Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8981958 | Electric field communication for short range data transmission in a borehole | Timothy M. Price, Harold T. Buscher | 2015-03-17 |
| 8258976 | Electric field communication for short range data transmission in a borehole | Timothy M. Price, Harold T. Buscher | 2012-09-04 |
| 7909117 | Downhole adjustable bent-angle mechanism for use with a motor for directional drilling | Dennis J. Buckley, James R. Higginbotham, Mark Chustz, Raymond W. Teys, Michael A. Yoshimune | 2011-03-22 |
| 7576532 | Motion transducer for motion related to the direction of the axis of an eddy-current displacement sensor | Timothy M. Price, George K. Walker, Cory Wilson | 2009-08-18 |
| 7518528 | Electric field communication for short range data transmission in a borehole | Timothy M. Price, Harold T. Buscher | 2009-04-14 |
| 7434482 | Feedback-controlled piezoelectric force measuring apparatus | Harold T. Buscher | 2008-10-14 |
| 7287605 | Steerable drilling apparatus having a differential displacement side-force exerting mechanism | Raymond W. Teys | 2007-10-30 |
| 7225888 | Hydraulic fluid coupling | Raymond W. Teys, James R. Higginbotham | 2007-06-05 |
| 6816788 | Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment | James N. Towle, Hans S. Fairchild | 2004-11-09 |
| 6698516 | Method for magnetizing wellbore tubulars | James N. Towle | 2004-03-02 |
| 6651496 | Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environment | James N. Towle, Hans S. Fairchild | 2003-11-25 |
| 6608565 | Downward communication in a borehole through drill string rotary modulation | Robert M. Baker, Gary A. McBroom | 2003-08-19 |
| 6396276 | Apparatus and method for electric field telemetry employing component upper and lower housings in a well pipestring | James N. Towle, Timothy M. Price | 2002-05-28 |
| 6188223 | Electric field borehole telemetry | James N. Towle, Timothy M. Price | 2001-02-13 |
| 5960370 | Method to determine local variations of the earth's magnetic field and location of the source thereof | James N. Towle | 1999-09-28 |
| 5883516 | Apparatus and method for electric field telemetry employing component upper and lower housings in a well pipestring | James N. Towle, Timothy M. Price | 1999-03-16 |
| 5836353 | Valve assembly for borehole telemetry in drilling fluid | — | 1998-11-17 |
| 5740127 | Pulse production and control in drill strings | Roy W. Case | 1998-04-14 |
| 5725061 | Downhole drill bit drive motor assembly with an integral bilateral signal and power conduction path | Michael S. Orcutt-Clenard, James R. Higginbotham | 1998-03-10 |
| 5720345 | Casing joint detector | Timothy M. Price | 1998-02-24 |
| 5590714 | Multi-mode cushioning an instrument suspended in a well | Raymond W. Teys, Robert M. Baker | 1997-01-07 |
| 5520246 | Multi-mode cushioning an instrument suspended in a well | Raymond W. Teys, Robert M. Baker | 1996-05-28 |
| 5507348 | Apparatus for locking wire line instrument to drill collar | Raymond W. Teys, Robert M. Baker | 1996-04-16 |
| 5389003 | Wireline wet connection | Michael S. Orcutt-Clenard, Raymond W. Teys | 1995-02-14 |
| 5366018 | Miniature rope socket assembly for combined mechanical and electrical connection in a borehole wireline | Raymond W. Teys | 1994-11-22 |