Drilldown: Patents

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Patents > Office : CA or CH or IN

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Office: (Click arrow to add another value)
Applicant person:
None (89) · Alfred John Macy (8) · Joseph Wetterwald (5) · Thomas Sopwith (4) · August Riedinger (4) · Dane Hurlburt (4) · Louis Brennan (3)
Applicant is inventor:
Tech fields:
Airplane (88) · frame (68) · LTA (66) · propulsion (58) · Design (42) · Stability (42) · propeller (39) · Propellers (33) · navigation (32) · balloon (30) · whole (23) · subsystem (23) · Wings (22) · control (21) · rudder (21) · None (20) · car (19) · aerodynamics (18) · Construction (18)
Full specification filed date:
Application number:
None (291)
Granted:
Supplementary to patent:
None (165) · Patent AT-1913-59404‎ (3) · Patent US-1877-194841 (2) · Patent FR-1910-420958 (2) · Patent US-1908-927605 (2) · Patent DE-1909-232158 (2) · Patent GB-1903-27212 (2) · Patent US-1913-1087946 (2) · Patent DE-1895-98580 (2) · Patent GB-1908-4519 (2) · Patent US-1914-1104963 (2) · Patent US-1909-970771 (2) · Patent GB-1913-16499 (2) · Patent HU-1901-24148 (2) · Patent GB-1912-2540 (2) · Patent GB-1918-128724 (2) · Patent GB-1911-12232‎‎ (2)
Related to aircraft:
Patent agent:
None (147) · E. Blum & Co. (21) · E. Imer-Schneider (17) · A. Ritter (15) · H. Kirchhofer (10) · Wilhelm Reinhard (8) · Munn & Co. (7) · Fritz Isler (6) · Dr. Forrer & Hug (4) · Ferdinand Klostermann (4) · Naegeli & Co. (4) · C. Hanslin & Cie. (4)
National tech categories:
None (67) · CH 129b (60) · CH 115 (26) · CH 129a (14) · CH 129c (11) · CA 244/24 (7) · CA 244/12 (6) · CA 244/35 (5) · CA 244/10 (4) · CA 244/31 (4) · CA 341/80 (4) · CA 244/29 (3) · CA 244/4 (3) · CA 46/28 (3) · CA 244/34 (3) · CH 96g (3) · CA 244/11 (3)
IPCs:
None (291) · IPC B64C11/00 (5) · IPC B64C19/00 (4) · IPC B64C9/00 (3) · IPC F24F7/02 (2) · IPC B64C3/18 (2) · IPC B64C11/16 (2) · IPC G05D1/08 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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