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Patents > Granted: Yes & IPCs: IPC B64C39/00 & Number of text pages: 2-6

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Tech fields:
airplane (181) · design (113) · None (75) · frame (68) · propulsion (67) · wings (62) · stability (60) · propellers (53) · construction (53) · aerodynamics (43) · control (37) · Lift (35) · whole (34) · sustentation (28) · navigation (25) · fuselage (25) · rudder (22) · Chassis (19) · wheels (17) · heavier-than-air (17)
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Supplementary to patent:
None (280) · Patent FR-1916-502839 (4) · Patent US-1910-996592 (2) · Patent GB-1908-4519 (2) · Patent FR-1902-326476 (2) · Patent FR-1908-394418 (2) · Patent FR-1917-502839.21604 (2) · Patent NZ-1909-26981 (2) · Patent FR-1909-395148 (2) · Patent FR-1909-403418 (2) · Patent US-1910-993987 (2) · Patent US-1908-927605 (2) · Patent FR-1910-414004 (2) · Patent US-1911-994106 (2) · Patent FR-1912-441089 (2) · Patent FR-1910-421136 (2)
Related to aircraft:
Patent agent:
None (67) · None (27) · Armengaud jeune (21) · J. Bonnet-Thirion (12) · Marks & Clerk (10) · E. Blétry (9) · J. Germain (8) · Weismann et Marx (8) · Boramé et Julien (8) · Y. Rabilloud et fils (7) · G. de Mestral et F. Harle (6) · Munn & Co. (6) · Brandon frères (6) · Dupont et Elluin (6) · L. Chassevent (6) · Ch. Mardelet (5) · Boult, Wade & Tennant (5)
National tech categories:
FR 6.4 (238) · None (110) · USPC 244/45R (14) · FR 6.3 (7) · DE 77h.5 (7) · USPC 244/13 (7) · USPC 244/70 (6) · DE 77h.11 (5) · USPC 244/9 (3) · USPC 244/20 (3) · USPC 244/19 (3) · USPC 244/27 (3) · FR 6.2 (3) · FR 6.1 (2) · USPC 244/87 (2) · USPC 244/903 (2) · DE 77h.8 (2) · USPC 416/113 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (257) · CPC B64C2700/6295 (222) · CPC B64C39/005 (49) · CPC B64C39/08 (42) · CPC B64C39/008 (26) · CPC B64C39/003 (16) · CPC B64C39/006 (9) · CPC B64C39/062 (4) · CPC B64C39/06 (4) · CPC B64C3/42 (3) · CPC B64C3/56 (3)
First filing:
Citations from after 1930:
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