Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803929 | Indirect heat exchanger | David Andrew Aaron, Zan Liu | 2017-10-31 |
| 9587885 | Cooling tower with indirect heat exchanger | David Andrew Aaron, Zan Liu, Branislav Korenic, John Edward Rule, Preston Blay | 2017-03-07 |