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Patents > IPCs: IPC B64C39/00 & Number of diagram pages: 1-4

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Tech fields:
airplane (185) · Design (119) · None (81) · frame (72) · propulsion (70) · wings (62) · stability (57) · construction (56) · propellers (54) · Aerodynamics (42) · lift (36) · control (33) · whole (33) · sustentation (29) · navigation (26) · fuselage (26) · chassis (21) · rudder (21) · LTA (19)
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None (299) · Patent US-1916-1208684 (3) · Patent FR-1916-502839 (3) · Patent NZ-1909-26981 (2) · Patent FR-1909-403418 (2) · Patent US-1908-927605 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1913-461629 (2) · Patent US-1910-993987 (2) · Patent US-1910-996592 (2) · Patent FR-1908-396470 (2) · Patent GB-1908-4519 (2) · Patent US-1911-994106 (2) · Patent FR-1912-441089 (2) · Patent FR-1910-414004 (2) · Patent FR-1908-394418 (2) · Patent FR-1910-421136 (2) · Patent FR-1902-326476 (2) · Patent FR-1911-434281 (2) · Patent FR-1909-395148 (2)
Related to aircraft:
Patent agent:
None (75) · None (27) · Armengaud jeune (22) · Marks & Clerk (15) · J. Bonnet-Thirion (12) · J. Germain (9) · E. Blétry (9) · Boult, Wade & Tennant (9) · Y. Rabilloud et fils (8) · Weismann et Marx (8) · Boramé et Julien (8) · Dupont et Elluin (7) · Brandon frères (7) · G. de Mestral et F. Harlé (6) · Charles Assi (6) · L. Chassevent (6) · Ch. Mardelet (5) · C. Blétry (5) · Chassevent (5)
National tech categories:
FR 6.4 (255) · None (121) · USPC 244/45R (13) · FR 6.3 (8) · DE 77h.5 (8) · USPC 244/13 (6) · DE 77h.11 (6) · USPC 244/70 (6) · USPC 244/27 (4) · FR 6.2 (4) · USPC 244/903 (2) · USPC 416/113 (2) · DE 77 (2) · DE 77h.8 (2) · USPC 244/87 (2) · USPC 244/9 (2) · USPC 244/20 (2) · USPC 244/19 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (280) · CPC B64C2700/6295 (241) · CPC B64C39/005 (52) · CPC B64C39/08 (43) · CPC B64C39/008 (25) · CPC B64C39/003 (14) · CPC B64C39/006 (9) · CPC B64C39/06 (4) · CPC B64C39/062 (4) · CPC B64C3/56 (3) · None (3) · CPC B64C23/08 (2) · CPC B64C2700/6246 (2) · CPC B64C39/04 (2) · CPC Y10S244/903 (2) · CPC B64C3/54 (2) · CPC B64C3/42 (2) · CPC B64C3/385 (2) · CPC B64C2700/6297 (2) · CPC B64C39/068 (2)
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