Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935220 | Contoured piston | Valery Dunaevsky | 2005-08-30 |
| 5823159 | Independent valve train lubrication system | — | 1998-10-20 |
| 5743171 | Oil control ring and groove arrangement for improved blowby control | — | 1998-04-28 |
| 5737999 | Blowby pressure control above an oil control ring in a reciprocating internal combustion engine | — | 1998-04-14 |
| 5558054 | Variable preload system for valve springs | Jongmin Lee | 1996-09-24 |
| 5224449 | Lean-burn internal combustion system | Yukiyoshi Fukano | 1993-07-06 |
| 5119780 | Staged direct injection diesel engine | — | 1992-06-09 |
| 5083536 | Compression piston ring groove for an internal combustion engine | — | 1992-01-28 |
| 4913111 | Turbulence generator for two-stroker spark-assisted diesel engines | — | 1990-04-03 |
| 4686941 | Turbulence generator for two-stroke spark-assisted diesel engines | — | 1987-08-18 |