Drilldown: Patents

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Patents > Office : ES or IT or NO & Granted: Yes

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Office: (Click arrow to add another value)
Applicant person:
None (166) · Leonardo Torres Quevedo (4) · Viktor Tarczal (3) · Louis Constantin (3) · Ugo Antoni (3) · Guido Antoni (3) · Josef Simkó (3)
Applicant is inventor:
Tech fields:
Airplane (81) · LTA (71) · propulsion (46) · None (45) · navigation (41) · balloon (35) · Stability (31) · frame (29) · Design (27) · propeller (22) · marine (21) · wings (17) · whole (15) · subsystem (15) · Propellers (15) · Aerodynamics (11)
Full specification filed date:
Granted: (Click arrow to add another value)
Supplementary to patent:
None (180) · Patent HU-1901-24148 (3) · Patent SE-1906-23283 (3) · Patent DE-1907-194166 (3) · Patent BE-1907-202697 (2) · Patent DE-1899-123884 (2) · Patent BE-1913-253298 (2) · Patent FR-1891-216860 (2) · Patent BE-1910-Hervieu-hangar (2) · Patent FR-1902-326727 (2) · Patent US-1906-850616 (2) · Patent BE-1907-199348 (2) · Patent GB-1908-4519 (2) · Patent AU-1914-14892 (2) · Patent FR-1910-423792 (2) · Patent ES-1911-50435 (2) · Patent IT-1902-65889 (2) · Patent CH-1899-18666 (2)
Related to aircraft:
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Citations from after 1930:
Number of text pages:
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