Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & National tech categories : DE 77 or HU V/h & CPCs: None & Number of text pages: 1-2

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airplane (15) · construction (9) · Airship (9) · Design (7) · Frame (6) · motors (6) · LTA (6) · Aerodynamics (5) · subsystem (5) · biplane (5) · safety (4) · texture (3) · stability (3) · propellers (3) · HTA (3) · military (3)
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None (8) · Patent AT-1915-79261 (1) · Patent AT-1916-79728 (1) · Patent AT-1917-78502 (1) · Patent AT-1917-79539 (1) · Patent DE 1916-12-01 Gesellschaft für Apparatenbau A. R. Ahrent és P. Heylandt G.m.b.H. (1) · Patent DE-1913-01-31 Daimler Motoren-Gesellschaft (1) · Patent DE-1913-10-03 Optische Signale G. m. b. H. (1) · Patent DE-1913-11-15 Allgemeine Elektricitäts-Gesellschaft (1) · Patent DE-1914-11-12 Dr. Erich F. Huth G. m. b. H. (1) · Patent DE-1914-12-24 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1915-02-16 Hugo Junkers (1) · Patent DE-1915-03-20 Kurt Dominik (1) · Patent DE-1915-04-13 Luft Fahrzeug G.m.b.H. (1) · Patent DE-1915-04-13-Luft Fahrzeug G.m.b.H. (1) · Patent DE-1915-04-16 Luftfahrzeug-Gesellschaft m. b. H. (1) · Patent DE-1915-05-04 Luftfahrzeug-Gesellschaft m. b. H. (1) · Patent DE-1915-06-08 AGO Flugzeugwerke G. m. b. H. (1) · Patent DE-1915-08-16 Allgemeine Elektricitäts-Gesellschaft‎ (1) · Patent DE-1915-08-16 János Windhoff (1) · Patent DE-1915-11-24 Daimler Motoren-Gesellschaft (1) · Patent DE-1915-12-21 Siemens-Schuckert Werke GmbH (1) · Patent DE-1916-01-11 Siemens-Schuckert Werke GmbH (1) · Patent DE-1916-03-06 Gothaer Waggonfabrik A. G. (1) · Patent DE-1916-03-18 Luftfahrzeugbau Schütte-Lanz (1) · Patent DE-1916-03-21 Allgemeine Elektricitäts-Gesellschaft (1) · Patent DE-1916-03-30 Luftfahrzeugbau Schütte-Lanz (1) · Patent DE-1916-04-18 Jakob Haw (1) · Patent DE-1916-05-12 Gothaer Waggonfabrik A. G. (1) · Patent DE-1916-05-26 Gothaer Waggonfabrik A. G. (1) · Patent DE-1916-05-27 AGO Flugzeugwerke G. m. b. H. (1) · Patent DE-1916-05-29 Reinhold Richter (1) · Patent DE-1917-02-16 Oscar Gerhardt (1) · Patent DE-1917-03-15 (1) · Patent FR-1912-449070 (1) · Patent HU-1917-76911 (1)
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