Patent DE-1893-80151

helicopter? Steering mechanism

Airship based on propeller design submitted by Czygan in Patent DE-1893-73799

• Inventor location: Hermeskeil

Patent family descending from Patent DE-1893-73799

• Patent FR-1894-237821 (English title: compression propeller for air-ships, Supplementary to patent: Patent DE-1893-73799, National tech categories: FR 6.3)
• Patent DE-1894-77895 (English title: Propeller for airships, Supplementary to patent: Patent DE-1893-73799, National tech categories: DE 77)
• Patent DE-1893-73799 (English title: Propeller for airships, National tech categories: DE 77)
• Patent DE-1893-80151 (English title: airship lifted by a rotary propeller, Supplementary to patent: Patent DE-1893-73799)
• Patent GB-1894-8778 (English title: Improved Propelling Apparatus for Aerostatic Vessels, Supplementary to patent: Patent DE-1893-73799 • Patent DE-1894-77895)

Sources

• Archive record at Lilienthal museum patents
• Original patent document at Lilienthal museum patents
• Original patent document and Bibliographic info at DPMA
• Original patent document and bibliography entry at espacenet

Year filed	1893
Year granted	1895
Office	DE
Patent number	80151
Inventors	Richard Czygan
Inventor country	DE
Applicant person	Richard Czygan
Applicant firm
Applicant type	INDIV
Applicant is inventor?	1
Original title	Durch einen Drehpropeller gehobenes Luftschiff
English title	airship lifted by a rotary propeller
Tech fields	control, propeller, propulsion, design
Filing date	1893-04-18
Full specification filed date
Application number
Grant date	1895-03-07
Granted?	1
Publication date
Supplementary to patent	Patent DE-1893-73799
Related to aircraft?	1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs	CPC B64B1/00
Family year	1893
First filing?	1
Cites these patents
Citations from after 1930
Application ID	9372070
INPADOC family ID
Number of text pages	4
Number of diagram pages	1
Number of figures	11
Number of claims	1