Drilldown: Patents
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- Airplane (18)
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- Companies (475)
- Event (141)
- Letters (683)
- Organizations (965)
- Patents (17510)
- Person (2099)
- Publications (24554)
- Techtypes (2369)
Use the filters below to narrow your results.
None (3) ·
Aerodynamics (4) ·
Airplane (5) ·
ascension (1) ·
Biplane (1) ·
compartments (1) ·
construction (4) ·
design (5) ·
frame (2) ·
gyroscope (1) ·
heavier-than-air (1) ·
helicopter (1) ·
HTA (1) ·
hybrid (2) ·
landing (1) ·
lift (2) ·
monoplane (1) ·
navigation (1) ·
navigation? (1) ·
parachutes (1) ·
propellers (3) ·
propulsion (2) ·
rarefaction (1) ·
rubber (1) ·
stability (1) ·
steering (1) ·
sustentation (1) ·
ventilation (1) ·
wings (2)
Showing below up to 12 results in range #1 to #12.