Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993086 | High crown anti-rotation bolt | Brian W. Ring, Jeff Enneking | 2011-08-09 |
| 6327962 | One piece piston with supporting piston skirt | — | 2001-12-11 |
| 6286414 | Compact one piece cooled piston and method | — | 2001-09-11 |
| 6279455 | Method and apparatus for making a two piece unitary piston | — | 2001-08-28 |
| 6250275 | Internal combustion engine piston pin lubrication | Allyn P. Bock | 2001-06-26 |
| 6223701 | Cooled one piece piston and method | — | 2001-05-01 |
| 6164261 | Internal combustion engine piston assembly and method | — | 2000-12-26 |
| 6145481 | Cooling ring for a cylinder liner in an internal combustion engine | Allyn P. Bock | 2000-11-14 |