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Patents > National tech categories: FR 6.3 & IPCs : IPC B64C27/04 or None

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None (147) · Comte Antoine Apraxine (5) · Georg Wellner (4) · Guégnot (3) · de Préneuf (3) · Folacci (3) · Gaston Tissandier (3) · Gentil (3) · Gignoux (3) · Koch (3) · Jean Dusséqué (3)
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Tech fields:
navigation (103) · LTA (98) · Propulsion (89) · balloon (43) · aerostat (36) · dirigible (34) · Airplane (25) · airship (24) · None (23) · balloons (22) · safety (15) · construction (15) · propellers (14) · Dirigibles (13) · stability (13) · ascension (12) · instrument (10) · electricity (9) · infrastructure (9) · parachute (8)
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Supplementary to patent:
None (327) · Patent FR-1878-124576 (3) · Patent FR-1881-142748 (3) · Patent DE-1892-73603 (2) · Patent FR-1897-271948 (2) · Patent FR-1898-275602 (2) · Patent FR-1893-233439 (2) · Patent FR-1881-143296 (2) · Patent FR-1893-228892 (2) · Patent FR-1892-225358 (2) · Patent FR-1891-217128 (2) · Patent FR-1890-205155 (2)
Related to aircraft:
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None (157) · Armengaud jeune (21) · Blétry aîné (17) · Desnos (15) · Chassevent (14) · Société Marillier et Robelet (12) · Armengaud aîné (10) · Dieuaide (9) · Dumas (8) · Société Louis Gudman et Cie (7) · Casalonga (7) · Émile Barrault (6) · Josse (5) · Société Matray frères (5) · Thirion (5) · Fayollet (4) · Nauhardt (4) · Blétry frères (4)
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