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Patents > IPCs : IPC B64C1/00 or IPC B64C37/00 or IPC B64C39/00

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Tech fields:
Airplane (447) · stability (341) · design (214) · None (145) · automatic stability (133) · Frame (130) · wings (115) · construction (112) · aerodynamics (111) · control (93) · propulsion (87) · propellers (79) · lift (66) · fuselage (64) · subsystem (54) · equilibrium (51) · rudder (49) · Sustentation (47) · navigation (46) · gyroscope (42)
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Patent agent:
None (194) · None (60) · Armengaud jeune (45) · J. Bonnet-Thirion (24) · Marks & Clerk (20) · Boult, Wade & Tennant (20) · E. Blétry (17) · J. Germain (17) · Haseltine, Lake & Co. (14) · Weismann et Marx (14) · Boramé et Julien (13) · Charles Dony (13) · Brandon freres (12) · Herbert Haddan & Co. (11) · Lavoix et Mosès (11) · Dupont et Elluin (11) · Y. Rabilloud et fils (10) · L. Chassevent (10)
National tech categories:
FR 6.4 (570) · None (281) · DE 77h.5 (21) · USPC 244/45R (14) · FR 6.3 (13) · USPC 244/13 (10) · USPC 244/119 (7) · DE 77h.11 (6) · USPC 244/70 (6) · USPC 244/27 (4) · FR 6.2 (4) · USPC 244/9 (3) · USPC 244/87 (3) · FR 6.1 (3) · USPC 244/19 (3) · USPC 244/20 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (303) · CPC B64C17/00 (279) · CPC B64C2700/6295 (265) · CPC B64C2700/6218 (193) · CPC B64C1/00 (82) · CPC B64C17/06 (73) · CPC B64C39/005 (65) · CPC B64C2700/6216 (52) · CPC B64C39/08 (48) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (31) · CPC B64C2001/0063 (29) · CPC B64C39/008 (29) · CPC B64C39/003 (19) · CPC B64C2001/0081 (15) · CPC B64C39/006 (12) · CPC B64C2700/6225 (10) · CPC B64C1/061 (9) · CPC B64C17/04 (7) · CPC B64C37/00 (7)
First filing:
Citations from after 1930:
Number of diagram pages:

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