Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11389858 | Cold rolling devices and cold rolled rotary shouldered connection threads | Rakesh Singh, Ke Ken Li, Michael Hui Du, Fei Song, Stephen Ray Stafford +2 more | 2022-07-19 |
| 11066922 | Mounting electronics and monitoring strain of electronics | — | 2021-07-20 |
| 10662722 | Threaded connections and downhole tools incorporating the same | Xiaoge Gan, Ke Chen, Venkatesh Karuppiah, Anthony Collins, Ke Ken Li +3 more | 2020-05-26 |
| 10570722 | Measurement and control of shock and vibration | Raphael Gadot, Dale Meek | 2020-02-25 |
| 10160033 | Cold rolling devices and cold rolled rotary shouldered connection threads | Rakesh Singh, Ke Ken Li, Michael Hui Du, Fei Song, Stephen Ray Stafford +2 more | 2018-12-25 |
| 10145496 | Rotary shouldered connections and thread design | Ke Ken Li, Fei Song, Rakesh Singh, Michael Hui Du, Anthony Collins | 2018-12-04 |
| 9945223 | Fatigue calculator generation system | Ke Ken Li, Edward George Parkin, Rakesh Singh, Anthony Collins | 2018-04-17 |
| 9238963 | Systems and methods for detecting phases in multiphase borehole fluids | Mark Frey, Devin Rock, Robert Utter | 2016-01-19 |
| 9217289 | Casing drilling bottom hole assembly having wireless power and data connection | Raphael Gadot, Brian Clark | 2015-12-22 |
| 9217299 | Drilling bottom hole assembly having wireless power and data connection | Raphael Gadot, Brian Clark | 2015-12-22 |
| 9206644 | Positive displacement motor (PDM) rotary steerable system (RSS) and apparatus | Brian Clark, Raphael Gadot | 2015-12-08 |
| 8827006 | Apparatus and method for measuring while drilling | — | 2014-09-09 |
| 8499836 | Electrically activating a jarring tool | Reinhart Ciglenec | 2013-08-06 |
| 8408333 | Steer systems for coiled tubing drilling and method of use | Satish Pai, Geoff Downton, Warren Zemlak, Devin Rock, Jonathan Mattick +1 more | 2013-04-02 |
| 8020632 | Method and system for wellbore communication | — | 2011-09-20 |
| 7988409 | Method and apparatus for extending flow range of a downhole turbine | — | 2011-08-02 |
| 7552761 | Method and system for wellbore communication | — | 2009-06-30 |
| 7298285 | Rotary downlink system | — | 2007-11-20 |
| 7182153 | Methods of casing drilling | — | 2007-02-27 |
| 7123161 | Method and apparatus enhanced acoustic mud pulse telemetry | Benjamin Peter Jeffryes, Sandra Reyes | 2006-10-17 |
| 7086485 | Directional casing drilling | Michael Robert Johnson | 2006-08-08 |
| 7004263 | Directional casing drilling | Michael Robert Johnson, Attilio Pisoni, Ruben Martinez, Spyro Kotsonis, Alain P. Dorel +2 more | 2006-02-28 |
| 6761230 | Downhole drilling apparatus and method for using same | Barry W. Cross, Mario Araya, Kenneth W. Turner, Jean-Michel Hache | 2004-07-13 |
| 6219301 | Pressure pulse generator for measurement-while-drilling systems which produces high signal strength and exhibits high resistance to jamming | — | 2001-04-17 |
| RE36012 | Accelerator-based methods and apparatus for measurement-while-drilling | William A. Loomis, Kenneth E. Stephenson, Jerome A. Truax, Wolfgang Ziegler, S. Zema Chowdhuri +6 more | 1998-12-29 |