Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8794372 | Marine mechanical seismic source | Mark Francis Lucien Harper, Stuart C. Moore | 2014-08-05 |
| 8687464 | Marine siren seismic source | Mark Francis Lucien Harper | 2014-04-01 |
| 8630149 | Marine seismic source | Mark Francis Lucien Harper | 2014-01-14 |
| 8387744 | Marine seismic source | Mark Francis Lucien Harper, Joseph Anthony Dellinger, Graham Openshaw | 2013-03-05 |
| 8280658 | System for monitoring exposure to vibration | Mark Lucien Harper | 2012-10-02 |
| 7523666 | Leak locator | Martin Francis Lucien Harper | 2009-04-28 |
| 6267000 | Leak location | Mark Francis Lucien Harper | 2001-07-31 |
| 5181419 | Sampling of drilling mud | — | 1993-01-26 |
| 5080182 | Method of analyzing and controlling a fluid influx during the drilling of a borehole | — | 1992-01-14 |