Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970958 | Chain or belt drive with multiple non-prevalent order sprockets or pulleys | — | 2024-04-30 |
| 11486473 | Variable force tensioner arm with cap disk spring | Keith B. Cobb, Sean Simmons | 2022-11-01 |
| 11448293 | Variable force tensioner with internal reservoir technology primary bore | Keith B. Cobb | 2022-09-20 |
| 11402000 | Tensioner with spring force control in a second bore | Dale N. Smith | 2022-08-02 |
| 11078992 | Chain drive tensioner spring force control mechanism | Mark Patton, Dale N. Smith | 2021-08-03 |
| 10907721 | Non-prevalent order random sprocket | — | 2021-02-02 |
| 10738860 | Hydraulic tensioner with controllable inlet pressure | Mark M. Wigsten, Dale N. Smith, Sean Simmons, Seongdo HONG | 2020-08-11 |
| 10677325 | Chain drive tensioner spring force control mechanism | Mark Patton, Dale N. Smith | 2020-06-09 |
| 10612629 | Tensioner with spring force control in a second bore | Dale N. Smith | 2020-04-07 |
| 10436291 | Tensioner with spring force control in a second bore | Dale N. Smith | 2019-10-08 |
| 10125849 | Chain drive tensioner spring force control mechanism | Mark Patton, Dale N. Smith | 2018-11-13 |
| 10077825 | Tensioner with spring force control | Dale N. Smith, Robert G Williamson, Fenton O'Shea | 2018-09-18 |
| 9879764 | Chain drive tensioner spring force control mechanism | Mark Patton, Dale N. Smith | 2018-01-30 |
| 9683637 | Tensioner with spring force control in a second bore | Dale N. Smith | 2017-06-20 |
| 9377087 | Chain drive tensioner spring force control mechanism | Mark Patton, Dale N. Smith | 2016-06-28 |
| 9377088 | Chain drive tensioner spring force control mechanism | Mark Patton, Dale N. Smith | 2016-06-28 |
| 9360088 | Chain drive tensioner spring force control mechanism | Mark Patton, Dale N. Smith | 2016-06-07 |
| 8430775 | Multiple tension reducing sprockets in a chain and sprocket system | Mariano Garcia | 2013-04-30 |
| 8066602 | Tension-reducing random sprocket | — | 2011-11-29 |
| 7654925 | Tension-reducing random sprocket | — | 2010-02-02 |
| 7125356 | Tension-reducing random sprocket | — | 2006-10-24 |
| 6609985 | Tensioner with vibrational damping | Mark Patton | 2003-08-26 |
| 6106423 | Dual tensioner system for balance shaft drive | David C. White, Randy McDonald, Michael Marsh | 2000-08-22 |
| 5700213 | Integral inlet and pressure relief valve for an automotive tensioner | Roger T. Simpson | 1997-12-23 |
| 5655416 | Torsional absorber for camshaft sprockets | Philip J. Mott, Roger T. Simpson | 1997-08-12 |