Patent FR-1911-446282

This combines a wind-reactive propeller with a system of counterweights in the interests of achieving automatic longitudinal stability.

Sources

• Original patent document and bibliography entry on espacenet
• on google patents
• Inventor location: département Seine, France

Patent family descending from Patent FR-1911-446282

• Patent FR-1911-446282 (English title: Automatic airplane longitudinal stability system, National tech categories: FR 6.4)
• Patent FR-1912-446282.16689 (English title: Automatic airplane longitudinal stability system, Supplementary to patent: Patent FR-1911-446282, National tech categories: FR 6.4)
• Patent GB-1912-20927 (English title: Airplane stability, Supplementary to patent: Patent FR-1911-446282)
• Patent GB-1912-21001 (English title: Airplane stabilizer, Supplementary to patent: Patent FR-1912-446282.16689 • Patent FR-1911-446282 • Patent GB-1912-20927)

Year filed	1911
Year granted	1912
Office	FR
Patent number	446282
Inventors	Robert Esnault-Pelterie
Inventor country	FR
Applicant person	Robert Esnault-Pelterie
Applicant firm
Applicant type	INDIV
Applicant is inventor?	Yes
Original title	Système de stabilisateur automatique longitudinal pour aéroplane
English title	Automatic airplane longitudinal stability system
Tech fields	airplane, construction, design, stability, aerodynamics, fuselage, chassis, landing, automatic stability
Filing date	1911/09/27
Full specification filed date
Application number	446282D
Grant date	1912/09/28
Granted?	Yes
Publication date	1912/11/30
Supplementary to patent
Related to aircraft?	Yes
Serial number
Patent agent	Armengaud jeune
Assigned to
National tech categories	FR 6.4
IPCs	IPC B64C17/00
CPCs	CPC B64C2700/6215, CPC B64C17/00
Family year	1911
First filing?	Yes
Cites these patents
Citations from after 1930
Application ID	19264629
INPADOC family ID	5200302
Number of text pages	2
Number of diagram pages	1
Number of figures	2
Number of claims	1