Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193487 | Spiral compressor with oil recirculation unit | Dirk Gutberlet, Michael Friedl | 2021-12-07 |
| 10989193 | Scroll compressor for a vehicle air-conditioning system having spiral wall including conical cut | Bernd Guntermann, Laura Arriazu | 2021-04-27 |