Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326670 | Tensioner with piston containing an internal check valve | Keith B. Cobb, Paul Freemantle, Robert G Williamson, Adam C. Hunt | 2022-05-10 |
| 10871207 | Hydraulic tensioner expandable clip lock | Paul Freemantle, Nicholas D. Andrus | 2020-12-22 |
| 10738860 | Hydraulic tensioner with controllable inlet pressure | Mark M. Wigsten, Kevin B. Todd, Dale N. Smith, Sean Simmons | 2020-08-11 |
| 10006524 | Integrated pressure relief valve for hydraulic tensioner | Matthew W. Crump, Toru Shinoyama | 2018-06-26 |