Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7450331 | Variable mobile media storage system | Matthew Thomas Starr, Richard Douglas Rector, Mark Lorin Lantry | 2008-11-11 |
| 7414807 | Variable mobile media storage system | Matthew Thomas Starr, Richard Douglas Rector, Mark Lorin Lantry | 2008-08-19 |
| 7253983 | Variable media tape-based storage system | Matthew Thomas Starr, Richard Douglas Rector, Mark Lorin Lantry | 2007-08-07 |
| 6877241 | Measurement of curvature of a subsurface borehole, and use of such measurement in directional drilling | Geoff Downton | 2005-04-12 |
| 6089332 | Steerable rotary drilling systems | John Martin Clegg, William C. Motion | 2000-07-18 |
| 5803185 | Steerable rotary drilling systems and method of operating such systems | John Martin Clegg, William C. Motion | 1998-09-08 |
| 5706905 | Steerable rotary drilling systems | — | 1998-01-13 |
| 5695015 | System and method of controlling rotation of a downhole instrument package | William C. Motion, Michael K. Russell | 1997-12-09 |
| 5685379 | Method of operating a steerable rotary drilling system | John Martin Clegg, William C. Motion | 1997-11-11 |
| 5582259 | Modulated bias unit for rotary drilling | — | 1996-12-10 |
| 5553678 | Modulated bias units for steerable rotary drilling systems | Mark W. Burrell, Robert A. Russell, Richard E. Thorp, David Boast, John Martin Clegg | 1996-09-10 |
| 5520255 | Modulated bias unit for rotary drilling | Richard E. Thorp, Robert A. Russell | 1996-05-28 |
| 5265682 | Steerable rotary drilling systems | Michael K. Russell | 1993-11-30 |
| 5165494 | Rotary drills bits | — | 1992-11-24 |
| 5101691 | Methods of manufacturing cutter assemblies for rotary drill bits | — | 1992-04-07 |
| 5099934 | Rotary drill bits | — | 1992-03-31 |
| 5061293 | Cutting elements for rotary drill bits | Thomas Andrew Newton | 1991-10-29 |
| 5025874 | Cutting elements for rotary drill bits | Thomas Andrew Newton | 1991-06-25 |
| 4995887 | Cutting elements for rotary drill bits | Thomas Andrew Newton | 1991-02-26 |
| 4942933 | Relating to rotary drill bits | Michael Wardley | 1990-07-24 |
| 4898252 | Cutting structures for rotary drill bits | — | 1990-02-06 |
| 4878403 | Manufacture of rotary drill bits | — | 1989-11-07 |
| 4873895 | Manufacture of rotary drill bits | Malcolm R. Taylor, John R. Smart | 1989-10-17 |
| 4862977 | Drill bit and cutter therefor | Terry R. Matthias, Malcolm R. Taylor | 1989-09-05 |
| 4804049 | Rotary drill bits | — | 1989-02-14 |