Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562698 | Passive constant pressure hatch for fresh air direct fired gas heated ventilation systems | — | 2017-02-07 |
| 7582009 | Adjustable air volume regulator for heating, ventilating and air conditioning systems | — | 2009-09-01 |
| 5368072 | Sliding gate terminal unit for air handling system | — | 1994-11-29 |
| 5365975 | Constant air pressure unit for air handling system | — | 1994-11-22 |