Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018689 | Damping system for compressor | Joseph W. Pillis, Richard W. Armentrout | 2024-06-25 |
| 9856876 | Rotary screw compressors utilizing viscous damping for vibration reduction | Joseph W. Pillis, Richard W. Armentrout | 2018-01-02 |
| 9828998 | Screw compressor | — | 2017-11-28 |
| 9482230 | Screw compressor | — | 2016-11-01 |