Drilldown: Patents
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- Airplane (18)
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- Event (141)
- Letters (683)
- Organizations (966)
- Patents (17474)
- Person (2068)
- Publications (24415)
- Techtypes (2360)
Patents > National tech categories:
USPC 244/30
& Citations from after 1930:
None
& Number of claims:
4-8
Use the filters below to narrow your results.
airfoil (1) ·
anchor (1) ·
balloon (5) ·
brakes (1) ·
car (2) ·
dirigible (1) ·
frame (1) ·
landing (1) ·
LTA (9) ·
marine (1) ·
mooring (1) ·
navigation (6) ·
propeller (3) ·
propulsion (4) ·
rudder (3) ·
safety (2) ·
stability (1) ·
steering (1)
Showing below up to 10 results in range #1 to #10.