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Patents > Applicant firm: None & CPCs : CPC B64C17/00 or CPC B64C35/00 & First filing: Yes

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Tech fields:
stability (252) · None (251) · airplane (152) · automatic stability (107) · design (49) · control (42) · Equilibrium (34) · frame (32) · aerodynamics (31) · wings (27) · construction (22) · pendulum (22) · hydroplane (20) · aeroplane (18) · hydroaeroplane (18) · subsystem (18) · lift (17) · rudder (16) · navigation (16) · balance (15)
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None (582) · Patent US-1908-1077750 (2) · Patent FR-1914-475066 (2) · Patent DE-1913-03-26 Gustav Mees (2) · Patent DE-1913-02-20 Gustav Mees (2) · Patent FR-1910-435648 (2) · Patent FR-1911-443878 (2)
Related to aircraft:
Patent agent:
None (271) · None (26) · Armengaud jeune (13) · Boult, Wade & Tennant (10) · Victor J. Evans (10) · Munn & Co. (10) · E. Blétry (10) · J. Bonnet-Thirion et Breton (7) · J. Bonnet-Thirion (7) · Hippolyte Josse (7) · Charles Dony (7) · P. Follin (6) · Matray frères et Cie (5) · Marks & Clerk (5) · Lavoix et Mosès (5) · Haseltine, Lake & Co. (5)
National tech categories:
None (265) · FR 6.4 (220) · USPC 244/80 (56) · USPC 244/93 (17) · USPC 244/177 (11) · USPC 244/92 (8) · USPC 244/90R (7) · DE 77h.5 (5) · USPC 244/101 (5) · USPC 244/105 (3) · USPC 244/139 (3) · FR 6.3 (3) · USPC 244/89 (3)
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