Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451351 | Thermosyphon coolers for cooling systems with cooling towers | Joseph W. Pillis, Delmar E. Lehman | 2019-10-22 |
| 10302363 | Thermosyphon coolers for cooling systems with cooling towers | Joseph W. Pillis, Delmar E. Lehman | 2019-05-28 |
| 10295262 | Thermosyphon coolers for cooling systems with cooling towers | Joseph W. Pillis, Delmar E. Lehman | 2019-05-21 |