Patent CH-1910-52816

This patent appears to be the original of a significant international family related to airplane stabilizers; however, the foreign filings, including the German, are more extensive, with more illustrations, despite being filed shortly after the present Swiss patent.

• Inventor location: Lucerne
• Patent agent location: Magliaso

Patents which are supplementary to this one

• Patent GB-1910-26340 (English title: Automatic Safety-controlling Device for Aerial Machines especially Aeroplanes, Filing date: 1910-11-12)
• Patent DE-1910-259355 (English title: Airplane with stabilizing surfaces adjustable by means of touch-surfaces, Filing date: 1910-10-29)
• Patent RU-1910-23136 (English title: Airplane, Filing date: 1910-10-27)

Sources

• Original patent document and bibliography entry at espacenet
• Bibliographic info on this patent and original patent document at DPMA
• State Archives of Lucerne

Year filed	1910
Year granted	1912
Office	CH
Patent number	52816
Inventors	Joseph Wetterwald
Inventor country	CH
Applicant person	Joseph Wetterwald
Applicant firm
Applicant type	INDIV
Applicant is inventor?	Yes
Original title	Automatische Stabilisierungseinrichtung an Aeroplanen
English title	Automatic stabilization device on airplanes
Tech fields	stability, subsystem, airplane, automatic stability, suspension, springs
Filing date	1910/10/18
Full specification filed date
Application number
Grant date	1912/01/02
Granted?	Yes
Publication date	1912/01/02
Supplementary to patent
Related to aircraft?	Yes
Serial number
Patent agent	Ferdinand Klostermann
Assigned to
National tech categories	CH 129b
IPCs
CPCs
Family year	1910
First filing?	Yes
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages	2
Number of diagram pages	1
Number of figures	2
Number of claims	1