Drilldown: Patents

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Patents > Tech fields : LTA or marine & Filing date: 1800 - 1899 & Number of text pages: None

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Office:
Applicant person:
None (244) · Comte Antoine Apraxine (8) · Louis-Honoré Gauthier (5) · Meller (the younger) (4) · l'abbé Jean-Martin Demongeot (4)
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Supplementary to patent:
None (322) · Patent FR-1841-9265 (6) · Patent FR-1891-216860 (4) · Patent FR-1836-5429 (3) · Patent FR-1878-124576 (3) · Patent FR-1850-10514 (2) · Patent CH-1899-18666 (2) ·   (2) · Patent FR-1891-215265 (2) · Patent DE-1899-123884 (2) · Patent US-1892-502168 (2) · Patent CA-1878-8860 (2)
Related to aircraft:
Patent agent:
None (347) · Chassevent (4) · Armengaud jeune (2) · Édouard Baral (2) · Dumas (2) · Munn & Co. (2) · Herbert John Haddan (2) · Armengaud aîné (2) · Armand Ricordeau (2)
National tech categories:
None (177) · FR 5 (42) · FR 6.3 (33) · GB 4 with buoyant (28) · FR 6.4 (21) · GB 4 propel & steer (15) · GB 4 aërostats (13) · FR 6 (11) · DE 77 (9) · GB 4 (9) · FR 6.2 (6) · IT 8 (5) · GB 4 parachutes (5) · FR 20 (4) · USPC 244/52 (3) · USPC 244/51 (3) · USPC 244/30 (3) · USPC 244/27 (3) · USPC 244/98 (3) · USPC 89/1.51 (3)
First filing:
Citations from after 1930:
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