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Patents > National tech categories: FR 6.4 & Number of text pages: 1-2 & Number of claims: 2-3

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Tech fields:
airplane (150) · design (77) · stability (63) · frame (61) · construction (50) · Propellers (46) · Propulsion (46) · LTA (43) · wings (40) · None (31) · aerodynamics (29) · lift (29) · control (28) · Subsystem (26) · fuselage (25) · automatic stability (23) · sustentation (22) · landing (20) · navigation (20) · rudder (15)
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Supplementary to patent:
None (205) · Patent FR-1907-373818 (5) · Patent FR-1908-392672 (4) · Patent FR-1911-430799 (2) · Patent FR-1909-410848 (2) · Patent FR-1909-411204 (2) · Patent FR-1917-504302 (2) · Patent FR-1910-414695 (2)
Related to aircraft:
Patent agent:
Armengaud jeune (55) · None (34) · Charles Dony (23) · Hippolyte Josse (18) · L. Chassevent (18) · J. Bonnet-Thirion (12) · Dupont et Elluin (12) · E. Blétry (11) · J. Germain (10) · Brandon frères (9) · Schwab (9) · None (7) · Lavoix et Moses (7) · Boramé et Julien (6) · H. Boettcher fils (6) · Émile Klotz (5)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C1/00 (37) · IPC B64C17/00 (35) · IPC B64C39/00 (28) · IPC B64B1/00 (19) · IPC B64C11/00 (16) · IPC B64C3/00 (15) · IPC B64C25/00 (14) · IPC B64C35/00 (13) · IPC B64B1/58 (11) · IPC B64C3/38 (10) · IPC B64C23/00 (9) · IPC B64C13/00 (8) · None (7) · IPC B64C27/04 (7) · IPC B64C3/54 (6) · IPC B64B1/40 (6) · IPC B64D17/00 (6) · IPC B64D35/04 (6) · IPC B64C11/20 (6) · IPC B64C11/04 (5)
CPCs:
CPC B64C17/00 (37) · CPC B64C39/00 (26) · CPC B64C2700/6295 (23) · CPC B64B1/00 (19) · CPC B64C3/00 (15) · CPC B64C35/00 (12) · CPC B64F2700/6226 (12) · CPC B64C2700/6218 (12) · CPC B64C11/006 (11) · CPC B64B1/58 (11) · CPC B64C1/00 (11) · CPC B64C2700/6212 (11) · CPC B64C25/06 (10) · CPC B64C13/00 (10) · CPC B64C3/385 (9) · CPC B64C23/005 (8) · CPC B64C2700/6235 (8) · CPC B64C2700/6274 (8) · CPC B64C25/62 (7) · CPC B64C2700/6256 (7)
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