Drilldown: Patents

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Patents > Office: DE & Grant date: 1920 - 1929 & Number of figures: 6-8

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Year filed:
None (1) · 1913 (2) · 1915 (3) · 1917 (1) · 1918 (1)
Year granted:
1913 (1) · 1917 (1) · 1918 (1) · 1920 (2) · 1921 (3)
Office: (Click arrow to add another value)
Inventors:
None (2) · Alexander Albert Holle (1) · Henri Fabre (1) · James Vernon Martin (1) · Michel Schleiffer (1) · Rudolf Wagner (1) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (1)
Inventor country:
DE (4) · FR (2) · GB (1) · US (1)
Inventor location:
None (7) · Berlin (1)
Applicant person:
None (3) · Alexander Albert Holle (1) · Henri Fabre (1) · James Vernon Martin (1) · Michel Schleiffer (1) · Rudolf Wagner (1)
Applicant firm:
None (5) · Helix Propeller G.m.b.H. (1) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (1) · Zeppelin-Werke G.m.b.H. (1)
Applicant type:
COMPANY (2) · INDIV (5) · UNIV-PRO-GOV (1)
Applicant is inventor:
No (2) · Yes (6)
Tech fields:
aerodynamics (1) · aeroplane stability (1) · airfoil (1) · buoyancy (1) · construction (1) · Control (1) · design (2) · frame (1) · hydroaeroplane (1) · hydrodynamics (1) · Navigation (1) · propeller (1) · rigid airships (1) · rudder (1) · Safety (1) · scaffolding (1) · spar (1) · structure (1) · wings (2)
Filing date:
1913 (2) · 1915 (3) · 1917 (2) · 1918 (1)
Full specification filed date:
None (8)
Application number:
322483D (1) · 324003D (1) · 328318D (1) · 330012D (1) · 334826D (1) · 342010D (1) · 345582D (1) · SC052670 (1)
Grant date:
1920 (3) · 1921 (4) · 1925 (1)
Granted:
Yes (8)
Publication date:
None (5) · 1920 (1) · 1921 (1) · 1925 (1)
Supplementary to patent:
None (5) · Patent DE-1917-318341 (1) · Patent FR-1912-455471 (1) · Patent GB-1912-2540 (1)
Related to aircraft:
1 (5) · Yes (3)
Patent agent:
None (8)
Assigned to:
None (8)
National tech categories:
None (1) · DE 77h.2 (1) · DE 77h.5 (3) · DE 77h.6 (1) · DE 77h.7 (1) · DE 77h.9 (1)
IPCs:
None (1) · IPC B64B1/00 (1) · IPC B64C11/36 (1) · IPC B64C3/00 (1) · IPC B64C3/56 (1) · IPC B64C35/00 (1) · IPC B64C9/02 (1) · IPC CPC B64C13/00 (1)
CPCs:
CPC B64B1/00 (1) · CPC B64B1/08 (1) · CPC B64C11/36 (1) · CPC B64C13/00 (1) · CPC B64C17/00 (1) · CPC B64C2700/6212 (1) · CPC B64C2700/6233 (1) · CPC B64C2700/6259 (1) · CPC B64C3/00 (1) · CPC B64C3/56 (1) · CPC B64C35/00 (1) · CPC B64C9/02 (1) · CPC B64F2700/6276 (1)
Family year:
1912 (2) · 1915 (3) · 1917 (2) · 1918 (1)
First filing:
No (4) · Yes (4)
Cites these patents:
None (8)
Citations from after 1930:
None (8)
Number of text pages:
2 (4) · 3 (3) · 4 (1)
Number of claims:
1 (2) · 2 (1) · 3 (1) · 4 (3) · 6 (1)
Number of diagram pages:
1 (6) · 2 (2)
Number of figures:
6 (2) · 7 (3) · 8 (3)

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