Drilldown: Patents

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Patents > Publication date: May 1921 & National tech categories: FR 6.4 & Number of text pages: 3-4

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Year filed:
1916 (1) · 1917 (3) · 1919 (1) · 1920 (1)
Year granted:
(There are no values for this filter)
Office:
FR (6)
Inventors:
None (2) · Albéric de la Celle (1) · Antoine Cazanave (1) · Michel Schleiffer (1) · René Caudron (1)
Inventor country:
DE (1) · FR (4) · GB (1)
Inventor location:
None (4) · Aude (1) · La Ricamarie (1) · Loire (1)
Applicant person:
None (2) · Albéric de la Celle (1) · Antoine Cazanave (1) · Michel Schleiffer (1) · René Caudron (1)
Applicant firm:
None (4) · Ballonhüllen Gesellschaft m.b.H. (1) · Patent Corporation Limited (1)
Applicant type:
COMPANY (2) · INDIV (4)
Applicant is inventor:
No (1) · Yes (5)
Tech fields:
aerodynamics (1) · airplane (4) · biplane (1) · chassis (1) · construction (2) · control (1) · design (4) · frame (2) · gas (1) · hélice‎ (1) · hydrodynamics (1) · incidence (1) · magnet (1) · marine (1) · military (1) · motors (2) · Parachutes (1) · projectile (1) · propellers (2) · stability (1) · steering (1) · subsystem (1) · torpedo (1) · wings (2)
Filing date:
1916 (1) · 1917 (3) · 1919 (1) · 1920 (1)
Full specification filed date:
None (6)
Application number:
None (2) · 22128D (1) · 22270D (1) · 22286D (1) · 22290D (1)
Grant date:
December 1920 (4) · April 1921 (1) · December 1921 (1)
Granted:
Yes (6)
Publication date:
May 3, 1921 (1) · May 13, 1921 (1) · May 25, 1921 (3) · May 26, 1921 (1)
Supplementary to patent:
and Patent DE-1918-07-06 Michel Schleiffer (1) · Patent DE-1918-02-20 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-04-06 Michel Schleiffer (1) · Patent DE-1918-10-10 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-421323 (1) · Patent FR-1915-502469 (1) · Patent FR-1916-493651 (1) · Patent FR-1916-502873 (1) · Patent FR-1917-498821 (1)
Related to aircraft:
1 (2) · Yes (4)
Patent agent:
E. Wattier (1) · F. Harlé et G. Bruneton (1) · Louis Tailfer (1) · None (1) · Paul Blum (2)
Assigned to:
None (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C1/00 (1) · IPC B64C13/00 (2) · IPC B64C17/00 (1) · IPC B64C23/00 (1) · IPC B64C3/54 (1) · IPC B64D17/52 (1)
CPCs:
CPC B64C13/00 (2) · CPC B64C17/00 (1) · CPC B64C23/005 (1) · CPC B64C2700/6274 (1) · CPC B64C3/54 (1) · CPC B64D17/52 (1)
Family year:
1915 (1) · 1916 (2) · 1917 (1) · 1918 (2)
First filing:
None (1) · No (3) · Yes (2)
Cites these patents:
None (6)
Citations from after 1930:
None (6)
Number of text pages:
3 (3) · 4 (3)
Number of claims:
1 (4) · 5 (1) · 7 (1)
Number of diagram pages:
1 (3) · 2 (3)
Number of figures:
1 (1) · 2 (1) · 5 (1) · 7 (1) · 12 (2)

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