Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366157 | Wellbore logging device | Nasim Morawej | 2025-07-22 |
| 10718164 | Downhole vibration assembly and method of using same | — | 2020-07-21 |
| 10590705 | Impact-driven downhole motors | Mark Sheehan | 2020-03-17 |
| 10184298 | Adjustable bend assembly for a downhole motor | Nicholas Ryan Marchand | 2019-01-22 |
| 9963937 | Method and apparatus for controlling downhole rotational rate of a drilling tool | Nicholas Ryan Marchand, Ralph William Graeme Johns | 2018-05-08 |
| RE46746 | Mud-lubricated bearing assembly with mechanical seal | Nicholas Ryan Marchand | 2018-03-06 |
| 9822587 | Method and apparatus for controlling downhole rotational rate of a drilling tool | Nicholas Ryan Marchand, Ralph William Graeme Johns | 2017-11-21 |
| 9771757 | Downhole motor with concentric rotary drive system | Nicholas Ryan Marchand, Jeffery Ronald Clausen | 2017-09-26 |
| 9587437 | Powered reaming device | Alan Martyn Eddison | 2017-03-07 |
| 9574401 | Downhole motor with concentric rotary drive system | Nicholas Ryan Marchand, Jeffery Ronald Clausen | 2017-02-21 |
| 9567850 | System of monitoring rotational time of rotatable equipment | Michael Xuefei Tang | 2017-02-14 |
| 9518428 | Mechanism for providing controllable angular orientation while transmitting torsional load | Nicholas Ryan Marchand | 2016-12-13 |
| 9488045 | System and method for controlling a downhole tool | Jeffery Ronald Clausen, Rami Zewail | 2016-11-08 |
| 9476263 | Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter | Jeffery Ronald Clausen | 2016-10-25 |
| 9347269 | Adjustable bend assembly for a downhole motor | Nicholas Ryan Marchand | 2016-05-24 |
| 9206647 | Method and apparatus for controlling downhole rotational rate of a drilling tool | Nicholas Ryan Marchand, Ralph William Graeme Johns | 2015-12-08 |
| 9016400 | Downhole rotary drilling apparatus with formation-interfacing members and control system | Jeffery Ronald Clausen | 2015-04-28 |
| 8869916 | Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter | Jeffery Ronald Clausen | 2014-10-28 |
| 8827562 | Mud-lubricated bearing assembly with mechanical seal | Nicholas Ryan Marchand | 2014-09-09 |
| 8827316 | Torque member for threaded connections | Jody Allan Raczynski | 2014-09-09 |
| 8783354 | Apparatus and method for adjusting spring preload in a downhole tool | Mark Sheehan, Jeffery Ronald Clausen | 2014-07-22 |
| 8474527 | Mechanism for providing controllable angular orientation while transmitting torsional load | Nicholas Ryan Marchand | 2013-07-02 |
| 8181720 | Sealing system and bi-directional thrust bearing arrangement for a downhole motor | Frederick William Pheasey | 2012-05-22 |
| 8033917 | Drive shaft assembly for a downhole motor | Mark Voghell | 2011-10-11 |
| 7814995 | Hydraulic jar and an overpressure relief mechanism therefor | Jeffery Ronald Clausen, John Cobb | 2010-10-19 |