Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241669 | System and method for detecting refrigerant leakage and charging a climate-control system with refrigerant | David A. ALFANO, Brian R. Butler | 2025-03-04 |
| 12196462 | Heat-pump system with multiway valve | Andrew M. Welch | 2025-01-14 |
| 11754324 | Refrigerant isolation using a reversing valve | Andrew M. Welch, Stuart Morgan, Brian R. Butler | 2023-09-12 |
| 11732916 | Refrigeration leak detection | Brian R. Butler, Stuart Morgan, Hung M. Pham, Andrew M. Welch, David A. ALFANO +1 more | 2023-08-22 |
| 11713893 | Refrigeration leak detection | Brian R. Butler, Stuart Morgan, Hung M. Pham, Andrew M. Welch, David A. ALFANO +1 more | 2023-08-01 |
| 11604019 | Systems and methods for leak detection and refrigerant charging | David A. ALFANO, Brian R. Butler | 2023-03-14 |
| 11131471 | Refrigeration leak detection | Brian R. Butler, Stuart Morgan, Hung M. Pham, Andrew M. Welch, David A. ALFANO +1 more | 2021-09-28 |
| 10760803 | Humidifier control systems and methods | Hung M. Pham, Sahil Popli, Brian R. Butler | 2020-09-01 |