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Patents > IPCs : IPC B64B1/62 or IPC B64C39/00

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Tech fields:
airplane (166) · design (115) · None (85) · propulsion (83) · Frame (76) · LTA (74) · construction (66) · wings (63) · stability (61) · propellers (60) · Aerodynamics (45) · navigation (43) · Lift (43) · control (41) · whole (37) · aeroplane (27) · fuselage (25) · sustentation (25) · Rudder (22)
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Supplementary to patent:
None (365) · Patent FR-1916-502839 (4) · Patent FR-1913-456298 (3)
Related to aircraft:
Patent agent:
None (138) · Armengaud jeune (21) · None (21) · Marks & Clerk (15) · J. Bonnet-Thirion (13) · Lavoix et Mosès‎ (10) · J. Germain (10) · Weismann et Marx (9) · Munn & Co. (9) · E. Bletry (9) · Dupont et Elluin (7) · Boult, Wade & Tennant (7) · Borame et Julien (7) · L. Chassevent (6) · Brandon freres (6)
National tech categories:
FR 6.4 (287) · None (137) · USPC 244/45R (14) · FR 6.3 (11) · USPC 244/13 (11) · USPC 244/97 (9) · DE 77h.5 (7) · USPC 244/70 (6) · FR 6.2 (4) · USPC 244/20 (4) · USPC 244/27 (4) · DE 77h.3 (4) · USPC 244/9 (4) · DE 77h.11 (4) · DE 77 (4) · USPC 244/119 (3) · USPC 244/19 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (293) · CPC B64C2700/6295 (286) · CPC B64C39/005 (63) · CPC B64B1/62 (59) · CPC B64C39/08 (41) · CPC B64C39/008 (26) · CPC B64C39/003 (18) · CPC B64C39/006 (12) · CPC B64C39/062 (4) · None (4) · CPC B64C3/385 (3) · CPC B64C39/06 (3)
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