Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453790 | Fan coil ceiling unit with closely coupled silencers | Patrick Oliver, Alf Dyck | 2013-06-04 |
| 8210308 | Sound attentuator | Jarvis Penner, Alfred Theodor Dyck, Brad Curtis Tully | 2012-07-03 |
| 7806228 | Single duct silencing terminal unit | Alfred Theodor Dyck, Duane McLennan, James W. Patterson, Johann Joel Emile Baetsen | 2010-10-05 |
| 7806229 | Fan powered silencing terminal unit | Alfred Theodor Dyck, Duane McLennan, James W. Patterson, Johann Joel Emile Baetsen | 2010-10-05 |
| 7243556 | Airflow sensor | Alfred Theodor Dyck | 2007-07-17 |
| 6237426 | Airflow sensor | Alfred Theodor Dyck, Kenneth G. Lenton | 2001-05-29 |