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Patents > Supplementary to patent : Patent FR-1916-502839 or None & Assigned to: None & IPCs : IPC B64C27/04 or IPC B64C3/18 or IPC B64C39/00

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Tech fields:
airplane (124) · None (77) · Design (73) · Propulsion (69) · frame (68) · construction (55) · wings (48) · propellers (41) · helicopter (40) · stability (36) · Aerodynamics (30) · whole (27) · control (27) · lift (25) · navigation (25) · fuselage (21) · Hybrid (19) · structure (18) · Sustentation (17)
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Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (114) · None (31) · Armengaud jeune (21) · J. Germain (13) · Marks & Clerk (9) · Weismann et Marx (8) · Dupont et Elluin (6) · Munn & Co. (6) · Brandon Frères (6) · Boult, Wade & Tennant (6) · L. Chassevent (6) · E. Blétry (5) · Chassevent (5) · J. S. Withers & Spooner (5)
Assigned to: (Click arrow to add another value)
National tech categories:
FR 6.4 (211) · None (141) · FR 6.3 (15) · USPC 244/45R (12) · DE 77h.5 (10) · USPC 244/13 (9) · USPC 244/20 (4) · DE 77h.11 (4) · DE 77 (4) · USPC 244/70 (4) · USPC 244/9 (4) · FR 6.2 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (189) · CPC B64C2700/6295 (185) · CPC B64C2700/6281 (53) · CPC B64C39/005 (49) · CPC B64C27/04 (40) · CPC B64C39/08 (34) · CPC B64C3/18 (29) · CPC B64C3/185 (20) · CPC B64C39/008 (17) · CPC B64C27/12 (16) · CPC B64C39/003 (9) · CPC B64C39/006 (8) · CPC B64C27/52 (5) · CPC B64C27/20 (5) · CPC B64C39/062 (4) · CPC B64C39/06 (4) · CPC B64C3/385 (3) · CPC B64C3/187 (3) · None (3)
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