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Patents > National tech categories : FR 6.4 or USPC 244/7R & Family year: 1909

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Tech fields:
None (182) · airplane (92) · LTA (56) · Design (50) · frame (46) · stability (42) · propellers (35) · wings (31) · Propulsion (29) · construction (24) · control (24) · lift (23) · hybrid (19) · aerodynamics (17) · propeller (14) · subsystem (14) · sustentation (14) · navigation (13) · rudder (12)
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None (260) · Patent FR-1909-420322 (9) · Patent FR-1909-410140 (6) · Patent FR-1909-403418 (3) · Patent FR-1909-410848 (3) · Patent FR-1909-408644 (3) · Patent FR-1909-398825 (3) · Patent FR-1909-406947 (2) · Patent FR-1909-408872 (2) · Patent FR-1909-411204 (2) · Patent AT-1909-12-31 Vigilio Baldo (2) · Patent FR-1909-412818 (2) · Patent FR-1909-404844 (2) · Patent AT-1909-48421 (2) · Patent FR-1909-405220 (2) · Patent FR-1909-409920 (2)
Related to aircraft:
Patent agent:
None (72) · Armengaud jeune (48) · J. Bonnet-Thirion (25) · None (21) · E. Blétry (18) · Weismann et Marx (13) · Schwab (13) · Boramé et Julien (13) · Charles Dony (9) · Lavoix et Mosès (9) · L. Chassevent (8) · Hippolyte Josse (8) · Y. Rabilloud et fils (6) · C. Baumann (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (45) · IPC B64C17/00 (39) · IPC B64B1/00 (32) · IPC B64C1/00 (27) · IPC B64B1/58 (24) · IPC B64C3/38 (21) · IPC B64C23/00 (20) · None (19) · IPC B64C11/00 (18) · IPC B64C33/02 (14) · IPC B64C3/00 (13) · IPC B64C13/00 (10) · IPC B64B1/40 (9) · IPC B64C33/00 (9) · IPC B64C35/00 (8) · IPC B64C25/00 (8) · IPC B64B1/62 (6) · IPC B64C3/52 (6) · IPC B64C3/48 (6) · IPC B64C3/54 (6)
CPCs:
CPC B64C39/00 (42) · CPC B64C17/00 (41) · CPC B64B1/00 (32) · CPC B64C2700/6295 (32) · CPC B64B1/58 (24) · CPC B64C23/005 (21) · CPC B64C3/385 (20) · CPC B64C33/02 (15) · CPC B64C11/006 (15) · CPC B64C13/00 (14) · CPC B64C2700/6218 (13) · CPC B64C3/00 (13) · CPC B64C2700/6212 (11) · CPC B64C33/00 (10) · CPC B64B1/40 (9) · CPC B64C2700/6274 (9) · CPC B64C2700/6233 (8) · CPC B64C3/52 (7) · CPC B64C2700/6256 (7) · CPC B64C35/00 (7)
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