Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & National tech categories : DE 77 or DE 77h

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Office:
Inventors:
F. Gaebert (4) · None (2) · Richard Czygan (2) · Hermann Israel (2) · Ferdinand von Zeppelin (2) · Federico Capone (2) · Edward Joel Pennington (2) · Henry Boinet (2) · Otto Schmidt (2) · Carl Georg Rodeck (2) · Carl Friedrich Billwiller (2) · Raphael Ernst May (2) · Heinrich Suter (2) · Rudolf Chillingworth (2) · Andreas Ozegowski (2)
Inventor country:
Applicant person:
None (52) · F. Gaebert (3) · Carl Georg Rodeck (2) · Ferdinand von Zeppelin (2) · Federico Capone (2) · Otto Schmidt (2) · Richard Czygan (2) · Raphael Ernst May (2) · Carl Friedrich Billwiller (2)
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Tech fields:
LTA (53) · propulsion (25) · balloon (24) · propeller (20) · frame (19) · navigation (17) · None (14) · car (14) · kite (8) · captive (7) · gas (6) · dirigible (6) · electricity (6) · airship (6) · stability (5) · parachute (5) · design (5) · hybrid (5)
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Citations from after 1930:
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