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Patents > IPCs : IPC B64B1/40 or IPC B64C39/00

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Tech fields:
airplane (169) · Design (121) · None (86) · propulsion (86) · frame (81) · LTA (81) · stability (76) · construction (67) · Wings (63) · propellers (59) · Aerodynamics (47) · navigation (43) · control (43) · lift (40) · Whole (36) · aeroplane (27) · rudder (27) · sustentation (26) · fuselage (25) · balloon (23)
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None (381) · Patent FR-1916-502839 (4) · Patent FR-1908-396470 (2) · Patent FR-1909-395148 (2) · Patent FR-1909-403418 (2) · Patent FR-1910-414004 (2) · Patent FR-1910-421136 (2) · Patent FR-1912-441089 (2) · Patent FR-1913-461629 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1902-326476 (2) · Patent GB-1908-4519 (2) · Patent GB-1914-20119 (2) · Patent NZ-1909-26981 (2) · Patent US-1908-927605 (2) · Patent US-1910-993987 (2) · Patent US-1911-1003530 (2) · Patent US-1911-994106 (2) · Patent FR-1908-394418 (2) · Patent FR-1909-421311 (2)
Related to aircraft:
Patent agent:
None (143) · Armengaud jeune (26) · None (22) · Marks & Clerk (16) · J. Bonnet-Thirion (12) · J. Germain (10) · E. Bletry (10) · Weismann et Marx (9) · Munn & Co. (8) · Chassevent (7) · Dupont et Elluin (7) · Borame et Julien (7) · Lavoix et Mosès (7) · Charles Assi (6) · C. Blétry (6) · Boult, Wade & Tennant (6) · L. Chassevent (6)
National tech categories:
FR 6.4 (290) · None (139) · FR 6.3 (18) · USPC 244/45R (14) · USPC 244/13 (11) · DE 77 (7) · DE 77h.5 (7) · USPC 244/70 (6) · DE 77h (6) · USPC 244/127 (6) · DE 77h.11 (4) · USPC 244/9 (4) · USPC 244/27 (4) · FR 6.2 (4) · USPC 244/20 (4) · USPC 244/119 (3) · USPC 244/33 (3) · USPC 244/96 (3) · USPC 244/19 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (293) · CPC B64C2700/6295 (287) · CPC B64B1/40 (71) · CPC B64C39/005 (63) · CPC B64C39/08 (41) · CPC B64C39/008 (26) · CPC B64C39/003 (18) · CPC B64C39/006 (12) · None (6) · CPC B64C39/062 (4) · CPC B64C39/06 (3) · CPC B64C3/385 (3)
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