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Patents > Tech fields : Stability or lift & CPCs : CPC B64C13/00 or None & Number of text pages: 1-2

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Office:
Inventors:
None (11) · Carl Alfred Johansson (4) · Donát Bánki (3) · Max Richter (3) · Sergei Tscherwinsky (3) · Jean Georges Ramel (3) · Eduard Penkala (3)
Inventor country:
Applicant person:
None (30) · Carl Alfred Johansson (4) · Jean Georges Ramel (3) · Eduard Penkala (3) · Max Richter (3) · Donát Bánki (3) · Sergei Tscherwinsky (3) · Hjalmar Pålson (2) · Jacob Christian Hansen-Ellehammer (2) · John William Dunne (2) · Edwin Vorliček (2) · Henry Calder Lobnitz (2) · Otto Albin Budig (2) · Carl Wilhelm Paul (2) · Carl Franz Hubert Hertel (2) · Robert Esnault-Pelterie (2) · Mihály Székely (2) · Rudolf Penkala (2) · Severin Schneider (2) · Anton Flettner (2)
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Full specification filed date:
Application number:
None (75)
Granted:
Supplementary to patent:
None (92) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1909-399456 (3) · Patent FR-1908-392672 (2) · Patent FR-1909-399456.11513 (2) · Patent HU-1909-49726 (2) · Patent DE-1912-05-04 Otto Albin Budig (2) · Patent AT-1913-66955 (2)
Related to aircraft:
Patent agent:
None (98) · Armengaud jeune (5) · None (3) · Marks & Clerk (3) · Abel & Imray (2) · H. Boettcher fils (2) · Haseltine, Lake & Co.‎ (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
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