Drilldown: Patents
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Patents > Year filed:
1880 - 1889
& National tech categories:
GB 4 propel & steer
& Family year:
1800 - 1899
Use the filters below to narrow your results.
None (1) ·
ascension (1) ·
ballast (1) ·
balloon (3) ·
car (1) ·
cooling (1) ·
cybernetics (2) ·
dirigible (1) ·
electricity (2) ·
electrics (1) ·
engine (2) ·
flapping (1) ·
fuel (1) ·
gasoline (1) ·
gears (1) ·
heavier-than-air (1) ·
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hybrid (1) ·
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LTA (4) ·
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navigation (3) ·
paddle-wheel (1) ·
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propeller (1) ·
propulsion (4) ·
rudder (1) ·
silk (1) ·
stability (1) ·
steam (2) ·
subsystem (3) ·
valve (1)
Showing below up to 10 results in range #1 to #10.