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Patents > Assigned to: None & IPCs : IPC B63B43/00 or IPC B64C39/00

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Tech fields:
None (217) · airplane (128) · Design (72) · Propulsion (57) · frame (56) · wings (44) · construction (40) · stability (38) · Propellers (37) · whole (31) · lift (28) · navigation (25) · control (23) · aerodynamics (20) · fuselage (17) · rudder (15) · propeller (14) · sustentation (14)
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Supplementary to patent:
None (335) · Patent FR-1916-502839 (4) · Patent US-1910-996592 (3) · Patent US-1916-1208684 (3)
Related to aircraft:
Patent agent:
None (101) · None (32) · Armengaud jeune (23) · Marks & Clerk (15) · J. Bonnet-Thirion (13) · J. Germain (10) · Boult, Wade & Tennant (10) · Weismann et Marx (9) · E. Bletry (9) · Y. Rabilloud et fils (8) · Dupont et Elluin (7) · Boramé et Julien (7) · Brandon frères (7) · L. Chassevent (6) · Charles Assi (6) · G. de Mestral et F. Harlé (6)
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National tech categories:
FR 6.4 (278) · None (142) · USPC 244/45R (11) · FR 6.3 (11) · DE 77h.5 (8) · USPC 244/13 (8) · DE 77h.11 (6) · USPC 244/70 (5) · FR 6.2 (4) · USPC 244/27 (3) · USPC 244/9 (3) · USPC 244/19 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (304) · CPC B64C2700/6295 (257) · CPC B64C39/005 (64) · CPC B64C39/08 (45) · CPC B64C39/008 (28) · CPC B64C39/003 (20) · CPC B64C39/006 (12) · CPC B64C39/06 (4) · CPC B64C39/062 (4) · CPC B64C3/385 (4) · CPC B64C39/068 (3) · CPC B64C3/56 (3) · CPC B64C3/42 (3) · None (3)
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