Issued Patents All Time
Showing 25 most recent of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422158 | Energy management and smart thermostat learning methods and control systems | Brian R. Butler, Kevin Patrick Hallinan, Kefan Huang, Abdulrahman Alanezi, David A. ALFANO +1 more | 2025-09-23 |
| 12345433 | Indoor air quality sensor calibration systems and methods | Hung M. Pham, Brian R. Butler | 2025-07-01 |
| 12311308 | Particulate-matter-size-based fan control system | Hung M. Pham, Brian R. Butler | 2025-05-27 |
| 12259148 | Computerized HVAC filter evaluation system | Hung M. Pham, Brian R. Butler | 2025-03-25 |
| 12078373 | Systems and methods for adjusting mitigation thresholds | Hung M. Pham, Brian R. Butler | 2024-09-03 |
| 11994313 | Indoor air quality sensor calibration systems and methods | Hung M. Pham, Brian R. Butler | 2024-05-28 |
| 11754324 | Refrigerant isolation using a reversing valve | Andrew M. Welch, Winfield S. Morter, Brian R. Butler | 2023-09-12 |
| 11732916 | Refrigeration leak detection | Brian R. Butler, Hung M. Pham, Winfield S. Morter, Andrew M. Welch, David A. ALFANO +1 more | 2023-08-22 |
| 11713893 | Refrigeration leak detection | Brian R. Butler, Hung M. Pham, Winfield S. Morter, Andrew M. Welch, David A. ALFANO +1 more | 2023-08-01 |
| 11649997 | Refrigerant leak sensor power control systems and methods | David A. ALFANO, Hung M. Pham, Nathan O. Boyce | 2023-05-16 |
| 11609004 | Systems and methods with variable mitigation thresholds | Hung M. Pham, Brian R. Butler | 2023-03-21 |
| 11486593 | Systems and methods with variable mitigation thresholds | Hung M. Pham, Brian R. Butler | 2022-11-01 |
| 11421901 | Coordinated control of standalone and building indoor air quality devices and systems | Hung M. Pham, Brian R. Butler | 2022-08-23 |
| 11371726 | Particulate-matter-size-based fan control system | Hung M. Pham, Brian R. Butler | 2022-06-28 |
| 11226128 | Indoor air quality and occupant monitoring systems and methods | Hung M. Pham, Brian R. Butler | 2022-01-18 |
| 11131471 | Refrigeration leak detection | Brian R. Butler, Hung M. Pham, Winfield S. Morter, Andrew M. Welch, David A. ALFANO +1 more | 2021-09-28 |
| 11125457 | Refrigerant leak sensor and mitigation device and methods | David A. ALFANO | 2021-09-21 |
| 10961079 | Automatically releasable hose reel assembly | Sean Morgan | 2021-03-30 |
| 10875046 | High-pressure sealing of spray nozzle assemblies | Sean Morgan | 2020-12-29 |
| 10767878 | Humidifier control systems and methods | Hung M. Pham, Brian R. Butler | 2020-09-08 |
| 10760804 | Humidifier control systems and methods | Hung M. Pham, Brian R. Butler | 2020-09-01 |
| 10569113 | Nozzle protection blow off cap | Sean Morgan | 2020-02-25 |
| 10287130 | Level winder | Sean Morgan | 2019-05-14 |
| 9844790 | Spray nozzle assembly | Sean Morgan | 2017-12-19 |
| 9656832 | Hose reel rewind speed control | Sean Morgan | 2017-05-23 |