Truax; David K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Truax; David K..The latest application filed is for "multiple diameter cutting elements and bits incorporating the same".
- Truax; David K. - Houston TX
| Patent | Date |
|---|---|
| Multiple diameter cutting elements and bits incorporating the same Grant 7,461,709 - Keshavan , et al. December 9, 2 | 2008-12-09 |
| Advanced expandable reaming tool Grant 7,451,836 - Hoffmaster , et al. November 18, 2 | 2008-11-18 |
| Advanced expandable reaming tool Grant 7,451,837 - Hoffmaster , et al. November 18, 2 | 2008-11-18 |
| Method for drilling a wellbore using a bi-center drill bit Grant 6,883,622 - Beaton , et al. April 26, 2 | 2005-04-26 |
| Multiple diameter cutting elements and bits incorporating the same App 20050082093 - Keshavan, Madapusi K. ; et al. | 2005-04-21 |
| Advanced expandable reaming tool Grant 6,880,650 - Hoffmaster , et al. April 19, 2 | 2005-04-19 |
| Drill bit having large diameter PDC cutters Grant 6,808,031 - Mensa-Wilmot , et al. October 26, 2 | 2004-10-26 |
| Advanced expandable reaming tool App 20040159468 - Hoffmaster, Carl M. ; et al. | 2004-08-19 |
| Advanced expandable reaming tool App 20040154836 - Hoffmaster, Carl M. ; et al. | 2004-08-12 |
| Drill bit having diamond impregnated inserts primary cutting structure Grant 6,725,953 - Truax , et al. April 27, 2 | 2004-04-27 |
| Method and apparatus for friction stir welding App 20030075584 - Sarik, Daniel J. ; et al. | 2003-04-24 |
| Advanced expandable reaming tool App 20030029644 - Hoffmaster, Carl M. ; et al. | 2003-02-13 |
| Drill bit having large diameter PDC cutters App 20020144843 - Mensa-Wilmot, Graham ; et al. | 2002-10-10 |
| Drill bit having diamond impregnated inserts primary cutting structure Grant 6,394,202 - Truax , et al. May 28, 2 | 2002-05-28 |
| Method for drilling a wellbore using a bi-center drill bit App 20020017400 - Beaton, Timothy P. ; et al. | 2002-02-14 |
| Drill Bit Having Diamond Impregnated Inserts Primary Cutting Structure App 20010047891 - TRUAX, DAVID K. ; et al. | 2001-12-06 |
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