Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291939 | Electrical actuation of a valve in a wellhead assembly | David G. Holliday, John Mossop, David Scantlebury, Matthew Crotwell, Christopher D. Bartlett +1 more | 2025-05-06 |
| 12084937 | Barrier arrangement in wellhead assembly | Chris D. Bartlett, Raymond A. Guillory, Blake T. DeBerry, Marcus Smedley, Gregory Norwood +3 more | 2024-09-10 |
| 11834918 | Tubing hanger orientation spool adaptor | Gregory D. Williams, Eleazar Herrera, Morris B. Wade, Todd L. Scaggs | 2023-12-05 |
| 11773678 | Barrier arrangement in wellhead assembly | Chris D. Bartlett, Raymond A. Guillory, Blake T. DeBerry, Marcus Smedley, Gregory Norwood +3 more | 2023-10-03 |
| 11542778 | Barrier arrangement in wellhead assembly | Chris D. Bartlett, Raymond A. Guillory, Blake T. DeBerry, Marcus Smedley | 2023-01-03 |
| 10697264 | Subsea system and method for high pressure high temperature wells | Bruce J. Witwer, Justin Edward Morse, Gregory D. Williams, James R. Bower | 2020-06-30 |
| 10675972 | Drive shaft bearing support assembly and multi-radius cap for bearing support housing | — | 2020-06-09 |
| 10392907 | Subsea system and method for high pressure high temperature wells | Bruce J. Witwer, Justin Edward Morse, Gregory D. Williams, James R. Bower | 2019-08-27 |
| 5263279 | Prop-supporting device | Leopold Delsanne, Jean-Marie Allard | 1993-11-23 |
| 4908900 | Folding cleaning tool | Jean-Marie Allard | 1990-03-20 |