Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405023 | HVAC system with indoor air quality monitoring and mitigation | Henry Greist, Elena Smirnova, Pete Hrejsa, Emile Abi-Habib, Dhishan Kande | 2025-09-02 |
| 12287107 | Indoor air quality monitors for HVAC systems | Rajesh Alayil, Henry Greist, Thomas John Wolowicz | 2025-04-29 |
| 12264830 | System and method of operating an HVAC system based on particulate matter and air filter efficiency | Surendran Ramasamy, Thomas John Wolowicz, Harsh Patel | 2025-04-01 |
| 12117188 | Indoor air quality monitors for commercial HVAC systems | Rajesh Alayil, Henry Greist, Thomas John Wolowicz | 2024-10-15 |
| 12061137 | Measuring indoor air quality for a heating, ventilation, and air conditioning system | Surendran Ramasamy, Henry Greist, Calvin Michaelis | 2024-08-13 |
| 11519839 | Pressure probe including multiple orfices for measuring air pressure in varying airflow systems | Henry Greist | 2022-12-06 |
| 11391656 | Pressure probes and pressure measurements in airflow | Henry Greist | 2022-07-19 |
| 10955324 | Pressure probe including multiple orifices for measuring air pressure in varying airflow systems | Henry Greist | 2021-03-23 |
| 10518206 | Systems and methods of predicting life of a filter in an HVAC system | Henry Greist, Peter Hrejsa | 2019-12-31 |
| 10092672 | Air filtration media for air purification | Thomas John Wolowicz, Henry Greist | 2018-10-09 |
| 9751077 | Air filtration using manganese oxide | Henry Greist | 2017-09-05 |
| 9498555 | Air filtration media for air purification | Thomas John Wolowicz, Henry Greist | 2016-11-22 |
| 9333488 | Air filtration using manganese oxide | Henry Greist | 2016-05-10 |
| 8382874 | Air filter having dimensional extending tabs | Henry Greist | 2013-02-26 |