Drilldown: Patents

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Patents > National tech categories : FR 6.3 or USPC 244/51 & IPCs: None

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None (146) · Comte Antoine Apraxine (5) · Georg Wellner (4) · Gaston Tissandier (3) · Koch (3) · Jean Dusséqué (3) · Guégnot (3) · Gignoux (3) · Gentil (3) · de Préneuf (3) · Folacci (3)
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Tech fields:
navigation (109) · LTA (105) · propulsion (92) · balloon (45) · aerostat (36) · Dirigible (33) · None (28) · airplane (27) · airship (24) · balloons (22) · construction (15) · stability (15) · rudder (14) · safety (14) · dirigibles (13) · propeller (13) · frame (11) · ascension (11) · propellers (11)
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Supplementary to patent:
None (333) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3) · Patent FR-1898-275602 (2) · Patent FR-1891-217128 (2) · Patent FR-1892-225358 (2) · Patent FR-1893-228892 (2) · Patent FR-1893-233439 (2) · Patent FR-1881-143296 (2) · Patent FR-1897-271948 (2) · Patent FR-1890-205155 (2) · Patent DE-1892-73603 (2)
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Patent agent:
None (165) · Armengaud jeune (19) · Blétry aîné (17) · Desnos (15) · Chassevent (14) · Société Marillier et Robelet (11) · Armengaud aîné (10) · Dumas (8) · Dieuaide (8) · Société Louis Gudman et Cie (7) · Casalonga (6) · Émile Barrault (6) · Josse (5) · Société Matray frères (5) · Thirion (5) · Blétry frères (4) · Fayollet (4) · Nauhardt (4)
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