Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760657 | Apparatus utilizing planetary gearset coupled to a constant torsion spring | Ryan Heiraas, John Russell Kingery | 2020-09-01 |
| 9791027 | Apparatus utilizing planetary gearset coupled to a constant torsion spring | Ryan Heiraas, John Russell Kingery | 2017-10-17 |
| 8277349 | Actuation system | William Zerull, Terrence L. Thompson, James H. Sandlin | 2012-10-02 |
| 5557154 | Linear actuator with feedback position sensor device | — | 1996-09-17 |
| 5491372 | Electric linear actuator with planetary action | — | 1996-02-13 |