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Patents > IPCs : IPC B64C1/00 or IPC B64C33/00 & Number of claims: 1-5

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Tech fields:
None (168) · stability (136) · Airplane (111) · automatic stability (41) · design (34) · frame (32) · control (26) · Wings (24) · construction (23) · aerodynamics (21) · equilibrium (20) · flapping (18) · fuselage (18) · gyroscope (16) · subsystem (15) · rudder (13) · HTA (11) · lift (10) · ornithopter (10) · Propulsion (10)
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Supplementary to patent:
None (254)
Related to aircraft:
Patent agent:
None (73) · None (26) · Armengaud jeune (21) · J. Bonnet-Thirion (9) · E. Blétry (8) · Schwab (8) · Boult, Wade & Tennant (8) · Haseltine, Lake & Co. (7) · Herbert Haddan & Co. (7) · Charles Dony (7) · J. Germain (7) · Lavoix et Mosès (7) · Dom. Casalonga (6) · De Bongé (6) · Hippolyte Josse (6) · L. Chassevent (6) · P. Follin (6) · Paul Coulomb (6)
National tech categories:
FR 6.4 (267) · None (105) · DE 77h.5 (12) · USPC 244/22 (6) · DE 77h.10 (2) · USPC 244/119 (2) · USPC 244/11 (2) · FR 6.3 (2) · USPC 244/64 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (222) · CPC B64C2700/6218 (156) · CPC B64C1/00 (69) · CPC B64C17/06 (52) · CPC B64C33/00 (40) · CPC B64C2700/6216 (37) · CPC B64C2700/6219 (32) · CPC B64C2700/6228 (30) · CPC B64C2001/0063 (22) · CPC B64C2001/0081 (13) · CPC B64C1/061 (8) · CPC B64C2700/6225 (8) · CPC B64C33/02 (6) · CPC B64C1/068 (6) · CPC B64C1/06 (6) · CPC B64C17/04 (5) · CPC B64C2700/6204 (4) · CPC B64C1/08 (4) · CPC B64C2700/6223 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
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