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Patents > IPCs : IPC B64B1/00 or IPC B64C17/00 & Number of claims: 2-5

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None (351) · Seine (4) · Nièvre (3) · London (3) · New York City (2) · Nord (2) · Seine-et-Oise (2) · Berlin (2) · New York county (2) · Maine-et-Loire (2)
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Tech fields:
stability (169) · LTA (136) · airplane (120) · automatic stability (69) · frame (59) · design (47) · navigation (38) · control (37) · balloon (36) · propulsion (33) · construction (31) · None (31) · airship (26) · subsystem (24) · dirigible (23) · Equilibrium (21) · rudder (21) · aerodynamics (20) · hybrid (20) · dirigibles (19)
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None (249) · Patent FR-1913-472867 (4) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1913-467415 (3) · Patent FR-1910-415470 (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent FR-1908-396249 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1909-408872 (2) · Patent HU-1909-49726 (2) · Patent BE-1912-08-13-Panian (2) · Patent DE-1910-243485 (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent FR-1914-472867.19895 (2) · Patent US-1914-1108113 (2) · Patent US-1915-1149680 (2) · Patent FR-1912-442419 (2)
Related to aircraft:
Patent agent:
None (64) · Armengaud jeune (22) · None (15) · Haseltine, Lake & Co. (15) · Marks & Clerk (12) · Brandon frères (8) · Boult, Wade & Tennant (8) · E. Blétry (8) · Herbert Haddan & Co. (7) · Charles Dony (7) · Dupont et Elluin (6) · H. Bœttcher fils (5) · Rigot et Prévost (5) · Paul Coulomb (5) · Matray frères et Cie (5) · Société A. Frey et de Carsalade (5) · Hippolyte Josse (5) · Lavoix et Mosès (5) · Schwab (5) · L. Chassevent (5)
National tech categories:
FR 6.4 (182) · None (126) · USPC 244/30 (13) · FR 6.3 (12) · DE 77h.5 (7) · USPC 244/80 (6) · USPC 244/32 (5) · USPC 244/26 (5) · DE 77h.2 (4) · USPC 104/22 (4) · USPC 244/29 (3) · USPC 244/127 (3) · USPC 244/25 (3) · USPC 244/67 (3) · USPC 244/99 (3) · USPC 244/125 (3) · USPC 244/96 (3)
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