Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143193 | Unloading device for HVAC compressor with mixed and radial compression stages | Jin Yan, Lin Sun, Arnold Martin Schaefer | 2021-10-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143193 | Unloading device for HVAC compressor with mixed and radial compression stages | Jin Yan, Lin Sun, Arnold Martin Schaefer | 2021-10-12 |