Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175061 | High-temperature fuel cells with oxygen-enriched gas | Ulrich Hildebrandt | 1992-12-29 |
| 5079103 | Fuel cells with hydrogen recycle | — | 1992-01-07 |
| 4444698 | Special heat exchange for coal liquefaction system | Udo Lang, Ullrich Hildebrandt, Berndt Hoerner | 1984-04-24 |
| 4402822 | Method of effecting highly exothermic reactions | Ullrich Hildebrandt, Udo Lang, Berndt Horner | 1983-09-06 |
| 4401450 | Economic recovery of ethylene and/or propylene from low concentration feeds | — | 1983-08-30 |
| 4343633 | High pressure purification of hydrogen | Helmut Kick, Hans Kistenmacher, Berndt Hoerner, Udo Lang | 1982-08-10 |
| D257132 | Wheel balancer | — | 1980-09-30 |