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Patents > Office: FR & CPCs: None & First filing: No

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Tech fields:
navigation (121) · LTA (114) · propulsion (87) · None (55) · aerostat (51) · balloon (46) · propellers (31) · dirigible (28) · airship (27) · balloons (24) · stability (18) · construction (17) · safety (14) · ascension (14) · marine (13) · infrastructure (12) · dirigibles (12) · hybrid (11) · airplane (10) · wings (10)
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Supplementary to patent:
None (333) · Patent FR-1841-9265 (6) · Patent FR-1836-5429 (3) · Patent FR-1890-205155 (3) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3) · Patent FR-1861-51979 (3) · Patent FR-1880-139386 (3) · Patent FR-1913-466329 (2) · Patent FR-1881-143296 (2) · Patent FR-1898-275602 (2) · Patent DE-1892-73603 (2) · Patent FR-1850-10514 (2) · Patent FR-1873-97664 (2) · Patent FR-1892-225358 (2) · Patent FR-1897-271948 (2) · Patent FR-1893-233439 (2) · Patent FR-1914-466329.18996 (2)
Related to aircraft:
Patent agent:
None (266) · Armengaud jeune (17) · Desnos (10) · Chassevent (9) · Armengaud aîné (9) · Jules Mathieu (8) · Blétry aîné (7) · Thirion (7) · Société Marillier et Robelet (7) · Casalonga (6) · Société Louis Gudman et Cie (6) · Émile Barrault (5) · Blétry frères (3) · Josse (3) · Albert Cahen (3)
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