Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047965 | System for managing lubricant levels in tandem compressor assemblies of an HVAC system | David Mackey, Der-Kai Hung, Hong Lin | 2018-08-14 |
| 9989288 | System for managing lubricant levels in tandem compressor assemblies of an HVAC system | Der-Kai Hung, David Mackey, Lin Hong | 2018-06-05 |