Drilldown: Patents

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Patents > Office : AT or DK or IN

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Office: (Click arrow to add another value)
Applicant person:
None (174) · Reinhold Richter (9) · Heinrich Bier (7) · Alfred John Macy (4) · Emil Hyra (4) · Karl Klinkosch (4) · Louis Brennan (4) · Ludwig Schmidl (4) · Carl Alfred Johansson (3) · Carl Franz Hubert Hertel (3) · Ignaz Etrich (3) · Carl Wilhelm Paul (3) · Alfred E. Wunderlich (3) · Gustav Behrens (3)
Applicant is inventor:
Tech fields:
airplane (145) · frame (94) · LTA (78) · design (70) · construction (55) · Wings (54) · propulsion (54) · stability (52) · Propellers (41) · subsystem (40) · propeller (35) · navigation (35) · aerodynamics (34) · Airship (30) · control (26) · balloon (26) · whole (25) · flapping (24) · Lift (22) · wheels (22)
Full specification filed date:
Granted:
Supplementary to patent:
None (230) · Patent AT-1911-57225 (3)
Related to aircraft:
National tech categories:
AT 77d (260) · DK 77 (45) · None (30) · AT 37a (9) · DK 65 (6) · AT 65b (5) · AT 46b (5) · AT 74 (5) · AT 77 (4) · AT 37c (4) · AT 77b (3) · AT 42c (3) · DE 77 (3) · AT 63c (2) · AT 61 (2) · AT 78b (2) · AT 49b (2) · AT 47a (2) · AT 46a (2)
IPCs:
None (372) · IPC B64C3/38 (3) · IPC B64C3/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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