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Patents > Inventor country: None & National tech categories : DE 77h.5 or FR 6.3 or USPC 244/90R

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None (5) · Yon (3) · Hofmann (3) · Folacci (3) · de Schuttenbach (3) · Boubillon (2) · Sébillot (2) · Phérékyde (2) · Juppont (2) · Haarbleicher (2) · Guégnot (2) · Frederick William Brearey (2) · Foucher (2) · Ferdinand-Charles-Honoré-Philippe d'Esterno (2) · Clément Ader (2) · Gros (2) · Bel (2) · August Riedinger (2)
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None (99) · Folacci (3) · Bel (2) · Hofmann (2) · Juppont (2) · de Schuttenbach (2) · Sébillot (2) · Haarbleicher (2) · August Riedinger (2)
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Navigation (49) · LTA (40) · propulsion (37) · balloon (18) · None (17) · dirigible (14) · airplane (14) · aerostat (13) · stability (9) · airship (9) · instrument (6) · safety (6) · infrastructure (5) · ascension (4) · balloons (4) · electricity (4) · construction (4)
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None (63) · Blétry aîné (10) · Desnos (10) · Armengaud jeune (9) · Dieuaide (8) · Chassevent (7) · Société Marillier et Robelet (6) · Dumas (5) · Armengaud aîné (4) · Société Louis Gudman et Cie (4) · Nauhardt (4) · Société Thirion et Bonnet (3) · Société Matray frères (3) · Caron (3) · Fayollet (3) · Bardin (3)
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