Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11091974 | Adjustable inner riser mandrel hanger assembly | John Lloyd Busby | 2021-08-17 |
| 9297214 | Marine subsea free-standing riser systems and methods | Roy Shilling, Paul W. Gulgowski, Jr., Philip D. Maule, Kevin Kennelley, Walter Greene +8 more | 2016-03-29 |
| 8960302 | Marine subsea free-standing riser systems and methods | Roy Shilling, Paul W. Gulgowski, Jr., Philip D. Maule, Kevin Kennelley, Walter Greene +8 more | 2015-02-24 |
| 6401827 | Tubing hanger running tool | Bobby L. Ferguson, Jose A. Alvarado, Charles D. Bridges, Eugene Borak | 2002-06-11 |