Drilldown: Patents

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Patents > Office : ?? or ES or NL or Other & Tech fields : LTA or Propellers & First filing: No & Number of figures: None

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Office: (Click arrow to add another value)
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Application number:
None (279)
Granted:
Supplementary to patent:
None (240) · Patent BE-1909-214032 (28) · Patent FR-1841-9265 (6) · Patent DE-1908-221549 (4) · Patent FR-1878-124576 (3) · Patent FR-1881-142748 (3) · Patent FR-1836-5429 (3)
Related to aircraft:
Patent agent:
None (292) · A. Wunderlich & Cie, Ingénieurs-Conseils (27) · Armengaud jeune (7) · Société Marillier et Robelet (4) · J. Bonnet-Thirion (4) · Casalonga (4) · Société anonyme Astra Ab [FR] (3) · J. Germain (3) · Desnos (3)
National tech categories:
FR 6.4 (121) · None (119) · FR 6.3 (54) · BE K (54) · FR 5 (14) · FR 6.2 (9) · FR 6 (8) · HU V/h (8) · IT 8 (7) · GB 4 with buoyant (5) · AT 77d (3) · NL 62.6 (2) · DE 77h.4 (2) · GB 4 aërostats (2) · FR 20 (2) · DE 77 (2) · NL 62 (2)
IPCs:
None (281) · IPC B64B1/00 (50) · IPC B64B1/58 (35) · IPC B64B1/62 (7) · IPC B64B1/40 (5) · IPC B64C39/00 (4) · IPC B64B (3) · IPC B64D35/04 (2) · IPC B64C23/00 (2) · IPC B64C11/20 (2) · IPC B64C11/00 (2) · IPC B64C1/00 (2) · IPC B64B1/30 (2) · IPC B64B1/66 (2)
CPCs:
None (270) · CPC B64B1/00 (52) · CPC B64B1/58 (40) · CPC B64B1/62 (7) · CPC B64B1/40 (6) · CPC B64B1/005 (4) · CPC B64C39/00 (3) · CPC B64C23/005 (3) · CPC B64D35/04 (2) · CPC B64C11/205 (2) · CPC B64B1/66 (2) · CPC B64C17/00 (2)
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
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