Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & National tech categories : DE 77 or USPC 74/5.22

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Inventors:
F. Gaebert (4) · None (2) · Richard Czygan (2) · Hermann Israel (2) · Ferdinand von Zeppelin (2) · Federico Capone (2) · Edward Joel Pennington (2) · Otto Schmidt (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Raphael Ernst May (2) · Henry Boinet (2)
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Applicant person:
None (41) · F. Gaebert (3) · Raphael Ernst May (2) · Ferdinand von Zeppelin (2) · Federico Capone (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Otto Schmidt (2) · Richard Czygan (2)
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Tech fields:
LTA (51) · propulsion (25) · balloon (22) · navigation (17) · frame (17) · propeller (16) · car (14) · kite (8) · None (8) · captive (7) · dirigible (6) · airship (6) · gas (5) · stability (5) · electricity (5) · parachute (5)
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Citations from after 1930:
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