Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8312940 | Apparatus and method for improvements in wellbore drilling | Louise Bailey, John Cook, Jennifer Edwards, Gerald Meeten | 2012-11-20 | $59,888,000 |
| 7669653 | System and method for maintaining zonal isolation in a wellbore | Bernadette Craster, Roger J. Card, Ashley Bernard Johnson, Paul Way, Hemant K.J. Ladva +2 more | 2010-03-02 | $49,055,000 |
| 7591320 | Method of cementing expandable well tubing | Jean Desroches, Simon James, Dominique Guillot | 2009-09-22 | $149,171,000 |