Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7178356 | Freezer arrangement | John Lingelbach | 2007-02-20 |
| 6467301 | Refrigeration system with purge | John Lingelbach | 2002-10-22 |
| 6467302 | Accumulator for a refrigeration system | John Lingelbach | 2002-10-22 |
| 6349564 | Refrigeration system | John Lingelbach | 2002-02-26 |
| 6018958 | Dry suction industrial ammonia refrigeration system | John Lingelbach | 2000-02-01 |