Drilldown: Patents

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Patents > Year granted: 1919 & Filing date: 1910 - 1919 & National tech categories: FR 6.4

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Year granted:
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Inventors:
None (14) · Émile Letord (6) · Gianni Caproni (4) · Thomas Sloper (4) · Alfred John Macy (3) · Louis-Léon Astoux (3) · René-Joseph-Ghislain Straunard (3) · Jules Védrines (3)
Inventor country:
Applicant person:
None (16) · Émile Letord (6) · Thomas Sloper (4) · Gianni Caproni (4) · Alfred John Macy (3) · Jules Védrines (3) · Louis-Léon Astoux (3) · René-Joseph-Ghislain Straunard (3)
Applicant is inventor:
Tech fields:
Airplane (46) · design (23) · None (19) · propellers (15) · stability (15) · control (14) · construction (14) · frame (13) · fuselage (9) · Propulsion (8) · wings (8) · aerodynamics (7) · motors (7) · automatic stability (7) · subsystem (6) · military (6) · lift (5) · LTA (5) · Hydroaeroplane (5) · safety (5)
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Full specification filed date:
Application number:
None (13)
Grant date:
Granted:
Supplementary to patent:
None (82) · Patent GB-1915-15085 (2) · Patent IT-1916-07-14 (2)
Related to aircraft:
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IPCs:
IPC B64C17/00 (13) · IPC B64C3/00 (13) · IPC B64C1/00 (11) · IPC B64C35/00 (9) · IPC B64C3/18 (7) · IPC B64C11/00 (5) · IPC B64C27/04 (4) · None (4) · IPC B64B1/62 (4) · IPC B64C39/00 (4) · IPC B64C13/12 (3) · IPC B64C33/02 (3) · IPC B64C3/38 (3) · IPC B64C23/00 (3) · IPC B64C13/00 (3)
CPCs:
CPC B64C17/00 (13) · CPC B64C3/00 (13) · CPC B64C35/00 (8) · CPC B64C2700/6235 (8) · CPC B64C2001/0063 (5) · CPC B64C39/00 (5) · CPC B64C2700/6212 (5) · CPC B64C2700/6218 (4) · CPC B64B1/62 (4) · CPC B64C13/00 (4) · CPC B64C11/00 (4) · CPC B64C33/02 (4) · CPC B64C2700/6295 (4) · CPC B64C2700/6256 (3) · CPC B64C2700/6281 (3) · CPC B64C23/005 (3) · CPC B64C3/18 (3) · CPC B64C3/385 (3) · CPC B64C13/12 (3)
First filing:
Cites these patents:
Citations from after 1930:
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