Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548990 | Urethane adhesive cord treatment for power transmission belt and belt | William W. L. Wu, Joseph R. Duke, Jr. | 2023-01-10 |
| 10731726 | Electrically conductive power transmission belt | Christopher M. Thomas, Joseph R. Duke, Jr., Karla J. Bier | 2020-08-04 |
| 9829066 | Electrically conductive power transmission belt | Christopher M. Thomas, Joseph R. Duke, Jr., Karla J. Bier | 2017-11-28 |
| 8555504 | Method of forming a sprocket | Yahya Hodjat, Marc Cadarette | 2013-10-15 |