Drilldown: Patents

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Patents > National tech categories : AT 77d or IT 8

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Office:
Applicant person:
None (230) · Reinhold Richter (9) · Heinrich Bier (4) · Ludwig Schmidl (3) · Alfred E. Wunderlich (3)
Applicant is inventor:
Tech fields:
airplane (166) · Frame (88) · LTA (83) · propulsion (61) · Design (55) · wings (53) · stability (51) · navigation (46) · propeller (42) · construction (40) · subsystem (35) · whole (32) · Propellers (31) · balloon (29) · aerodynamics (27) · Marine (24) · flapping (23) · airfoil (22) · Airship (21) · control (21)
Full specification filed date:
Granted:
Supplementary to patent:
None (252) · Patent SE-1906-23283 (4) · Patent FR-1902-326727 (4) · Patent FR-1906-363017 (2) · Patent DE-1912-08-27 AGO Flugzeugwerke G. m. b. H. (2) · Patent HU-1901-22471 (2) · Patent IT-1902-65889 (2) · Patent DE-1908-221549 (2) · Patent DE-1907-240268 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent DE-1907-194166 (2) · Patent HU-1901-24148 (2) · Patent AT-1912-64662 (2) · Patent US-1913-04-21 George Raymond Lawrence (2)
Related to aircraft:
Patent agent:
National tech categories: (Click arrow to add another value)
IPCs:
None (375) · IPC B64C3/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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