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Patents > Applicant firm: None & IPCs : IPC B64C13/00 or IPC B64C17/00 or IPC B64C35/00

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Tech fields:
stability (377) · airplane (363) · automatic stability (167) · control (149) · design (124) · None (91) · aerodynamics (83) · frame (80) · wings (68) · equilibrium (59) · subsystem (57) · rudder (55) · steering (54) · construction (45) · hydroplane (39) · lift (35) · hydroaeroplane (34) · landing (31) · pendulum (30) · propellers (25)
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Patent agent:
None (158) · Armengaud jeune (41) · None (38) · Marks & Clerk (22) · E. Blétry (18) · Boult, Wade & Tennant (15) · Charles Dony (15) · Abel & Imray (14) · Weismann et Marx (14) · Haseltine, Lake & Co. (12) · J. Bonnet-Thirion (11) · Hippolyte Josse (10) · Matray frères et Cie (10) · J. Bonnet-Thirion et Breton (10) · P. Follin (10) · J. Germain (10) · Herbert Haddan & Co. (9) · Dom. Casalonga (9)
National tech categories:
FR 6.4 (461) · None (243) · DE 77h.5 (24) · DE 77h.9 (11) · USPC 244/80 (10) · USPC 244/233 (7) · USPC 244/234 (6) · FR 6.3 (5) · USPC 244/231 (4) · DE 62b.15 (3) · USPC 244/87 (3) · USPC 244/82 (3) · USPC 244/237 (3) · USPC 244/93 (3) · USPC 244/225 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (510) · CPC B64C2700/6218 (178) · CPC B64C13/00 (148) · CPC B64C2700/6212 (115) · CPC B64C35/00 (113) · CPC B64C2700/6256 (88) · CPC B64C2700/6214 (65) · CPC B64C2700/6219 (34) · CPC B64F2700/6261 (22) · CPC B64C2700/6215 (16) · CPC B64F2700/6296 (15) · CPC B64C35/008 (11) · CPC B64F2700/628 (10) · CPC B64C2700/6259 (7) · CPC B64F2700/6265 (7) · CPC B64F2700/6276 (6) · CPC B64F2700/6292 (6) · CPC B64C2700/6211 (4) · CPC B64C1/00 (4) · CPC B64F2700/6284 (4)
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