Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879010 | Seal assembly with mechanically joined anti-extrusion rings | Paul E. Roberts, Saul Guevara, Romel R. Ner | 1999-03-09 |
| 5524905 | Sealing assembly with T-shaped seal ring and anti-extrusion rings | Richard Thoman | 1996-06-11 |
| 5431415 | Seal with acute heel angle | Hans Millonig | 1995-07-11 |
| 5171027 | High temperature and pressure fluid seal | Ronald A. Domkowski, George H. Johnson | 1992-12-15 |