Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920939 | Dehumidifer/cooler and method | — | 2018-03-20 |
| 9605905 | Air-to-air counter-flow heat exchanger | — | 2017-03-28 |
| 8162042 | Energy recovery ventilator with condensate feedback | — | 2012-04-24 |
| 7640662 | Method of making heat exchangers | — | 2010-01-05 |
| 7497247 | Heat exchanger | — | 2009-03-03 |
| 7334629 | Ventilating system, heat exchanger and methods | — | 2008-02-26 |
| 7231967 | Ventilator system and method | — | 2007-06-19 |
| 6983788 | Ventilating system, heat exchanger and methods | — | 2006-01-10 |
| 6176305 | Ventilator system and method | — | 2001-01-23 |