Drilldown: Patents

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Patents > Office : DK or ES & Grant date: 1900 - 1999

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Office: (Click arrow to add another value)
Inventors:
None (15) · Louis Constantin (5) · Leonardo Torres Quevedo (4) · Alfred John Macy (4) · Carl Alfred Johansson (3) · Charles Denniston Burney (3) · Albert Graff (3) · Louis Brennan (3) · Walter George Tarrant (3) · Antoine-Padoue Filippi (3) · Richard Wilcke (3) · Louis-Marie Le Dantec (3)
Inventor country:
Applicant person:
None (28) · Louis Constantin (5) · Alfred John Macy (4) · Carl Alfred Johansson (3) · Louis-Marie Le Dantec (3) · Louis Brennan (3) · Charles Denniston Burney (3) · Antoine-Padoue Filippi (3) · Leonardo Torres Quevedo (3) · Walter George Tarrant‎ (3)
Applicant is inventor:
Tech fields:
airplane (44) · design (28) · LTA (23) · stability (23) · Frame (21) · propulsion (21) · Propellers (19) · subsystem (17) · Construction (16) · wings (14) · Aerodynamics (13) · navigation (13) · balloon (12) · None (10) · control (10) · lift (9) · hydrodynamics (8) · airship (8)
Full specification filed date:
Granted:
Supplementary to patent:
None (52) · Patent FR-1913-466195 (2) · Patent DE-1899-123884 (2) · Patent GB-1909-26034 (2) · Patent US-1909-970771 (2) · Patent DE-1907-194166 (2) · Patent GB-1911-12232 (2) · Patent GB-1911-29012 (2) · Patent FR-1911-430455 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent GB-1908-4519 (2) · Patent FR-1912-447782 (2) · Patent BE-1913-253298 (2) · Patent DE-1909-Wilcke-Graff (2)
Related to aircraft:
Assigned to:
CPCs:
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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