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Patents > Tech fields : rotary wings or None

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Inventor country:
None (1870) · US (1321) · FR (718) · GB (490) · DE (297) · IT (50) · CH (46) · CA (43) · AT (36) · AU (20) · BE (19) · NZ (13) · SE (12) · RU (11) · NL (10) · NO (9) · MX (5)
Inventor location:
None (4797) · Seine (26) · London (15) · Paris (9) · Chicago (7) · Canton of Zurich (6) · Rhône (5) · Pennsylvania (5) · Nord (4) · Baltimore (4)
Applicant firm:
None (4826) · Curtiss Aeroplane (22) · Vickers (13) · Société des Avions Louis Bréguet (8) · Dornier Metallbauten (8) · Établissements de Dion-Bouton (7) · Société anonyme Astra AB (7) · Blackburn Aeroplane and Motor Co. (4) · Sopwith Aviation (3) · General Electric Company (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Granted:
Supplementary to patent:
None (4761) · Patent US-1916-1215295 (3) · Patent US-1911-1028409 (3) · Patent BE-1909-219377 (3) · Patent BE-1910-12-28-Muehter (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent BE-1912-08-13-Panian (3) · Patent US-1911-1032812 (3) ·   (3)
Related to aircraft:
Assigned to:
None (4954) · Curtiss Aeroplane (5) · Varioplane Company (2) · Société Duquesne & Dockès (2) · Magneso Calcite Fire-Proof Company (2) · Westinghouse Air Spring Company (2) · Sturtevant Aeroplane Co. (2)
IPCs:
None (4260) · IPC B64C39/00 (96) · IPC B64C23/00 (75) · IPC B64C1/00 (61) · IPC B64C17/00 (60) · IPC B64C3/38 (55) · IPC B64C3/00 (52) · IPC B64C33/02 (37) · IPC B64C13/00 (23) · IPC B64C35/00 (22) · IPC B64C3/54 (20) · IPC B64B1/00 (19) · IPC B64C11/00 (16) · IPC B64C33/00 (14) · IPC B64C27/04 (14) · IPC B64C3/56 (12) · IPC B64C5/04 (12) · IPC B64C25/00 (10) · IPC B62C5/04 (8) · IPC B64C29/00 (8)
First filing:
Cites these patents:
None (4988) · 1 (2)
Citations from after 1930:

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