Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396781 | Diverter for drilling operation | David Webb | 2022-07-26 |
| 10557324 | Diverter for drilling operation | David Webb | 2020-02-11 |
| 5186472 | Unitized radial shaft seal | Jesus Bengoa | 1993-02-16 |
| 4936591 | Low friction radial lip seal with deformable seal casing | — | 1990-06-26 |
| 4433846 | Readily removable shaft seal including venting tab | Michael J. Schmidt | 1984-02-28 |
| 4428586 | Combination wear sleeve and excluder lip adapted for easy installation | — | 1984-01-31 |