Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D352493 | Airplane | — | 1994-11-15 |
| 4638962 | Jumbo aircraft, in particular of high-wing monoplane design | Heinz Gunter, Gerhard Kriechbaum, Rudolf Matecki, Johannes Spintzyk | 1987-01-27 |
| 4500055 | Aircraft propulsion system arrangement | — | 1985-02-19 |
| 4406432 | Retractable landing gear for jumbo aircraft | Claudius Dornier, Jr., deceased, Heinz Gunter, Johannes Spintzyk | 1983-09-27 |
| D267794 | Aircraft design | — | 1983-02-01 |