Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11624237 | Rotary steerable tool with proportional control valve | William Breuer, Serhiy Korostensky | 2023-04-11 |
| 11162303 | Rotary steerable tool with proportional control valve | William Breuer, Serhiy Korostensky | 2021-11-02 |
| 11156735 | Acoustic logging tool | Christopher S Funke, Jr., Sergei Knizhnik, Dmitry Avdeev, Michael Joyce | 2021-10-26 |
| 10995611 | Downhole tool with multiple welded section | Christopher S Funke, Jr., Guy A. Daigle, William Breuer, Richard Rothstein | 2021-05-04 |
| 10184301 | Downhole drilling tools and connection system for same | Guy A. Daigle, Daniel E. Burgess | 2019-01-22 |
| 9976413 | Pressure locking device for downhole tools | David S. Cramer, Andrew Roberts | 2018-05-22 |
| 9746080 | High pressure seal assembly for a moveable shaft | — | 2017-08-29 |
| 9540926 | Mud-pulse telemetry system including a pulser for transmitting information along a drill string | Richard Rothstein | 2017-01-10 |
| 9458679 | Apparatus and method for damping vibration in a drill string | William Evans Turner, Mark Hutchinson, Dirk Bosman, Mark Ellsworth Wassell, Martin E. Cobern | 2016-10-04 |
| 9279903 | Apparatus for measuring bending on a drill bit operating in a well | Mark Ellsworth Wassell, Martin E. Cobern | 2016-03-08 |
| 8944190 | System and method for damping vibration in a drill string | Mark Ellsworth Wassell, William Evans Turner, Daniel E. Burgess | 2015-02-03 |
| 8662205 | System and method for damping vibration in a drill string | Mark Ellsworth Wassell, William Evans Turner, Daniel E. Burgess | 2014-03-04 |
| 8397562 | Apparatus for measuring bending on a drill bit operating in a well | Mark Ellsworth Wassell, Martin E. Cobern | 2013-03-19 |
| 8240401 | System and method for damping vibration in a drill string | Mark Ellsworth Wassell, William Evans Turner, Daniel E. Burgess | 2012-08-14 |
| 8245274 | Method for communication security and apparatus therefore | Stuart Green, Scott Gabriel Brown, Jonathan M. Crain, Jeffrey Van Myers, Marcus L. Yax | 2012-08-14 |
| 7997357 | System and method for damping vibration in a drill string | Mark Ellsworth Wassell, William Evans Turner, Daniel E. Burgess | 2011-08-16 |
| 7762356 | Rotary steerable motor system for underground drilling | William Evans Turner, Mark Ellsworth Wassell, Jason R. Barbely, Daniel E. Burgess, Martin E. Cobern | 2010-07-27 |
| 7716717 | Improving security of data communications networks | Stuart Green, Scott Gabriel Brown, Jonathan M. Crain, Jeffrey Van Myers, Marcus L. Yax | 2010-05-11 |
| 7389830 | Rotary steerable motor system for underground drilling | William Evans Turner, Mark Ellsworth Wassell, Jason R. Barbely, Daniel E. Burgess, Martin E. Cobern | 2008-06-24 |
| 7377339 | System and method for damping vibration in a drill string | Mark Ellsworth Wassell, William Evans Turner, Daniel E. Burgess | 2008-05-27 |
| 7327634 | Rotary pulser for transmitting information to the surface from a drill string down hole in a well | Daniel E. Burgess, William Evans Turner | 2008-02-05 |
| 7249968 | Electrical connections for harsh conditions | Douglas J. Fish, William Evans Turner, Mark Ellsworth Wassell | 2007-07-31 |
| 7219752 | System and method for damping vibration in a drill string | Mark Ellsworth Wassell, William Evans Turner, Daniel E. Burgess | 2007-05-22 |
| 7201239 | Power-generating device for use in drilling operations | — | 2007-04-10 |
| 7152240 | Method for communication security and apparatus therefor | Stuart Green, Scott Gabriel Brown, Jonathan M. Crain, Jeffrey Van Myers, Marcus L. Yax | 2006-12-19 |