Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422177 | Mitigating compressor liquid migration and/or floodback using suction temperature sensor and/or liquid level sensor | Gregory E. Sisk, Charles P. Ketterer, Frank S. Wallis | 2025-09-23 |
| 12406820 | Multi-voltage contactors, controls, and related methods | Gregory E. Sisk, Vincent P. Fargo, Randy T. Ruiz, Bradley C. Zikes | 2025-09-02 |
| 12241935 | Redundant contactors with data-based preventive maintenance replacement indicators | — | 2025-03-04 |