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Patents > Applicant firm: None & IPCs : IPC B64C1/00 or IPC B64C17/00 or IPC B64C25/00

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Tech fields:
Stability (425) · airplane (364) · automatic stability (185) · design (123) · frame (95) · control (91) · aerodynamics (81) · None (80) · landing (67) · Equilibrium (67) · Subsystem (63) · construction (57) · wings (57) · wheels (43) · chassis (40) · Fuselage (37) · rudder (36) · gyroscope (34) · pendulum (33)
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Patent agent:
None (146) · Armengaud jeune (47) · None (38) · Charles Dony (20) · E. Blétry (18) · Marks & Clerk (18) · J. Bonnet-Thirion (17) · J. Germain (14) · Haseltine, Lake & Co. (12) · Herbert Haddan & Co. (12) · Schwab (10) · Hippolyte Josse (10) · Lavoix et Moses (10) · Matray frères et Cie (10) · Weismann et Marx (9) · L. Chassevent (9) · Abel & Imray (9) · Boult, Wade & Tennant (8) · P. Follin (8)
National tech categories:
FR 6.4 (478) · None (209) · USPC 244/80 (11) · DE 77h.5 (8) · USPC 244/100R (6) · USPC 244/119 (4) · FR 6.3 (4) · USPC 244/102R (3) · USPC 244/93 (3) · DE 77h.9 (3) · USPC 244/104R (3) · USPC 244/50 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (501) · CPC B64C2700/6218 (193) · CPC B64C2700/6212 (108) · CPC B64C1/00 (67) · CPC B64C17/06 (65) · CPC B64C2700/6214 (65) · CPC B64C25/06 (61) · CPC B64F2700/6226 (58) · CPC B64C2700/6216 (48) · CPC B64C2700/6219 (39) · CPC B64C25/62 (34) · CPC B64C2700/6228 (28) · CPC B64C25/52 (27) · CPC B64C25/64 (23) · CPC B64C25/54 (21) · CPC B64C2001/0063 (17) · CPC B64C2700/6215 (16) · CPC B64C2700/6225 (11) · CPC B64C2001/0081 (9) · CPC B64C25/60 (8)
First filing:
Citations from after 1930:
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