Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12251658 | System, apparatus, and method for capture of multi-pollutants from industrial gases and/or exhausts | Donald Nelson Grace | 2025-03-18 |
| 11035260 | System, apparatus, and method for energy conversion | Donald Nelson Grace | 2021-06-15 |
| 8453452 | Method of efficiency and emissions performance improvement for the simple steam cycle | — | 2013-06-04 |
| 7690201 | Method of efficiency and emissions performance improvement for the simple steam cycle | — | 2010-04-06 |
| 5570681 | Residential boiler/furnace with the intermediate water circuit | Eugene Tseytlin | 1996-11-05 |