Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471214 | Tandem axial face seal for pumps for cryogenic media | Philippe Drouvot | 2002-10-29 |
| 4881495 | Device for vaporizing a cryogenic fluid | Klaus Bofinger | 1989-11-21 |
| 4639197 | Pump for cryogenic fluids | Klaus Bofinger, Claudio Tschopp | 1987-01-27 |