Carl Kropp
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Carl Kropp was an aero inventor who focused on variable-pitch in propellers. He filed patents from Deuben, near Dresden, in Saxony, in the German Empire.
He appears to have had an invention related to the hulls of ships, and to have worked with George Kropp on that topic. He also has other patents we do not see, implied by his French patent discovered on google.[1] We cannot tell here how many Carl Kropps there were; there might have been just one, with a long career.
Patents whose inventor or applicant is Carl Kropp
- Patent DE-1908-231537 (Filing date: 1908-05-07)
- Patent DE-1909-236190 (English title: Turning impeller, Filing date: 1909-06-22)
- Patent FR-1914-474698 (English title: Motor apparatus for flying machines with hitting surfaces placed in the interior of a drum, Supplementary to patent: Patent DE-1913-07-05, Filing date: 1913-07-04)
- Patent US-1914-1194037 (English title: Air propeller and the like, Filing date: 1914-07-03)
References
| Names | Carl Kropp |
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| Birth date | |
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| Countries | DE |
| Locations | Deuben; Dresden |
| Occupations | |
| Tech areas | Aerial propellers, variable-pitch, Feathering |
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