Drilldown: Patents

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Patents > Application number: None & Publication date: 1921 & IPCs: None

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Year filed:
1912 (1) · 1914 (4) · 1916 (1) · 1917 (5) · 1918 (1) · 1920 (2)
Year granted:
None (2) · 1915 (1) · 1916 (1) · 1920 (3) · 1921 (7)
Office:
AT (6) · AU (2) · DE (3) · FR (1) · HU (2)
Inventors:
None (4) · Adolphe Clément-Bayard (2) · Albert John Fortescue (2) · Arthur Alexander Dashwood Lang (1) · Auguste-Blaise Baron (1) · Charles-Marie-Arthur Guinard (1) · Gabriel Voisin (1) · George Raymond Lawrence (1) · Hellmuth Hirth (1) · Oszkár Asbóth (1)
Inventor country:
AU (2) · DE (5) · FR (4) · GB (1) · HU (1) · US (1)
Applicant person:
None (5) · Adolphe Clément-Bayard (2) · Albert John Fortescue (2) · Arthur Alexander Dashwood Lang (1) · Auguste-Blaise Baron (1) · Charles-Marie-Arthur Guinard (1) · Gabriel Voisin (1) · George Raymond Lawrence (1) · Oszkár Asbóth (1)
Applicant firm:
None (10) · Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (2) · Siemens & Halske Aktiengesellshaft (1) · Zahnradfabrik G.m.b.H. (1)
Applicant type:
COMPANY (4) · INDIV (10)
Applicant is inventor:
None (4) · Yes (10)
Tech fields:
None (3) · aerodynamics (1) · airplane (3) · airship (2) · Bombing (2) · construction (2) · coupling (1) · design (2) · equilibrium (1) · frame (2) · Industry (2) · mechanical (1) · military (3) · parachute (1) · parachutes (1) · photography (1) · propeller (1) · propellers (3) · propulsion (3) · Rigid (1) · safety (1) · stability (1) · subsystem (3) · wings (1) · wood (1)
Filing date:
1912 (1) · 1914 (4) · 1916 (1) · 1917 (5) · 1918 (1) · 1920 (2)
Full specification filed date:
None (14)
Application number: (Click arrow to add another value)
Grant date:
None (3) · 1914 (1) · 1915 (1) · 1916 (1) · 1920 (3) · 1921 (5)
Granted:
No (1) · Yes (13)
Publication date:
January 1921 (6) · April 1921 (1) · June 1921 (1) · August 1921 (2) · September 1921 (3) · December 1921 (1)
Supplementary to patent:
None (5) · Patent 1917-01-19 Siemens & Halske A.-G. (1) · Patent AT-1917-84294 (1) · Patent BE-1911-08-04 Auguste-Blaise Baron and possibly Guinard (1) · Patent DE 1916-10-24 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent DE 1916-12-07 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent FR-1911-438580 (1) · Patent FR-1913-438580.17636 (1) · Patent FR-1913-467912 (1) · Patent GB-1913-22557 (1) · Patent HU-1916-74821 (1) · Patent US-1913-04-21 George Raymond Lawrence (1)
Related to aircraft:
1 (8) · Yes (6)
Patent agent:
None (13) · Dony and Lejeune (1)
Assigned to:
None (14)
National tech categories:
None (3) · AT 57a (1) · AT 77d (2) · AT 78b (2) · DE 77h.4 (1) · DE 77h.6 (2) · FR 6.4 (1) · HU V/h (2)
IPCs: (Click arrow to add another value)
CPCs:
None (13) · CPC B64B1/64 (1)
Family year:
None (3) · 1911 (1) · 1913 (2) · 1914 (1) · 1916 (3) · 1917 (2) · 1920 (2)
First filing:
None (5) · No (4) · Yes (5)
Cites these patents:
None (13) · 1 (1)
Citations from after 1930:
None (14)
Number of text pages:
None (3) · 1 (2) · 2 (7) · 4 (1) · 19,341,274 (1)
Number of claims:
None (3) · 1 (3) · 2 (4) · 3 (2) · 4 (1) · 5 (1)
Number of diagram pages:
None (5) · 1 (7) · 2 (1) · 10,317,548 (1)
Number of figures:
None (6) · 1 (1) · 2 (2) · 4 (3) · 5 (1) · 6 (1)

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