Drilldown: Patents
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Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (966)
- Patents (17482)
- Person (2081)
- Publications (24549)
- Techtypes (2360)
Use the filters below to narrow your results.
Aerostat (2) ·
air pressure (2) ·
Airship (3) ·
ascension (1) ·
ballonet (5) ·
balloon (5) ·
balloons (2) ·
construction (1) ·
control (2) ·
Dirigibles (1) ·
elevation (2) ·
Envelope (1) ·
fabric (2) ·
frame (1) ·
gas (6) ·
gas pressure (1) ·
gas valve (1) ·
hydrogen (1) ·
industry (1) ·
instrument (1) ·
LTA (10) ·
Motors (1) ·
Navigation (3) ·
non-rigid (2) ·
Propellers (1) ·
Propulsion (1) ·
rigid (2) ·
safety (2) ·
Whole (1)
Showing below up to 11 results in range #1 to #11.