Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055003 | Advanced loading method for ball rotation cutting and method of use therefor | Darrin N. Towers, Kenneth L. Schwendemann | 2024-08-06 |
| 11788378 | Locally powered electric ball valve mechanism | Darrin N. Towers, Kenneth L. Schwendemann | 2023-10-17 |
| 10961817 | Electrohydraulic quick union for subsea landing string | Russell Stephen Haake, Stevan Jaye Sparks, Kenneth L. Schwendemann, Steven B. Scheibel, Darrin N. Towers | 2021-03-30 |
| 10794138 | Modular manifold system for an electrohydraulic control system | Darrin N. Towers | 2020-10-06 |