Patent DE-1880-11471

• Inventor location: Forsthaus Grüna bei Chemnitz

Patent family descending from Patent DE-1877-8392

• Patent DE-1877-8392 (English title: Locomotion devices for airships and watercraft, Filing date: 1877-11-18, National tech categories: DE 77)
• Patent DE-1880-11471 (English title: Propulsion apparatus for air- and water-craft, Supplementary to patent: Patent DE-1877-8392, Filing date: 1880-03-31, National tech categories: DE 77)

Sources

• Lilienthal museum patents ; http://www.museumnet.lilienthal-museum.de/digitalisate/11471.pdf
• Alexander-Katz, 1912 p434
• Zeitschrift des Deutschen Vereins zur Förderung der Luftschifffahrt (Zeitschrift für Luftschiffahrt und Physik der Atmosphäre) vol. 4 (1885), p. 85
• Original patent document and Bibliographic info at DPMA
• Original patent document and bibliography entry at espacenet

Year filed	1880
Year granted	1880
Office	DE
Patent number	11471
Inventors	Ernst Georg August Baumgarten
Inventor country	DE
Inventor location
Applicant person	Ernst Georg August Baumgarten
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	Neuerungen an Fortbewegungs-Apparaten für Luft- und Wasserchiffe
English title	Propulsion apparatus for air- and water-craft
Tech fields	marine, propulsion
Filing date	1880/03/31
Full specification filed date
Application number
Grant date	1880/11/08
Granted?	1
Publication date
Supplementary to patent	Patent DE-1877-8392
Related to aircraft?	1
Serial number
Patent agent
Assigned to
National tech categories	DE 77
IPCs	IPC B63G8/16
CPCs	CPC B63G8/16
Family year	1877
First filing?	No
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages	1
Number of diagram pages	1
Number of figures	3
Number of claims	1