Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702461 | Piston ring | Rodrigo Favaron | 2017-07-11 |
| 8561998 | Nitrided piston ring resistant to the propagation of cracks | André Ferrarese, Claudinei José de Oliveira, Jan Vatavuk | 2013-10-22 |
| 7891669 | Piston ring with chromium nitride coating for internal combustion engines | Juliano Avelar Araujo, Jose Valentim Lima Sarabanda, Robert Banfield | 2011-02-22 |
| 7833636 | Piston ring with sulphonitriding treatment | Juliano Avelar Araujo, Jose Valentim Lima Sarabanda | 2010-11-16 |