Drilldown: Patents

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Patents > Tech fields : Steering or navigation & Family year: 1800 - 1899

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None (180) · Blaise Bontems (5) · Edward Arthur Pearse (4) · Albert Livingstone Blackman (4) · Eugene F. Falconnet (3) · Jean-Louis Le Hir (3) · Guégnot (3)
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None (294) · Patent FR-1881-142748 (3) · Patent US-1890-432860 (2) · Patent GB-1879-2229 (2) · Patent FR-1899-Boinet (2) · Patent FR-1898-278192 (2) · Patent FR-1892-225358 (2) · Patent FR-1891-216860 (2) · Patent FR-1885-168266 (2) · Patent FR-1891-217128 (2) · Patent CA-1878-8860 (2)
Related to aircraft:
Patent agent:
None (239) · Munn & Co. (11) · Desnos (5) · Armengaud jeune (4) · Blétry aîné (4) · Chassevent (3) · Casalonga (3) · Haseltine, Lake & Co. (2) · Léopold D’Aubreville (2) · Engelfred (2) · Émile Barrault (2) · Marks & Clerk (2) · Dufrené (2) · None (2) · Dieuaide (2) · Alfred Julius Boult (2)
National tech categories:
None (123) · FR 6.3 (65) · FR 5 (23) · DE 77 (20) · USPC 244/30 (15) · FR 6.4 (11) · GB 4 propel & steer (8) · GB 4 with buoyant (7) · USPC 244/26 (6) · USPC 244/27 (5) · GB 4 without buoyant (5) · USPC 244/51 (5) · FR 6 (4) · USPC 244/96 (4) · GB 4 aëroplanes (4) · GB 4 framework (4)
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