Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094450 | Rotational tensioner with stored energy and damping feature | Sean Simmons | 2018-10-09 |
| 9618096 | Chain or belt tensioner with a ratchet that deactivates | George L. Markley, Dale N. Smith, Joseph P. Goodsell | 2017-04-11 |
| 9267579 | Chain or belt tensioner with a ratchet that deactivates | George L. Markley, Dale N. Smith, Joseph P. Goodsell | 2016-02-23 |
| 9188202 | Tensioning mechanism for a continuous belt or chain drive system | George L. Markley | 2015-11-17 |
| 8277347 | Tensioner | Kazuyuki Miyake | 2012-10-02 |
| 7691017 | Hydraulic tensioner | Shin Seungpyo | 2010-04-06 |
| 7455607 | Tensioner | Kinzo Narita, Junichi Wake | 2008-11-25 |