Issued Patents All Time
Showing 1–25 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270477 | Needle for a choke valve assembly | Frederic Pauchet, Edmund Peter McHugh, J. Daniel Belnap, Cheng Peng, David Wahlquist +3 more | 2025-04-08 |
| 12116844 | Tiling for downhole tool | David C. Hoyle, David R. Hall, Malcolm R. Taylor | 2024-10-15 |
| 12092226 | Choke valve assembly | Declan Elliott, Edmund Peter McHugh, Abinesh Gnanavelu, Jerry A. Martino, David C. Hoyle | 2024-09-17 |
| 10731420 | Indexing drill bit | David R. Hall, Joshua J. Hanson, Jonathan Marshall, John J. Pierce, Yuelin Shen +3 more | 2020-08-04 |
| 10711833 | Hard bearing attachment and alignment systems, apparatus, and techniques | Daniel Manwill, David R. Hall, Jonathan Marshall | 2020-07-14 |
| 10683895 | Systems and devices using hard bearings | David R. Hall, Jonathan Marshall, Daniel Manwill, R. Craig Boswell, Scott Richard Woolston | 2020-06-16 |
| 10578100 | High-pressure pump for use in a high-pressure press | David R. Hall | 2020-03-03 |
| 10472934 | Downhole transducer assembly | Jonathan Marshall | 2019-11-12 |
| 10030704 | Systems and devices using hard bearings | David R. Hall, Jonathan Marshall, Daniel Manwill, R. Craig Boswell, Scott Richard Woolston | 2018-07-24 |
| 9976348 | Tightly-closing dynamic assembly | David R. Hall, Jonathan Marshall, Daniel Manwill, Craig Boswell, Scott Richard Woolston +1 more | 2018-05-22 |
| 9863238 | Submersible electrical machine and method | Jerome Miles, Craig Boswell, Scott Wolston, Jacques Orban, Daniel Madsen | 2018-01-09 |
| 9574409 | Stabilizer assembly for wired drill pipe coupling | Michael Briscoe | 2017-02-21 |
| 9540886 | Thick pointed superhard material | David R. Hall, Ronald B. Crockett, Jeff Jepson, John Bailey | 2017-01-10 |
| 9539781 | Balanced cell for high-pressure high-temperature press | David R. Hall, Michael Hall, Ronald B. Crockett, Timothy C. Duke | 2017-01-10 |
| 9539782 | Individual resistance heating for high-pressure high-temperature cell | David R. Hall, Michael Hall, Ronald B. Crockett, Timothy C. Duke | 2017-01-10 |
| 9133674 | Downhole tool actuation having a seat with a fluid by-pass | David R. Hall | 2015-09-15 |
| 9127521 | Downhole tool actuation having a seat with a fluid by-pass | David R. Hall | 2015-09-08 |
| 8820440 | Drill bit steering assembly | David R. Hall, Jonathan Marshall | 2014-09-02 |
| 8485609 | Impact tool | David R. Hall, Ronald B. Crockett, Tyson J. Wilde | 2013-07-16 |
| 8434573 | Degradation assembly | David R. Hall, Ronald B. Crockett | 2013-05-07 |
| 8421287 | Downhole torodial generator with central passage | David R. Hall | 2013-04-16 |
| 8414085 | Shank assembly with a tensioned element | David R. Hall, Jonathan Marshall | 2013-04-09 |
| 8408336 | Flow guide actuation | David R. Hall, Paula Turner, Christopher Durrand, Jonathan Marshall | 2013-04-02 |
| 8371400 | Downhole tool actuation | David R. Hall, Jonathan Marshall | 2013-02-12 |
| 8365843 | Downhole tool actuation | David R. Hall, Jonathan Marshall | 2013-02-05 |