Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8965703 | Applications based on fluid properties measured downhole | Ankur Prakash, John Rasmus, Richard J. Radtke, Michael Evans | 2015-02-24 |
| 8307913 | Drilling system with drill string valves | Benjamin Peter Jeffryes, Ashley Bernard Johnson, Brian Clark, John McCullagh | 2012-11-13 |
| 8172007 | System and method of monitoring flow in a wellbore | Louise Bailey, Ashley Bernard Johnson, Alistair Oag | 2012-05-08 |
| 7913775 | Subsurface formation core acquisition system using high speed data and control telemetry | Benjamin Peter Jeffryes | 2011-03-29 |