Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939826 | HVAC apparatus with HRV/ERV unit and vertical fan coil unit | Sheng Chu | 2015-01-27 |
| 7334542 | Compact high-efficiency boiler and method for producing steam | Lawrence Farrelly | 2008-02-26 |
| 7137360 | Tube assembly for a boiler | — | 2006-11-21 |