Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566485 | Assembly method for communicating with line in wellhead | Martin Oliphant, Keith Adams | 2023-01-31 |
| 10006553 | Vent valve and method of use | Kevin Read | 2018-06-26 |
| 9746215 | Heat powered reciprocating piston engine | Ivo M. Dabelic | 2017-08-29 |
| 8028755 | Quick lock wireline valve/blow-out preventor and methods for making and using same | David Trevor Darnell | 2011-10-04 |
| 4892280 | Clamping devices for use with elongate members | John D. McGugan, William A. Turner | 1990-01-09 |