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Patents > Tech fields : Stability or lift or propulsion & CPCs: None & Number of text pages: 1-2

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Office:
Inventors:
None (21) · Carl Alfred Johansson (4) · Rudolf Krocker (4) · Eduard Penkala (3) · Jean Georges Ramel (3) · Johann Schütte (3) · Donát Bánki (3) · Sergei Tscherwinsky (3) · Max Richter (3)
Applicant person:
None (73) · Carl Alfred Johansson (4) · Eduard Penkala (3) · Jean Georges Ramel (3) · Johann Schütte (3) · Sergei Tscherwinsky (3) · Rudolf Krocker (3) · Donát Bánki (3) · Max Richter (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (169)
Granted:
Supplementary to patent:
None (156) · Patent DE-1899-123884 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1909-399456 (3) · Patent FR-1909-399456.11513 (2) · Patent FR-1898-278192 (2) · Patent DE-1902-140705 (2) · Patent DE-1893-73799 (2) · Patent HU-1909-49726 (2) · Patent DE-1907-215602 (2) · Patent DE-1907-194165 (2) · Patent FR-1904-342610 (2) · Patent AT-1913-66955 (2)
Related to aircraft:
Patent agent:
None (190) · None (4) · E. Imer-Schneider (2) · E. Blum & Co. (2) · Marks & Clerk (2) · Edwin Phillips (2) · A. Ritter (2) · Wilhelm Reinhard (2)
Assigned to:
National tech categories:
HU V/h (64) · AT 77d (52) · None (22) · DE 77 (16) · DK 77 (13) · CH 129b (9) · RU Group V (6) · DE 77h (5) · FR 6.4 (4) · DE 77h.6 (4) · DE 77h.15 (4) · CH 115 (3) · DE 77h.5 (3) · GB 4 propel & steer (2) · DK 65 (2) · GB 4 with buoyant (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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