Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151175 | Remote downhole actuation device | Eugene Janssen | 2018-12-11 |
| 9650851 | Autonomous untethered well object | John R. Whitsitt, Thomas D. MacDougall, Gary L. Rytlewski | 2017-05-16 |
| 9482233 | Electric submersible pumping sensor device and method | Arthur I. Watson, Kenneth Armstrong, John David Rowatt | 2016-11-01 |
| 9206684 | Artificial lift equipment power line communication | Luis Parra, Fraz Ahmad Kharal, Jostein Fonneland | 2015-12-08 |
| 7982633 | Data communication and power supply system for downhole applications | John Freer | 2011-07-19 |
| 7787525 | Method and apparatus for transmission of well-bore data on multiple carrier frequencies | Lloyd Douglas Clark, Joseph M. Steiner, Jr., Suzanne D. Richardson, Ramon Hernandez-Marti, Terry L. Mayhugh +2 more | 2010-08-31 |
| 7624800 | System and method for sensing parameters in a wellbore | Donald R. Jamieson, Arthur I. Watson, Kenneth Armstrong, Adrian Carr | 2009-12-01 |
| 6378610 | Communicating with devices positioned outside a liner in a wellbore | Chistophe M. Rayssiguier, Michael Robert Johnson, Ronald E. Pringle, Alexandre Kosmala | 2002-04-30 |
| 6302203 | Apparatus and method for communicating with devices positioned outside a liner in a wellbore | Chistophe M. Rayssiguier, Michael Robert Johnson, Ronald E. Pringle | 2001-10-16 |