Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473456 | Cylinder head valve seat with high thermal conductivity and multiple material cross-section | Qigui Wang, Jeffrey B. Harris, Herbert W. Doty, Dale A. Gerard | 2022-10-18 |
| 11326485 | Method of manufacture and design of cast-in-place valve seats | Qigui Wang, Thomas W. Gustafson, Dale A. Gerard | 2022-05-10 |