Patents per Year
Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12369663 | Belt tightening system | Darren Kinney | 2025-07-29 |
| 11415186 | Automatic reversing mechanism for a rock drill | Michael Craghead | 2022-08-16 |
| 10449105 | System and method of bidirectional compliant joint torque actuation | — | 2019-10-22 |
| 9662262 | Joint torque augmentation system and method for gait assistance | Nathan Cahill, Darren Kinney, Preston Clouse, Robert Holgate, Raymond L. Churchwell | 2017-05-30 |
| 9289316 | Quasi-active prosthetic joint system | Jeffrey A. Ward, Robert Holgate | 2016-03-22 |
| 8770624 | Impact protection | — | 2014-07-08 |
| 8716877 | Method and apparatus for harvesting energy from ankle motion | Thomas Sugar, Joseph Karl Hitt, Alex Boehler, Jeffrey A. Ward | 2014-05-06 |
| 8322695 | Adjustable stiffness Jack Spring actuator | Thomas Sugar | 2012-12-04 |
| 7992849 | Adjustable stiffness jack spring actuator | Thomas Sugar | 2011-08-09 |
| 7527253 | Adjustable stiffness leaf spring actuators | Thomas Sugar | 2009-05-05 |