Drilldown: Patents

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Patents > Year granted: 1921 & Related to aircraft: Yes & First filing: No

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Year filed:
1914 (1) · 1916 (5) · 1917 (2) · 1918 (5)
Year granted:
(There are no values for this filter)
Office:
AT (1) · DE (3) · FR (3) · HU (2) · US (4)
Inventors:
None (3) · Charles-Édouard-Pierre Gourdou (1) · Edward Eugene Brown (1) · Elmer A. Sperry (1) · Ernest Abington Vessey (1) · Glenn Hammond Curtiss (1) · Hermann Werner (1) · Jakob Haw (1) · Jane-Françoise-Mathilde Giraud (1) · Jean-Adolphe Leseurre (1) · Michel Schleiffer (1) · Pierre Levasseur (1)
Inventor country:
AT (1) · DE (4) · DZ (1) · FR (3) · GB (2) · US (2)
Inventor location:
None (13)
Applicant person:
None (3) · Charles-Édouard-Pierre Gourdou (1) · Edward Eugene Brown (1) · Elmer A. Sperry (1) · Ernest Abington Vessey (1) · Glenn Hammond Curtiss (1) · Hermann Werner (1) · Jakob Haw (1) · Jane-Françoise-Mathilde Giraud (1) · Jean-Adolphe Leseurre (1) · Michel Schleiffer (1) · Pierre Levasseur (1)
Applicant firm:
None (8) · Curtiss Aeroplane and Motor Corporation (1) · Luft Fahrzeug G.m.b.H. (2) · Österreichische Daimler Motoren A. G. (1) · Sperry Gyroscope (1)
Applicant type:
COMPANY (3) · COMPANY+INDIV (1) · INDIV (8) · INDIV+COMPANY (1)
Applicant is inventor:
No (5) · Yes (8)
Tech fields:
None (13)
Filing date:
1914 (1) · 1916 (5) · 1917 (2) · 1918 (5)
Full specification filed date:
November 28, 1921 (1)
Application number:
None (1) · 1914351477 (1) · 22303D (1) · 22528D (1) · 23745418 (1) · 24665718 (1) · 26476118 (1) · 335054D (1) · 340778D (1) · 341424D (1) · 533183D (1) · 78314 (1) · 78471 (1)
Grant date:
January 1921 (4) · February 1921 (2) · March 1921 (2) · August 1921 (2) · September 1921 (1) · October 1921 (1) · December 1921 (1)
Granted:
Yes (13)
Publication date:
March 1921 (1) · June 1921 (1) · July 1921 (1) · August 1921 (1) · February 1922 (2)
Supplementary to patent:
None (6) · Patent AT-1916-87037 (1) · Patent DE-1915-04-13 Luft Fahrzeug G.m.b.H. (1) · Patent DE-1915-04-13-Luft Fahrzeug G.m.b.H. (1) · Patent DE-1915-300200 (1) · Patent FR-1916-491738 (1) · Patent FR-1917-504302 (1) · Patent GB-1917-126391 (1)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (9) · Herbert H. Thompson (1) · John P. Tarbox (1) · None (1) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (1)
Assigned to:
None (11) · Curtiss Aeroplane and Motor Corporation (1) · Sperry Gyroscope Company (1)
National tech categories:
None (2) · AT 77d (1) · DE 77h.5 (2) · DE 77h.6 (1) · FR 6.4 (2) · HU V/h (2) · USPC 244/123.7 (1) · USPC 244/177 (1) · USPC 244/181 (1) · USPC 244/79 (1) · USPC 244/81 (1) · USPC 416/89, 416/168R (1) · USPC 74/5.34 (1)
IPCs:
None (4) · IPC B64C1/00 (1) · IPC B64C1/06 (1) · IPC B64C11/00 (2) · IPC B64C11/22 (1) · IPC B64C17/00 (1) · IPC B64C23/00 (1) · IPC B64C3/00 (1) · IPC B64C3/18 (1) · IPC CPC B64C13/00 (1)
CPCs:
None (3) · CPC B64C1/064 (1) · CPC B64C1/065 (1) · CPC B64C11/00 (2) · CPC B64C11/003 (1) · CPC B64C11/22 (1) · CPC B64C13/00 (1) · CPC B64C17/00 (1) · CPC B64C2001/0081 (1) · CPC B64C23/005 (1) · CPC B64C2700/6218 (1) · CPC B64C2700/6233 (1) · CPC B64C2700/6256 (1) · CPC B64C3/00 (1) · CPC B64C3/18 (1) · CPC B64D2700/62692 (1) · CPC B64D2700/6271 (1) · CPC Y10T74/1221 (1)
Family year:
1914 (1) · 1915 (3) · 1916 (3) · 1917 (2) · 1918 (4)
First filing: (Click arrow to add another value)
Cites these patents:
None (13)
Citations from after 1930:
None (13)
Number of text pages:
None (1) · 2 (8) · 3 (2) · 5 (1) · 15 (1)
Number of claims:
None (2) · 1 (2) · 2 (6) · 5 (1) · 6 (1) · 8 (1)
Number of diagram pages:
None (1) · 1 (6) · 2 (3) · 3 (1) · 5 (1) · 6 (1)
Number of figures:
None (1) · 1 - 3 (3) · 3 - 6 (4) · 6 - 20 (5)

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