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Patents > Office: FR & CPCs : CPC B64C2700/6274 or None & First filing: No

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Tech fields:
navigation (126) · LTA (117) · None (99) · propulsion (94) · aerostat (51) · balloon (46) · propellers (43) · airplane (32) · dirigible (29) · airship (27) · construction (25) · balloons (25) · ascension (23) · hybrid (21) · stability (20) · design (17) · safety (16) · Control (15) · frame (14) · wings (14)
Full specification filed date:
Application number:
None (417)
Granted:
Supplementary to patent:
None (380) · Patent FR-1841-9265 (6) · Patent FR-1836-5429 (3) · Patent FR-1881-142748 (3) · Patent FR-1880-139386 (3) · Patent FR-1890-205155 (3) · Patent FR-1878-124576 (3) · Patent FR-1861-51979 (3)
Related to aircraft:
Patent agent:
None (308) · Armengaud jeune (18) · Desnos (10) · Chassevent (10) · Armengaud aîné (9) · Jules Mathieu (8) · Blétry aîné (7) · Casalonga (7) · Société Marillier et Robelet (7) · Thirion (7) · Société Louis Gudman et Cie (6) · Émile Barrault (5) · J. Germain (3) · G. de Mestral et F. Harlé (3) · Albert Cahen (3) · Josse (3) · Blétry frères (3)
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