Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305763 | Piston ring with variable pressure relief | Döndü Karabel | 2025-05-20 |
| 11187322 | Piston ring having a stepped running surface | Jurgen Gillen, FABIAN RUCH | 2021-11-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305763 | Piston ring with variable pressure relief | Döndü Karabel | 2025-05-20 |
| 11187322 | Piston ring having a stepped running surface | Jurgen Gillen, FABIAN RUCH | 2021-11-30 |