Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060425 | Valve seat insert for engine head having venturi flow crowns and seating surface profiled for limiting valve recession | Ashwin A. Hattiangadi, Srikanth Reddy Boddapati, Dongyao Wang, Uijal Paladhi, John R. Brubaker +1 more | 2021-07-13 |
| 10989321 | Double-crowned valve seat insert having seating surface formed of hard-facing material | Ashwin A. Hattiangadi, Rong Qu, Karen Snelling, Pay Broderson | 2021-04-27 |
| 10767520 | Valve seat insert for long life natural gas lean burn engines | Ashwin A. Hattiangadi, Rong Qu | 2020-09-08 |