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Patents > IPCs : IPC B64C3/00 or IPC B64C39/00 & Number of claims: 2-5

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Tech fields:
airplane (128) · None (65) · Frame (65) · design (65) · Wings (59) · construction (58) · stability (32) · propulsion (31) · aerodynamics (26) · lift (23) · propellers (22) · Sustentation (20) · control (20) · fuselage (17) · whole (15) · chassis (15) · biplane (14) · subsystem (14) · HTA (12) · rudder (12)
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Supplementary to patent:
None (228) · Patent US-1911-994106 (2) · Patent IT-1916-07-14 (2) · Patent FR-1917-504302 (2) · Patent FR-1916-502839 (2) · Patent FR-1907-373818 (2) · Patent FR-1909-403418 (2) · Patent AT-1913-79244 (2) · Patent FR-1910-421136 (2) · Patent FR-1911-448337 (2)
Related to aircraft:
Patent agent:
None (62) · Armengaud jeune (22) · Marks & Clerk (19) · None (13) · Brandon frères (7) · Boult, Wade & Tennant (7) · Haseltine, Lake & Co. (7) · Dupont et Elluin (6) · J. Bonnet-Thirion (6) · Charles Dony (6) · E. Blétry (6) · Société A. Frey et de Carsalade (6) · Munn & Co. (5) · L. Chassevent (5) · J. Germain (4) · Mewburn, Ellis & Pryor (4) · Herbert Haddan & Co. (4)
National tech categories:
FR 6.4 (129) · None (128) · DE 77h.5 (22) · USPC 244/70 (6) · DE 77h.7 (5) · USPC 244/48 (4) · USPC 244/13 (4) · FR 5.3 (3) · USPC 244/27 (3) · DE 77h.11 (3) · DE 77h.8 (2) · USPC 416/113 (2) · USPC 244/46 (2) · USPC 244/90R (2) · AT 77d (2) · USPC 244/903 (2) · USPC 244/45R (2) · USPC 244/9 (2) · USPC 244/49 (2) · USPC 244/87 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (124) · CPC B64C2700/6295 (117) · CPC B64C3/00 (106) · CPC B64C2700/6235 (50) · CPC B64C2700/6233 (30) · CPC B64C39/005 (28) · CPC B64C39/08 (19) · CPC B64C39/008 (16) · CPC B64C39/003 (9) · CPC B64C3/385 (6) · CPC B64C39/006 (5) · None (4) · CPC B64C39/062 (3) · CPC B64C3/56 (3)
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