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Patents > Applicant firm: None & IPCs : IPC B64C17/00 or IPC B64C39/00

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Tech fields:
airplane (471) · stability (411) · design (209) · automatic stability (179) · None (146) · frame (122) · control (114) · wings (114) · aerodynamics (110) · construction (91) · Propulsion (86) · propellers (77) · lift (63) · Equilibrium (62) · Subsystem (57) · rudder (53) · sustentation (43) · whole (42) · navigation (41) · fuselage (39)
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Patent agent:
None (194) · None (62) · Armengaud jeune (46) · Marks & Clerk (28) · E. Blétry (24) · J. Bonnet-Thirion (23) · J. Germain (19) · Charles Dony (14) · Boult, Wade & Tennant (13) · Matray frères et Cie (13) · Weismann et Marx (13) · Haseltine, Lake & Co. (12) · Brandon frères (12) · Lavoix et Mosès (12) · Boramé et Julien (12) · Herbert Haddan & Co. (11) · L. Chassevent (11) · Y. Rabilloud et fils (11) · P. Follin (10) · Abel & Imray (10)
National tech categories:
FR 6.4 (614) · None (276) · DE 77h.5 (17) · FR 6.3 (14) · USPC 244/45R (13) · USPC 244/80 (11) · USPC 244/13 (10) · USPC 244/70 (6) · DE 77h.11 (6) · FR 6.2 (5) · USPC 244/27 (4) · USPC 244/93 (3) · USPC 244/9 (3) · USPC 244/19 (3) · USPC 244/20 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (510) · CPC B64C39/00 (292) · CPC B64C2700/6295 (258) · CPC B64C2700/6218 (178) · CPC B64C2700/6212 (115) · CPC B64C2700/6214 (65) · CPC B64C39/005 (64) · CPC B64C39/08 (47) · CPC B64C2700/6219 (34) · CPC B64C39/008 (29) · CPC B64C39/003 (19) · CPC B64C2700/6215 (16) · CPC B64C39/006 (12) · CPC B64C1/00 (5) · CPC B64C3/42 (4) · CPC B64C3/385 (4) · CPC B64C2700/6211 (4) · CPC B64C39/06 (4) · CPC B64C39/062 (4)
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