Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875828 | Turbo-engine having means for controlling the radial gap | Gerhard Zahring, Robert Rutsch, Joachim Popp, Eberhard John | 1989-10-24 |
| 4719747 | Apparatus for optimizing the blade and sealing slots of a compressor of a gas turbine | Gerhard Zaehring, Joachim Popp, Robert Ruetsch | 1988-01-19 |