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

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Tech fields:
airplane (390) · stability (330) · design (198) · automatic stability (128) · None (121) · frame (121) · construction (109) · wings (107) · Aerodynamics (107) · control (91) · propulsion (83) · propellers (73) · lift (65) · Fuselage (59) · subsystem (51) · equilibrium (47) · Rudder (43) · aeroplane (43) · navigation (43) · sustentation (42)
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Patent agent:
None (202) · None (48) · Armengaud jeune (43) · J. Bonnet-Thirion (22) · Marks & Clerk (18) · E. Blétry (17) · J. Germain (16) · Boult, Wade & Tennant (15) · Haseltine, Lake & Co. (14) · Weismann et Marx (14) · Charles Dony (13) · Dupont et Elluin (11) · Boramé et Julien (11) · Herbert Haddan & Co. (10) · L. Chassevent (10) · Lavoix et Mosès (10) · Brandon freres (9) · Schwab (9) · Hippolyte Josse (9)
National tech categories:
FR 6.4 (534) · None (257) · DE 77h.5 (18) · USPC 244/45R (14) · FR 6.3 (13) · USPC 244/13 (11) · USPC 244/119 (7) · USPC 244/70 (6) · USPC 244/9 (4) · DE 77h.11 (4) · USPC 244/20 (4) · USPC 244/27 (4) · FR 6.2 (4) · USPC 244/87 (3) · FR 6.1 (3) · USPC 244/19 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (293) · CPC B64C2700/6295 (287) · CPC B64C17/00 (269) · CPC B64C2700/6218 (198) · CPC B64C1/00 (79) · CPC B64C17/06 (65) · CPC B64C39/005 (63) · CPC B64C2700/6216 (48) · CPC B64C39/08 (41) · CPC B64C2700/6219 (40) · CPC B64C2700/6228 (30) · CPC B64C2001/0063 (29) · CPC B64C39/008 (26) · CPC B64C39/003 (18) · CPC B64C2001/0081 (13) · CPC B64C2700/6225 (12) · CPC B64C39/006 (12) · CPC B64C1/061 (7) · CPC B64C17/04 (7) · CPC B64C1/068 (6)
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