Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549644 | Apparatus and method for making internally finned pressure vessel | Michael Zedelmair, Yi Chao, Robin Willis | 2023-01-10 |
| 10989178 | Environmental thermal energy conversion | Jack A. Jones, Yi Chao, Michael Zedelmair, Robin Willis, Robert Scott Leland | 2021-04-27 |
| 10443581 | Environmental thermal energy conversion | Jack A. Jones, Yi Chao, Michael Zedelmair, Robin Willis, Robert Scott Leland | 2019-10-15 |