Drilldown: Patents

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Patents > National tech categories : FR 6.3 or USPC 423/656 & IPCs: None

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None (144) · Comte Antoine Apraxine (5) · Georg Wellner (4) · Gentil (3) · Koch (3) · Jean Dusséqué (3) · Guégnot (3) · Gignoux (3) · de Préneuf (3) · Gaston Tissandier (3) · Folacci (3)
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Tech fields:
Navigation (99) · LTA (95) · Propulsion (84) · balloon (43) · aerostat (36) · dirigible (33) · None (33) · airship (23) · Airplane (22) · balloons (21) · construction (13) · dirigibles (13) · safety (13) · stability (11) · ascension (11) · instrument (10) · propellers (10) · electricity (9) · infrastructure (9)
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Supplementary to patent:
None (319) · 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-1893-228892 (2) · Patent FR-1881-143296 (2) · Patent FR-1892-225358 (2) · Patent FR-1891-217128 (2) · Patent FR-1890-205155 (2)
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None (155) · Armengaud jeune (19) · 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) · Société Matray frères (5) · Josse (5) · Thirion (5) · Fayollet (4) · Nauhardt (4) · Blétry frères (4)
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