Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385491 | Direct drive refrigerant screw compressor with refrigerant lubricated rotors | Yifan Qiu, Ulf J. Jonsson, Zaffir A. Chaudhry, David M. Rockwell | 2025-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385491 | Direct drive refrigerant screw compressor with refrigerant lubricated rotors | Yifan Qiu, Ulf J. Jonsson, Zaffir A. Chaudhry, David M. Rockwell | 2025-08-12 |