Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11324145 | Ventilation control apparatus and method | Richard De Felice, David G. Therrien, Robert Paterson | 2022-05-03 |
| 11140798 | Ventilation control apparatus and method | Richard De Felice, David G. Therrien, Robert Paterson | 2021-10-05 |
| 11079161 | Ventilation controller for equipment enclosure | Richard De Felice, Robert Paterson, Richard Grundy, Greg MacPherson | 2021-08-03 |
| 10670315 | Ventilation controller for equipment enclosure | Richard De Felice, Robert Paterson, Richard Grundy, Greg MacPherson | 2020-06-02 |
| 8770493 | Telecom shelter cooling and control system | David G. Therrien | 2014-07-08 |
| 8313038 | Telecom shelter cooling and control system | David G. Therrien | 2012-11-20 |
| 7309968 | Motor control circuit and associated full bridge switching arrangement | Nigel Strike | 2007-12-18 |
| 6830440 | External rotor brushless DC motor | — | 2004-12-14 |
| 6674369 | Fan control circuit | — | 2004-01-06 |
| 4831372 | Display apparatus | — | 1989-05-16 |