Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781892 | Press-fit check valve for a hydraulic tensioner reservoir with metered backflow | Keith B. Cobb, Matthew W. Crump | 2020-09-22 |
| 10738860 | Hydraulic tensioner with controllable inlet pressure | Mark M. Wigsten, Kevin B. Todd, Sean Simmons, Seongdo HONG | 2020-08-11 |
| 10677325 | Chain drive tensioner spring force control mechanism | Kevin B. Todd, Mark Patton | 2020-06-09 |
| 10612629 | Tensioner with spring force control in a second bore | Kevin B. Todd | 2020-04-07 |
| 10539051 | Valve operating system providing variable valve lift and/or variable valve timing | Mark M. Wigsten | 2020-01-21 |