Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784065 | Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells | Dallas Laird Greenwood | 2017-10-10 |
| 9713829 | Washing apparatus | Dallas Laird Greenwood | 2017-07-25 |
| 9695643 | Pipe mat and method for using same for collecting fluids draining from drill pipe | Dallas Laird Greenwood | 2017-07-04 |
| 9689217 | Apparatus and method for containing fluid or gas released from a pipe | Dallas Laird Greenwood | 2017-06-27 |
| 9632512 | Well containment device | Dallas Laird Greenwood | 2017-04-25 |