Richard Knoller wasn't an aircraft firm, he was a respected pre-war designer. Knoller planes were expected to be game-changers, but they turned out to be great disappointments. The Austro-Hungarian army Luftfahrtruppe spread orders for Knoller designs among companies Lohner, Phönix, Aviatik, WKF, and Thöne & Fiala where they turned out to be more of a distraction than viable aircraft.
Production aircraft from the Great War or shortly thereafter include:
- Grosz, p.5