Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10895113 | Drilling system, biasing mechanism and method for directionally drilling a borehole | Marcus D. Wernig | 2021-01-19 |
| 10443692 | Fluid movement systems including a continuously variable transmission | Michael P. Bujold, Joseph D. Kliewer | 2019-10-15 |
| 10301877 | Drilling system, biasing mechanism and method for directionally drilling a borehole | Marcus D. Wernig | 2019-05-28 |
| 10006526 | Fluid movement systems including a continuosly variable transmission | Michael P. Bujold, Joseph D. Kliewer | 2018-06-26 |
| 9556678 | Drilling system, biasing mechanism and method for directionally drilling a borehole | Marcus D. Wernig | 2017-01-31 |
| 9464701 | Fluid movement systems including a continuously variable transmission | Michael P. Bujold, Joseph D. Kliewer | 2016-10-11 |
| 8639423 | Power split device and method | Sam Akehurst | 2014-01-28 |
| 7234543 | Systems and methods for directionally drilling a borehole using a continuously variable transmission | — | 2007-06-26 |
| 7004263 | Directional casing drilling | Keith Moriarty, Michael Robert Johnson, Attilio Pisoni, Ruben Martinez, Spyro Kotsonis +2 more | 2006-02-28 |
| 6840336 | Drilling tool with non-rotating sleeve | Alain P. Dorel, Albert E. Patterson, II | 2005-01-11 |
| 6837315 | Rotary steerable drilling tool | Attilio Pisoni, Ruben Martinez, Spyro Kotsonis | 2005-01-04 |
| 6610441 | Annular pack | Donald E. Hensley, Marvin Milewits, Fraser M. Walsh | 2003-08-26 |
| 6547010 | Annular pack having mutually engageable annular segments | Donald E. Hensley, Marvin Milewits, Fraser M. Walsh | 2003-04-15 |
| 6280874 | Annular pack | Donald E. Hensley, Marvin Milewits, Fraser M. Walsh | 2001-08-28 |
| 6057784 | Apparatus and system for making at-bit measurements while drilling | Jean Seydoux, Walter Thain, Marcus D. Wernig, Alain P. Dorel | 2000-05-02 |