 2019-10-08 |
| Formation Evaluation While Drilling App 20180355716 - Villareal; Steven G. ; et al. | 2018-12-13 |
| Striped Sheaths For Medical Devices App 20160317337 - Duong; Khanh ; et al. | 2016-11-03 |
| Striped Sheaths For Medical Devices App 20160317338 - Duong; Khanh ; et al. | 2016-11-03 |
| Striped sheaths for medical devices Grant 9,364,361 - Duong , et al. June 14, 2 | 2016-06-14 |
| Striped Sheaths For Medical Devices App 20150257910 - Duong; Khanh ; et al. | 2015-09-17 |
| Formation Evaluation While Drilling App 20140116783 - Villareal; Steven G. ; et al. | 2014-05-01 |
| Formation evaluation while drilling Grant 8,636,064 - Villareal , et al. January 28, 2 | 2014-01-28 |
| Formation Evaluation While Drilling App 20130092443 - Villareal; Steven G. ; et al. | 2013-04-18 |
| Formation evaluation while drilling Grant 8,336,622 - Villareal , et al. December 25, 2 | 2012-12-25 |
| Formation evaluation while drilling Grant 8,118,097 - Villareal , et al. February 21, 2 | 2012-02-21 |
| Formation evaluation while drilling Grant 8,056,625 - Villareal , et al. November 15, 2 | 2011-11-15 |
| Formation Evaluation While Drilling App 20110220412 - Villareal; Steven G. ; et al. | 2011-09-15 |
| Formation Evaluation While Drilling App 20100326727 - Villareal; Steven G. ; et al. | 2010-12-30 |
| Formation Evaluation While Drilling App 20100170717 - VILLAREAL; STEVEN G. ; et al. | 2010-07-08 |
| Formation Evaluation While Drilling App 20100170718 - VILLAREAL; STEVEN G. ; et al. | 2010-07-08 |
| Formation Evaluation While Drilling App 20090126996 - Villareal; Steven G. ; et al. | 2009-05-21 |
| Formation evaluation while drilling Grant 7,367,394 - Villareal , et al. May 6, 2 | 2008-05-06 |
| Wellbore apparatus with sliding shields Grant 7,367,392 - Duong , et al. May 6, 2 | 2008-05-06 |
| Formation Evaluation While Drilling App 20080087470 - VILLAREAL; STEVEN G. ; et al. | 2008-04-17 |
| Formation evaluation while drilling App 20070137896 - Villareal; Steven G. ; et al. | 2007-06-21 |
| Wellbore Apparatus With Sliding Shields App 20050150655 - Duong, Khanh ; et al. | 2005-07-14 |
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