Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247667 | Split piston ring unit | Petru M. Berghian | 2025-03-11 |
| 12123500 | Piston ring and method of manufacture | Jose Valentim Lima Sarabanda | 2024-10-22 |
| 11162585 | Piston having two piston rings | Erich John Rabassa, Jason Bieneman, Ashfaque Ahamed | 2021-11-02 |
| 11162586 | Piston ring and method of manufacture | Jose Valentim Lima Sarabanda, Gisela Ablas Marques | 2021-11-02 |
| 11156291 | Piston ring and method of manufacture | Jose Valentim Lima Sarabanda, Gisela Ablas Marques | 2021-10-26 |
| 11047478 | Piston ring and method of manufacture | Jose Valentim Lima Sarabanda | 2021-06-29 |
| 10371086 | Piston ring for improved lubrication oil consumption | Erich John Rabassa, Kaushik Kirana Prasad | 2019-08-06 |