Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549727 | Refrigeration system and methods for refrigeration | Fred Lingelbach | 2023-01-10 |
| 10989445 | Refrigeration system and methods for refrigeration | Fred Lingelbach | 2021-04-27 |
| 10260779 | Refrigeration system and methods for refrigeration | Fred Lingelbach | 2019-04-16 |
| 9513033 | Refrigeration system and methods for refrigeration | Fred Lingelbach | 2016-12-06 |
| 9335085 | Condenser evaporator system (CES) for decentralized condenser refrigeration | Fred Lingelbach | 2016-05-10 |
| 8544283 | Condenser evaporator system (CES) for decentralized condenser refrigeration system | Fred Lingelbach | 2013-10-01 |
| 7178356 | Freezer arrangement | Fredric J. Lingelbach | 2007-02-20 |
| 6467301 | Refrigeration system with purge | Fredric J. Lingelbach | 2002-10-22 |
| 6467302 | Accumulator for a refrigeration system | Fredric J. Lingelbach | 2002-10-22 |
| 6349564 | Refrigeration system | Fredric J. Lingelbach | 2002-02-26 |
| 6018958 | Dry suction industrial ammonia refrigeration system | Fredric J. Lingelbach | 2000-02-01 |