Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146494 | Multi-stage compressor having interstage lubricant injection via an injection rod | Ryan D. Hartman, Daniel R. Crum, Philipp Bothe | 2024-11-19 |
| 12117001 | Screw compressor with oil injection at multiple volume ratios | Daniel R. Crum, Nobin Cherian | 2024-10-15 |
| 11781547 | Multi-stage compressor having interstage lubricant injection via an injection rod | Ryan D. Hartman, Daniel R. Crum, Philipp Bothe | 2023-10-10 |
| 11732715 | Screw compressor with oil injection at multiple volume ratios | Daniel R. Crum, Nobin Cherian | 2023-08-22 |
| 11215182 | Multi-stage compressor having interstage lubricant injection via an injection rod | Ryan D. Hartman, Daniel R. Crum, Philipp Bothe | 2022-01-04 |
| 11118585 | Screw compressor with oil injection at multiple volume ratios | Daniel R. Crum, Nobin Cherian | 2021-09-14 |
| 10851786 | Rotary screw compressor with atomized oil injection | Daniel R. Crum | 2020-12-01 |