Drilldown: Patents

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Patents > Office : ?? or DE & Grant date: 1900 - 1909 & Number of diagram pages: 1

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Office: (Click arrow to add another value)
Inventors:
None (5) · Joseph Hofmann (3) · Emil Lehmann (3) · August Riedinger (3) · Antoine-Charles Mary (2) · Firmin Bousson (2) · Heinrich Suter (2)
Inventor country:
Applicant person:
None (27) · Firmin Bousson (2) · August Riedinger (2) · Joseph Hofmann (2) · Emil Lehmann (2)
Applicant is inventor:
Tech fields:
LTA (19) · propulsion (12) · whole (10) · propeller (9) · frame (9) · None (8) · flapping (8) · balloon (7) · Stability (6) · airplane (6) · propellers (5) · hybrid (5) · wings (5) · airship (4) · subsystem (4) · helicopter (4) · navigation (4)
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CPCs:
None (24) · CPC B64C33/02 (6) · CPC B64B1/40 (4) · CPC B64C11/006 (3) · CPC B64B1/00 (3) · CPC B64C2700/6249 (2) · CPC B64C2700/6295 (2) · CPC B64C33/00 (2) · CPC B64B1/58 (2) · CPC B64B1/12 (2) · CPC B64C39/003 (2) · CPC B64C9/00 (2) · CPC B64C23/005 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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