Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740863 | Subsea wellhead mechanical erosion detector | Charles R. Ortloff, Thomas Dorsch, John C. Vicic, Michael R. Williams | 1998-04-21 |
| 4754813 | Tree capless cone seal manifold | Charles E. Jennings, Jon E. Hed, Jeffrey Douglas Otten, Bruno Schauerte, Christian G. Marius | 1988-07-05 |