Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5887441 | Method of removing an immiscible lubricant from a refrigeration system and apparatus for same | Hans O. Spauschus | 1999-03-30 |
| 5636520 | Method of removing an immiscible lubricant from an refrigeration system | Hans O. Spauschus | 1997-06-10 |
| 5440898 | Filter-dryer unit | — | 1995-08-15 |