Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188420 | Combined engine braking and positive power engine lost motion valve actuation system | Kevin P. Groth, Brian Ruggiero, Neil Fuchs, John J. Lester, Steven Ernest +1 more | 2025-01-07 |
| 11972116 | Process monitoring method and apparatus | Jinfeng Yuan, Yongcun Gan | 2024-04-30 |
| 10851717 | Combined engine braking and positive power engine lost motion valve actuation system | Kevin P. Groth, Brian Ruggiero, Neil Fuchs, John J. Lester, Steven Ernest +1 more | 2020-12-01 |
| 8936006 | Combined engine braking and positive power engine lost motion valve actuation system | Kevin P. Groth, Brian Ruggiero, Neil Fuchs, John J. Lester, Steven Ernest +1 more | 2015-01-20 |
| 7284533 | Method of operating an engine brake | Zhou Yang, John A. Schwoerer | 2007-10-23 |
| 7066159 | System and method for multi-lift valve actuation | Brian Ruggiero, Zhou Yang, Neil Fuchs, Robb Janak | 2006-06-27 |
| 6920868 | System and method for modifying engine valve lift | Brian Ruggiero, Zhou Yang | 2005-07-26 |
| 6883492 | Compact lost motion system for variable valve actuation | Richard Vanderpoel, John A. Schwoerer, Jeffrey Mossberg | 2005-04-26 |
| 6827067 | System and method for internal exhaust gas recirculation | Zhou Yang, Brian Ruggiero | 2004-12-07 |