Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499540 | Method for detecting a leak in a drill string valve | Jerome Schubert, Hans C. Juvkam-Wold, Curtis E. Weddle, III, Jonggeun Choe | 2002-12-31 |
| 6474422 | Method for controlling a well in a subsea mudlift drilling system | Jerome Schubert, Hans C. Juvkam-Wold, Curtis E. Weddle, III, Jonggeun Choe | 2002-11-05 |
| 6394195 | Methods for the dynamic shut-in of a subsea mudlift drilling system | Jerome Schubert, Hans C. Juvkam-Wold, Curtis E. Weddle, III, Jonggeun Choe | 2002-05-28 |