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Patents > Applicant firm: None & IPCs : IPC B64B1/58 or IPC B64C17/00 or IPC B64C25/00

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Tech fields:
stability (354) · airplane (301) · automatic stability (155) · LTA (146) · design (111) · frame (106) · control (76) · None (68) · landing (65) · aerodynamics (64) · construction (61) · equilibrium (56) · Subsystem (52) · Wings (49) · wheels (39) · chassis (37) · rudder (33) · navigation (29) · pendulum (28) · Lift (27)
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Patent agent:
None (191) · Armengaud jeune (42) · None (33) · Marks & Clerk (25) · E. Blétry (19) · Charles Dony (17) · J. Bonnet-Thirion (16) · Lavoix et Mosès (13) · Matray freres et Cie (12) · Schwab (11) · Haseltine, Lake & Co. (10) · Herbert Haddan & Co. (10) · J. Germain (10) · Boramé et Julien (10) · Hippolyte Josse (8) · L. Chassevent (8) · P. Follin (8) · Abel & Imray (8) · Weismann et Marx (7)
National tech categories:
FR 6.4 (490) · None (191) · USPC 244/80 (11) · FR 6.3 (9) · USPC 244/100R (6) · DE 77 (5) · DE 77h (5) · DE 77h.5 (5) · DE 77h.4 (4) · USPC 244/93 (3) · USPC 244/126 (3) · USPC 244/102R (3) · DE 77h.9 (3) · USPC 244/104R (3) · USPC 244/50 (2) · GB 4 aërostats (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (489) · CPC B64C2700/6218 (184) · CPC B64B1/58 (157) · CPC B64C2700/6212 (108) · CPC B64C2700/6214 (65) · CPC B64C25/06 (61) · CPC B64F2700/6226 (58) · CPC B64C2700/6219 (37) · CPC B64C25/62 (34) · CPC B64C25/52 (27) · CPC B64C25/64 (23) · CPC B64C25/54 (21) · CPC B64C2700/6215 (16) · CPC B64C25/60 (8) · CPC B64C2700/6211 (6) · None (5)
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