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Patents > Year granted: 1911 & Office: FR & Citations from after 1930: None

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Tech fields:
airplane (188) · None (166) · design (96) · stability (77) · wings (55) · construction (51) · propellers (49) · frame (49) · LTA (47) · aerodynamics (44) · propulsion (44) · control (37) · subsystem (36) · lift (27) · automatic stability (26) · landing (26) · wheels (24) · navigation (21) · sustentation (20)
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None (394) · Patent FR-1909-420322 (6) · Patent FR-1907-373818 (3) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1910-423998 (2) · Patent FR-1906-366080 (2) · Patent FR-1911-429078 (2) · Patent FR-1910-414004 (2) · Patent BE-1909-219837 (2) · Patent FR-1910-420958 (2) · Patent FR-1909-409920 (2) · Patent FR-1910-417989 (2) · Patent FR-1910-427818 (2) · Patent FR-1910-429307 (2)
Related to aircraft:
Patent agent:
None (197) · Armengaud jeune (46) · J. Bonnet-Thirion (21) · None (20) · E. Blétry (14) · L. Chassevent (13) · G. Petiau (12) · Hippolyte Josse (11) · Boramé et Julien (11) · P. Follin (10) · de Bongé (10) · H. Bœttcher fils (10) · Dupont et Elluin (9) · Weismann et Marx (8) · Charles Dony (8) · J. Germain (7) · G. de Mestral et F. Harlé (7) · Lavoix et Mosès (7) · Weissmann et Marx (6) · C. Blétry‎ (6)
IPCs:
None (162) · IPC B64C17/00 (56) · IPC B64C1/00 (55) · IPC B64C39/00 (45) · IPC B64B1/00 (17) · IPC B64B1/58 (14) · IPC B64C11/00 (12) · IPC B64C3/00 (12) · IPC B64C25/00 (11) · IPC B64C3/38 (11) · IPC B64C17/06 (11) · IPC B64C33/02 (9) · IPC B64C23/00 (8) · IPC B64C13/00 (7) · IPC B64C3/52 (6) · IPC B64C11/04 (5) · IPC B64C35/00 (5) · IPC B64C33/00 (5) · IPC B64C11/16 (5) · IPC B64C5/04 (5)
CPCs:
CPC B64C39/00 (73) · CPC B64C17/00 (70) · CPC B64C2700/6295 (54) · CPC B64C2700/6218 (26) · CPC B64C1/00 (19) · CPC B64C33/02 (16) · CPC B64C17/06 (16) · CPC B64C13/00 (16) · CPC B64B1/00 (16) · None (15) · CPC B64C3/00 (15) · CPC B64C2700/6212 (15) · CPC B64C23/005 (15) · CPC B64B1/58 (14) · CPC B64C3/385 (14) · CPC B64C11/006 (14) · CPC B64C2700/6256 (13) · CPC B64C2700/6274 (12) · CPC B64C2700/6228 (11) · CPC B64C2700/6216 (11)
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