Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414923 | Heat recovery boiler for high pressure gas | Robert James Krowech | 1983-11-15 |
| 4188916 | Waste heat boiler for abstraction of heat energy from gaseous effluent containing corrosive chemical contaminants | Wendell L. Y. Hung | 1980-02-19 |