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Patents > IPCs : IPC B64C31/06 or IPC B64C39/00

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Tech fields:
Airplane (167) · design (115) · frame (88) · None (86) · propulsion (79) · stability (66) · wings (65) · Construction (64) · propellers (59) · kite (55) · aerodynamics (47) · lift (41) · control (39) · whole (37) · navigation (32) · aeroplane (28) · sustentation (26) · fuselage (25) · rudder (22)
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None (371) · Patent FR-1916-502839 (4) · Patent US-1908-927605 (2) · Patent FR-1910-414004 (2) · Patent FR-1909-421311 (2) · Patent FR-1909-403418 (2) · Patent FR-1909-399976 (2) · Patent FR-1909-395148 (2) · Patent FR-1912-441089 (2) · Patent FR-1913-461629 (2) · Patent FR-1908-396470 (2) · Patent FR-1908-394418 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1902-326476 (2) · Patent GB-1908-4519 (2) · Patent NZ-1909-26981 (2) · Patent FR-1910-421136 (2) · Patent US-1910-993987 (2) · Patent US-1911-994106 (2)
Related to aircraft:
Patent agent:
None (135) · None (26) · Armengaud jeune (22) · Marks & Clerk (13) · J. Bonnet-Thirion (11) · Weismann et Marx (11) · E. Bletry (10) · J. Germain (10) · Munn & Co. (9) · Dupont et Elluin (8) · Borame et Julien (8) · Boult, Wade & Tennant (7) · L. Chassevent (6) · C. Blétry (6) · Brandon freres (6) · G. de Mestral et F. Harlé (5) · Chassevent (5) · Charles Assi (5) · Y. Rabilloud et fils (5)
National tech categories:
FR 6.4 (270) · None (136) · USPC 244/153R (24) · USPC 244/45R (14) · FR 6.3 (11) · USPC 244/13 (11) · FR 20.1 (8) · DE 77h.5 (7) · DE 77 (7) · USPC 244/155R (6) · USPC 244/70 (6) · FR 6.2 (4) · USPC 244/20 (4) · DE 77h.11 (4) · USPC 244/27 (4) · USPC 244/9 (4) · DE 77h (3) · USPC 244/19 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (293) · CPC B64C2700/6295 (287) · CPC B64C39/005 (63) · CPC A63H27/08 (57) · CPC B64C39/08 (41) · CPC B64C39/008 (26) · CPC B64C39/003 (18) · CPC B64C39/006 (12) · CPC A63H27/087 (7) · CPC B64C39/062 (4) · CPC B64C3/385 (3) · None (3) · CPC B64C39/06 (3)
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