Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852145 | Rotary compressors with variable speed and volume control | Jay H. Johnson, John R. Sauls, Daniel R. Crum | 2023-12-26 |
| 10533556 | Rotary compressors with variable speed and volume control | Jay H. Johnson, John R. Sauls, Daniel R. Crum | 2020-01-14 |
| 10240603 | Compressor having external shell with vibration isolation and pressure balance | William B. Rockwood, Pavak Mehta, Dennis M. Beekman, Daniel R. Crum, Timothy G. Garvin +1 more | 2019-03-26 |
| 9945379 | Discharge port of a screw compressor | Scott Michael Branch | 2018-04-17 |
| 4269201 | Cigarette weight control systems | Reginald C. Bolt, Albert Simmons | 1981-05-26 |