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Patents > National tech categories : DE 77 or GB 4 propel & steer & Number of figures: 3-8

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Inventors:
Raphael Ernst May (2) · F. Gaebert (2) · Rudolf Chillingworth (2) · Carl Georg Rodeck (2) · John Marshall (2) · Federico Capone (2) · Richard Czygan (2)
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None (27) · Richard Czygan (2) · Federico Capone (2) · F. Gaebert (2) · Raphael Ernst May (2) · Carl Georg Rodeck (2)
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Tech fields:
LTA (43) · propulsion (32) · navigation (23) · balloon (13) · propeller (11) · frame (11) · car (10) · kite (8) · control (8) · dirigible (7) · stability (6) · steering (5) · rudder (5) · ornithopter (5) · flapping (5) · design (5) · None (5) · airship (5)
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