Drilldown: Patents

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Patents > Office : CA or DK

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Office: (Click arrow to add another value)
Inventors:
Alfred John Macy (8) · None (5) · Thomas Sopwith (4) · Walter George Tarrant‎ (3) · Carl Alfred Johansson (3)
Inventor country:
Applicant person:
None (60) · Alfred John Macy (8) · Thomas Sopwith (4) · Walter George Tarrant‎ (3) · Carl Alfred Johansson (3)
Applicant is inventor:
Tech fields:
Airplane (63) · frame (45) · LTA (39) · propulsion (33) · design (33) · stability (30) · navigation (26) · balloon (21) · propeller (21) · wings (19) · Propellers (18) · Rudder (18) · Aerodynamics (16) · construction (16) · marine (14) · control (14) · None (14) · Lift (13) · car (13)
Full specification filed date:
Granted:
Supplementary to patent:
None (98) · Patent GB-1910-18683 (2) · Patent HU-1901-24148 (2) · Patent FR-1911-430455 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent GB-1913-16499 (2) · Patent GB-1909-2111 (2) · Patent US-1909-970771 (2) · Patent GB-1911-12232‎‎ (2) · Patent GB-1908-4519 (2) · Patent CH-1912-62201 (2) · Patent DE-1895-98580 (2)
Related to aircraft:
National tech categories:
DK 77 (45) · None (33) · CA 244/24 (8) · CA 244/12 (6) · DK 65 (6) · CA 244/35 (5) · CA 341/80 (4) · CA 244/10 (4) · CA 244/31 (4) · DE 77 (3) · CA 244/34 (3) · CA 244/29 (3) · CA 244/4 (3) · CA 46/28 (3) · CA 244/11 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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