DE 77h.3

This German patent was written on the original patents as "Klasse 77h gruppe 3". This wiki has 14 patents in category "DE 77h.3".

Patents in category DE 77h.3

• Patent DE-1908-214019 (English title: Filling airships with hot gas, Inventors: Hugo Erdmann)
• Patent DE-1907-194166 (English title: Method and device to regulate the inclination of an elongated airship by means of two air sacs, Filing date: 1907-05-14, Applicant firm: Motorluftschiff Studiengesellschaft m.b.H)
• Patent DE-1908-239989 (English title: Apparatus for changing the elevation of rigid balloons, Inventors: Paul Lehmann, Filing date: 1908-01-18)
• Patent DE-1909-217235 (English title: Method of preparing lifting gas for airship travel, Inventors: Heinrich Koppers, Filing date: 1908-06-05)
• Patent DE-1910-218427 (English title: Method of propelling an airship, which is filled by exhaust gas from the motor, Inventors: Oscar Bender, Filing date: 1908-08-11)
• Patent DE-1908-220975 (English title: Method of refilling airships during flight, Inventors: Johannes Schilling, Filing date: 1908-08-14)
• Patent DE-1908-221549 (English title: Method for increasing the lifting-power of air-balloons, Inventors: Johannes Schilling, Filing date: 1908-08-14)
• Patent DE-1908-250958 (English title: Fire protection for airships, Inventors: Walter Hermann von Mach, Filing date: 1908-08-21)
• Patent DE-1909-214122 (English title: Rigid balloon, Inventors: Felix Ohm, Filing date: 1908-09-19)
• Patent DE-1910-219599 (English title: Method of removing or introducing gas to an airship, Inventors: Wilhelm Eisenlohr, Filing date: 1908-09-24)
• Patent DE-1909-247139 (English title: Balloon filling technique, Inventors: Marie Erdmann, Filing date: 1909-02-26)
• Patent DE-1909-228898 (English title: Apparatus for regulating the lifting power of airships, Inventors: Ulrich Lübbert, Filing date: 1909-07-10)
• Patent DE-1911-240183 (English title: Method of in-flight airship refilling using superheated steam, Inventors: Oscar Klemm, Filing date: 1910-10-02)
• Patent DE-1917-310199 (English title: Fire safety apparatus for airship, Inventors: Reinhold Richter, Filing date: 1917-08-24)

Enclosing categories	DE 77h
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