Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : DE or FR & Tech fields : navigation or propellers

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None (199) · Patent FR-1910-423792 (4) · Patent FR-1908-405961 (4) · Patent FR-1910-414695 (3) · Patent FR-1908-407090 (3) · Patent FR-1910-424987 (3)
Related to aircraft:
Patent agent:
None (79) · Armengaud jeune (42) · L. Chassevent (15) · E. Blétry (12) · None (11) · Schwab (10) · G. de Mestral et F. Harlé (10) · H. Bœttcher fils (10) · Hippolyte Josse (10) · de Bongé (9) · Charles Dony (9) · J. Bonnet-Thirion (9) · Dupont et Elluin (8) · Boramé et Julien (7) · Weismann et Marx (7) · Brandon frères (6) · Paul Caquet (6) · Lavoix et Mosès (5) · Charles Assi (5) · Fayollet (5)
IPCs:
IPC B64C11/00 (33) · IPC B64C39/00 (32) · None (27) · IPC B64C11/04 (16) · IPC B64C17/00 (14) · IPC B64C1/00 (14) · IPC B64B1/00 (14) · IPC B63H1/12 (13) · IPC B64C3/38 (13) · IPC B64C23/00 (13) · IPC B64C11/16 (12) · IPC B64C11/20 (10) · IPC CPC B64C13/00 (7) · IPC B64B1/58 (7) · IPC B64C11/24 (6) · IPC B64B1/62 (6) · IPC B64C33/02 (6) · IPC B64D35/04 (5) · IPC B64C13/04 (5) · IPC B64C27/04 (5)
CPCs:
CPC B64C11/006 (23) · CPC B64C39/00 (23) · None (18) · CPC B64C11/04 (17) · CPC B64C17/00 (15) · CPC B64C11/16 (14) · CPC B64B1/00 (13) · CPC B64C23/005 (13) · CPC B64C2700/6274 (12) · CPC B64C2700/6295 (11) · CPC B64C11/00 (11) · CPC B64C13/00 (11) · CPC B64C11/205 (9) · CPC B63H1/26 (9) · CPC B64C2700/6218 (8) · CPC B64C3/385 (7) · CPC B64B1/58 (7)
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Citations from after 1930:
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