Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338753 | Variable cam timing phaser | John C. Bulzacchelli | 2025-06-24 |
| 12129925 | Variable tune hydraulic tensioner | Fenton O'Shea | 2024-10-29 |
| 11168591 | Hydraulically-actuated variable camshaft timing (VCT) phaser assembly with air venting | John C. Bulzacchelli | 2021-11-09 |
| 8226509 | Torque biased friction hinge for a tensioner | — | 2012-07-24 |
| 8105194 | Torque biased friction hinge for a tensioner | — | 2012-01-31 |
| 8007386 | Blade tensioner with opposing spans | — | 2011-08-30 |
| 7955206 | Self-energizing brake for a tensioner | — | 2011-06-07 |
| 5647587 | Document set accumulator having guide elements with compressible O-rings for tool-less adjustment | Mark Ricker, Leonard Neifert | 1997-07-15 |
| 5590873 | Document set accumulator having shaft-mounted multi-grooved pulleys for tool-less adjustment of lateral belt positioning | Steven McCay | 1997-01-07 |