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Patents > Publication date: 1911 & National tech categories: FR 6.4 & Number of text pages: 2-4

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Tech fields:
airplane (157) · stability (81) · design (74) · None (54) · wings (43) · aerodynamics (42) · construction (40) · control (35) · frame (35) · propellers (33) · LTA (27) · automatic stability (26) · subsystem (25) · wheels (23) · landing (22) · propulsion (21) · lift (19) · hybrid (17) · navigation (17) · flapping (15)
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None (247) · Patent FR-1909-420322 (5) · Patent FR-1907-373818 (2) · Patent FR-1910-414004 (2) · Patent FR-1910-419748 (2) · Patent FR-1909-409920 (2) · Patent FR-1910-417989 (2)
Related to aircraft:
Patent agent:
Armengaud jeune (38) · J. Bonnet-Thirion (25) · None (23) · None (23) · E. Blétry (17) · L. Chassevent (16) · G. Petiau (12) · H. Bœttcher fils (11) · Hippolyte Josse (10) · Boramé et Julien (10) · Lavoix et Mosès (8) · Schwab (8) · G. de Mestral et F. Harlé (7) · de Bongé (7) · Matray frères et Cie (7) · Weismann et Marx (7)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C17/00 (72) · IPC B64C1/00 (64) · IPC B64C39/00 (39) · IPC B64C23/00 (20) · IPC B64C3/38 (20) · IPC B64C3/00 (18) · IPC B64C25/00 (14) · None (12) · IPC B64C33/02 (11) · IPC B64C17/06 (9) · IPC B64C11/00 (9) · IPC B64B1/00 (8) · IPC B64B1/58 (8) · IPC B64C3/52 (7) · IPC B64C3/54 (7) · IPC B64C13/00 (7) · IPC B64C11/30 (5) · IPC B64C33/00 (4) · IPC B64C27/04 (4) · IPC B64C31/028 (4)
CPCs:
CPC B64C17/00 (73) · CPC B64C39/00 (30) · CPC B64C2700/6218 (28) · CPC B64C2700/6295 (21) · CPC B64C23/005 (18) · CPC B64C3/00 (18) · CPC B64C1/00 (16) · CPC B64C3/385 (15) · CPC B64C2700/6212 (14) · CPC B64C2700/6274 (14) · CPC B64C33/02 (13) · CPC B64C2700/6214 (12) · CPC B64C2700/6228 (11) · CPC B64C25/06 (11) · CPC B64C13/00 (10) · CPC B64F2700/6226 (10) · CPC B64C17/06 (10)
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