Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542791 | Systems and methods for casing drilling subsea wells | Kenneth J. Kotow, James Wakefield, Nitin Maheshwar Kulkarni | 2023-01-03 |
| 9970258 | Remotely operated stage cementing methods for liner drilling installations | Ivan Andre Barannikow, Douglas Brian Farley, Egor Dudochkin, Bjørn Erling Hagen, Richard Dalzell | 2018-05-15 |
| 9915105 | Swivel and method of use | Ivan Andre Barannikow, Douglas Brian Farley, Egor Dudochkin | 2018-03-13 |
| 7857052 | Stage cementing methods used in casing while drilling | Richard L. Giroux | 2010-12-28 |