Drilldown: Patents

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Patents > Office : BE or FR or GB or NL & Patent agent : Armengaud jeune or Brandon freres or None & IPCs: None

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Office: (Click arrow to add another value)
Inventor country:
None (1621) · FR (1166) · GB (466) · US (208) · DE (180) · BE (105) · IT (41) · AT (36) · CH (34) · CA (21) · AU (9) · NO (9) · NL (9) · SE (9) · RU (8) · Great Britain (7) · HU (6) · NZ (6) · ES (6) · Ireland (6)
Applicant is inventor:
Application number:
Granted:
Supplementary to patent:
None (3762) · Patent BE-1907-199348 (16) ·   (11) · Patent FR-1841-9265 (6) · Patent BE-1909-214032 (5) · Patent FR-1880-139386 (3) · Patent FR-1878-124576 (3) · Patent FR-1836-5429 (3) · Patent GB-1886-8051 (2) · Patent GB-1885-339 (2) · Patent FR-1898-275602 (2) · Patent FR-1897-271948 (2) · Patent FR-1893-233439 (2) · Patent FR-1890-205155 (2) · Patent FR-1873-97664 (2) · Patent FR-1850-10514 (2) · Patent BE-1910-225558 (2) · Patent FR-1881-142748 (2) · Patent FR-1881-143264 (2)
Patent agent: (Click arrow to add another value)
National tech categories:
None (3293) · FR 6.3 (174) · FR 5 (105) · BE K (102) · FR 6.4 (73) · GB 4 propel & steer (39) · GB 4 with buoyant (31) · GB 4 (24) · FR 6 (22) · GB 4 without buoyant (21) · GB 4 aërostats (17) · FR 3 (10) · FR 6.2 (9) · GB 4 aëroplanes (8) · GB 4 framework (8) · FR 2 (8) · GB 4 motors (7) · GB 4 parachutes (7) · FR 20 (6) · GB 122 aero steam engines (5)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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