Drilldown: Patents
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Airplane (62) ·
helicopter (52) ·
Propulsion (52) ·
Hybrid (38) ·
None (33) ·
propeller (29) ·
frame (28) ·
Design (27) ·
propellers (27) ·
navigation (23) ·
ascension (22) ·
lift (15) ·
wings (15) ·
construction (15) ·
stability (14) ·
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sustentation (9)
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None (142) ·
Patent FR-1908-407090 (4) ·
Patent FR-1909-410140 (3) ·
Patent FR-1915-525800 (2) ·
Patent DE-1910-06-18 Carl Hanschke (2) ·
Patent AT-1909-40038 (2) ·
Patent US-1911-1011761 (2) ·
Patent FR-1908-394254 (2) ·
Patent DE-1909-220044 (2) ·
Patent FR-1915-478440 (2) ·
Patent AU-1916-630 (2)
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Showing below up to 200 results in range #1 to #200.
