Drilldown: Patents

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Patents > Filing date: 1920 - 1929

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Office:
Inventors:
None (16) · Ernst Heinkel (12) · Anton Flettner (3) · Bert Hinkler (3) · Pierre Le Goaziou (3) · Émile-Louis Letord (3) · John Arthur Weis (2) · Albert John Fortescue (2) · Georges Provost (2) · George Lanzius (2) · George A. Spratt (2) · Pierre Levasseur (2) · François-Victor Denhaut (2) · Louis Béchereau (2) · Robert Gastambide (2) · Jules Gastambide (2) · Robert-Jules-Marie-Antoine Desmons (2) · Charles Arthur Wragg (2)
Inventor country:
Applicant person:
None (19) · Ernst Heinkel (12) · Pierre Le Goaziou (3) · Anton Flettner (3) · Émile-Louis Letord (3) · Bert Hinkler (3) · Robert-Jules-Marie-Antoine Desmons (2) · John Arthur Weis (2) · Robert Gastambide (2) · François-Victor Denhaut (2) · Pierre Levasseur (2) · Louis Béchereau (2) · Georges Provost (2) · Albert John Fortescue (2) · Jules Gastambide (2)
Applicant is inventor:
Tech fields:
airplane (36) · frame (20) · design (14) · wings (12) · propellers (10) · None (9) · propulsion (7) · chassis (6) · propeller (6) · control (6) · construction (5) · wheels (4) · landing (4) · rudder (4) · helicopter (4)
Full specification filed date:
Granted:
Supplementary to patent:
None (50) · Patent FR-1917-493342 (2) · Patent US-1918-1589780 (2) · Patent DE-1921-384750 (2) · Patent GB-1927-653688 (2) · Patent DE-1916-349065 (2) · Patent FR-1916-501550 (2)
Related to aircraft:
IPCs:
None (15) · IPC B64C3/00 (6) · IPC B64C3/56 (5) · IPC B64D27/04 (4) · IPC B64C35/00 (4) · IPC B64C25/00 (4) · IPC B64C1/26 (3) · IPC B64C11/36 (3) · IPC G01S1/72 (3)
CPCs:
None (14) · CPC B64C3/56 (5) · CPC B64C3/00 (5) · CPC B64D27/04 (4) · CPC B64C11/36 (3) · CPC G01S1/72 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

Showing below up to 92 results in range #1 to #92.

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