Drilldown: Patents

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Patents > Office : DK or ES or IT or LU or NO

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Office: (Click arrow to add another value)
Applicant person:
None (215) · Louis Constantin (5) · Viktor Tarczal (4) · Ugo Antoni (4) · Guido Antoni (4) · Josef Simkó (4) · Alfred John Macy (4) · Leonardo Torres Quevedo (4)
Applicant is inventor:
Tech fields:
airplane (122) · LTA (95) · propulsion (64) · navigation (60) · stability (51) · Design (49) · None (48) · frame (46) · balloon (42) · propeller (33) · wings (30) · marine (26) · propellers (26) · subsystem (25) · construction (21) · whole (19) · Aerodynamics (19) · rudder (15) · airship (15) · control (15)
Full specification filed date:
Granted:
Supplementary to patent:
None (231) · Patent CH-1899-18666 (4) · Patent HU-1901-24148 (4) · Patent SE-1906-23283 (4) · Patent DE-1894-83896 (3) · Patent GB-1908-4519 (3) · Patent DE-1907-194166 (3) · Patent FR-1902-326727 (3) · Patent DE-1899-123884 (3) · Patent FR-1891-216860 (3)
Related to aircraft:
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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