Drilldown: Patents
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None (1) ·
aerial navigation (1) ·
Aerodynamics (2) ·
airplane (1) ·
airship (1) ·
ascension (1) ·
design (2) ·
equilibrium (1) ·
frame (1) ·
helicopter (1) ·
HTA (1) ·
LTA? (1) ·
marine navigation (1) ·
ornithopter (1) ·
propeller (1) ·
Propellers (2) ·
propulsion (2) ·
stability (1) ·
steering (1) ·
sustentation (1) ·
umbrella (1)
None (1) ·
CPC A45B19/10 (1) ·
CPC B64B1/00 (1) ·
CPC B64C1/00 (1) ·
CPC B64C11/16 (1) ·
CPC B64C17/00 (1) ·
CPC B64C17/04 (1) ·
CPC B64C23/005 (2) ·
CPC B64C27/54 (1) ·
CPC B64C2700/6218 (1) ·
CPC B64C2700/6223 (1) ·
CPC B64C2700/6274 (1) ·
CPC B64C3/48 (1) ·
CPC B64C33/02 (1) ·
CPC Y10T403/32483 (1)
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