Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976064 | Method of and system for detecting loss of refrigerant charge | LiYing Guo | 2021-04-13 |
| 10352579 | Method of and system for detecting loss of refrigerant charge | LiYing Guo | 2019-07-16 |
| 9310089 | Variable speed motor control method and apparatus | Mark G. Beste, Brian R. Hudson, Roger C. Hundt, Stephen A. Walter, David Michael Wynnick | 2016-04-12 |