Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9844102 | Susceptors capable of balancing stress and effectiveness | Lorin R. Cole, Scott W. Middleton | 2017-12-12 |
| 8847132 | Susceptors capable of balancing stress and effectiveness | Lorin R. Cole, Scott W. Middleton | 2014-09-30 |
| 6883240 | Borehole surveying | Michael K. Russell | 2005-04-26 |
| 6854192 | Surveying of boreholes | Michael K. Russell | 2005-02-15 |
| 6637119 | Surveying of boreholes | Michael K. Russell | 2003-10-28 |
| 6552315 | Abuse-tolerant metallic packaging materials for microwave cooking | Neilson Zeng, Laurence M. C. Lai | 2003-04-22 |
| 6512393 | Method and apparatus for non-linear termination of a transmission line | Adam Whitworth | 2003-01-28 |
| 6433322 | Abuse-tolerant metallic packaging materials for microwave cooking | Neilson Zeng, Laurence M. C. Lai | 2002-08-13 |
| 6204492 | Abuse-tolerant metallic packaging materials for microwave cooking | Neilson Zeng, Laurence M. C. Lai | 2001-03-20 |
| 5103177 | Method and apparatus for determining the azimuth of a borehole by deriving the magnitude of the terrestial magnetic field BZe | Michael K. Russell | 1992-04-07 |
| 4999920 | Surveying of boreholes | Michael K. Russell | 1991-03-19 |
| 4956823 | Signal transmitters | Michael K. Russell | 1990-09-11 |
| 4941354 | Tri-axial accelerometers | Michael K. Russell | 1990-07-17 |
| 4819336 | Method of determining the orientation of a surveying instrument in a borehole | — | 1989-04-11 |
| 4802150 | Mud pressure control system with magnetic torque transfer | Michael K. Russell | 1989-01-31 |
| 4756088 | Instruments for monitoring the direction of a borehole | Michael K. Russell | 1988-07-12 |
| 4675852 | Apparatus for signalling within a borehole while drilling | Michael K. Russell | 1987-06-23 |
| 4636995 | Mud pressure control system | Michael K. Russell | 1987-01-13 |
| 4535429 | Apparatus for signalling within a borehole while drilling | Michael K. Russell | 1985-08-13 |
| 4507958 | Surveying of a borehole for position determination | Michael K. Russell | 1985-04-02 |