LeQuang; Huy
Patent Applications and Registrations
Patent applications and USPTO patent grants for LeQuang; Huy.The latest application filed is for "fracturing isolation sleeve".
- LeQuang; Huy - Houston TX
| Patent | Date |
|---|---|
| Fracturing isolation sleeve Grant 8,302,678 - Swagerty , et al. November 6, 2 | 2012-11-06 |
| Fracturing isolation sleeve Grant 7,900,697 - Swagerty , et al. March 8, 2 | 2011-03-08 |
| Fracturing isolation sleeve Grant 7,614,448 - Swagerty , et al. November 10, 2 | 2009-11-10 |
| Fracturing isolation sleeve Grant 7,490,666 - Swagerty , et al. February 17, 2 | 2009-02-17 |
| Fracturing Isolation Sleeve App 20080190601 - Swagerty; Gerald Brian ; et al. | 2008-08-14 |
| Fracturing Isolation Sleeve App 20080011469 - Swagerty; Gerald Brian ; et al. | 2008-01-17 |
| Fracturing isolation sleeve Grant 7,308,934 - Swagerty , et al. December 18, 2 | 2007-12-18 |
| Split locking ring for wellhead components Grant 7,231,983 - Lequang , et al. June 19, 2 | 2007-06-19 |
| Fracturing isolation sleeve App 20060185841 - Swagerty; Gerald Brian ; et al. | 2006-08-24 |
| Split locking ring for wellhead components App 20050145391 - Lequang, Huy ; et al. | 2005-07-07 |
| Tubing hanger orientation device App 20040231835 - Thai, Duy Quoc ; et al. | 2004-11-25 |
| Casing hanger Grant 6,095,242 - Lequang , et al. August 1, 2 | 2000-08-01 |
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