Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431821 | Energy storage and conversion using fluid energy and electric field to create electric charge | — | 2025-09-30 |
| 11081980 | Energy storage and conversion | — | 2021-08-03 |
| 6439186 | Mechanical oil filtration in an I.C. engine valve lifter | Ralph Clayson | 2002-08-27 |
| 6209499 | Retainer groove and variable resistance assembly | Daniel Patrick O'Neill, Thomas H. Lichti | 2001-04-03 |