Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533032 | Subsea pig launcher and method of using the same | Ricardo Moreira Seixas | 2003-03-18 |
| 6098715 | Flowline connection system | Ricardo Moreira Seixas | 2000-08-08 |
| 5195723 | Balanced retention valve | Ricardo Moreira Seixas | 1993-03-23 |
| 4754813 | Tree capless cone seal manifold | Charles E. Jennings, Jon E. Hed, Jeffrey Douglas Otten, Lee A. Gillette, Christian G. Marius | 1988-07-05 |