Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018689 | Damping system for compressor | Holger Tychsen, Richard W. Armentrout | 2024-06-25 |
| 10451351 | Thermosyphon coolers for cooling systems with cooling towers | James W. Furlong, Delmar E. Lehman | 2019-10-22 |
| 10302363 | Thermosyphon coolers for cooling systems with cooling towers | James W. Furlong, Delmar E. Lehman | 2019-05-28 |
| 10295262 | Thermosyphon coolers for cooling systems with cooling towers | James W. Furlong, Delmar E. Lehman | 2019-05-21 |
| 9939201 | Thermosyphon coolers for cooling systems with cooling towers | James W. Furlong, Delmar E. Lehman | 2018-04-10 |
| 9856876 | Rotary screw compressors utilizing viscous damping for vibration reduction | Holger Tychsen, Richard W. Armentrout | 2018-01-02 |
| 8287248 | Compressor | Paul Nemit, Jr., Robert D. Heckman | 2012-10-16 |
| 5134856 | Oil pressure maintenance for screw compressor | Milton W. Garland | 1992-08-04 |
| 4678406 | Variable volume ratio screw compressor with step control | David A. Murphy, Peter C. Spellar, Paul Nemit, Jr. | 1987-07-07 |
| 4609329 | Micro-processor control of a movable slide stop and a movable slide valve in a helical screw rotary compressor with an enconomizer inlet port | Hans C. Wile | 1986-09-02 |
| 4553911 | Method of coding the oil in screw compressors equipped with automatic variable volume ratio | — | 1985-11-19 |
| 4515540 | Variable liquid refrigerant injection port locator for screw compressor equipped with automatic variable volume ratio | — | 1985-05-07 |
| 4465446 | Radial and thrust bearing mountings providing independent loading | Paul Nemit, Jr. | 1984-08-14 |