Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11859842 | Indoor air quality purification system for a heating, ventilation and cooling system of a building | Hal Ross Gurman, Dhirenda Damji | 2024-01-02 |
| 10882055 | Ionization air purification system for the passenger cabin of a vehicle | Hal Ross Gurman | 2021-01-05 |
| 8922971 | Integrated bi-polar ionization air purification for fan-powered air distribution devices | Michael Tsekhansky, Carlos Gendron | 2014-12-30 |
| 8747754 | Bipolar ionization tube | — | 2014-06-10 |