Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162585 | Piston having two piston rings | Fabio Mendes de Araujo, Erich John Rabassa, Ashfaque Ahamed | 2021-11-02 |
| 10428945 | Inlaid ring with plated lateral side | Thomas J. Smith, Alexander S. Cooper, Robert J. Piccard, Timothy Andros, Claudinei J. de Oliveira +2 more | 2019-10-01 |
| 9903310 | Piston with anti-carbon coating and method for applying an anti-carbon coating on a piston | Nikhil Nachappa | 2018-02-27 |
| 9829105 | Nitride coated piston ring | Thomas J. Smith | 2017-11-28 |
| 9638322 | Piston ring with dual coating | Thomas J. Smith | 2017-05-02 |
| 9611532 | Coating additive | Thomas Stong, Thomas J. Smith | 2017-04-04 |
| 7188841 | Secondary piston seal | Steven J. Sytsma | 2007-03-13 |