Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & Number of claims: 5-9 & Number of diagram pages: 1-2

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Year filed:
1920 (6) · 1921 (3) · 1927 (1)
Year granted:
None (2) · 1921 (1) · 1922 (4) · 1923 (2) · 1928 (1)
Office:
AT (1) · DE (1) · GB (4) · US (4)
Inventors:
None (2) · Anton Flettner (2) · Auguste Rateau (1) · Ernst Heinkel‎ (1) · François M. Rilleau (1) · Nikola Tesla (1) · Raúl Pateras Pescara (1) · William S. Hull (1)
Inventor country:
None (1) · AR (1) · DE (4) · ES (1) · FR (1) · US (3)
Applicant person:
None (3) · Anton Flettner (2) · Auguste Rateau (1) · Ernst Heinkel‎ (1) · François M. Rilleau (1) · Raúl Pateras Pescara (1) · William S. Hull (1)
Applicant firm:
None (8) · Daimler-Motoren-Gesellschaft (1) · Zeppelin-Werke G.m.b.H. (1)
Applicant type:
None (2) · 1 (1) · COMPANY (1) · INDIV (6)
Applicant is inventor:
None (1) · Yes (9)
Tech fields:
airplane (2) · ascension (1) · control (2) · descent (1) · design (1) · engine (1) · frame (2) · helicopter (2) · hybrid (1) · internal combustion (1) · landing (2) · marine (1) · motor (1) · motors (1) · ornithopter (1) · propeller (3) · propulsion (1) · rudder (1) · safety (1) · seaplane (1) · stability (1) · steering (2) · takeoff (1) · wings (2)
Filing date:
1920 (6) · 1921 (3) · 1927 (1)
Full specification filed date:
None (10)
Application number:
None (10)
Grant date:
None (2) · 1921 (1) · 1922 (4) · 1923 (2) · 1928 (1)
Granted:
No (2) · Yes (8)
Publication date:
May 1923 (1) · November 1923 (1)
Supplementary to patent:
None (3) · Patent DE-1915-05-31 Daimler Motoren-Gesellschaft (1) · Patent DE-1917-375592 (1) · Patent DE-1917-Zeppelin-Werke (1) · Patent DE-1918-388537 (1) · Patent ES-1919-07-03-Pescara (1) · Patent FR-1916-524114 (1) · Patent US-1928-1655113 (1)
Related to aircraft:
1 (8) · Yes (2)
Patent agent:
None (4) · A. Albright? (1) · B. Singer (1) · Frantz and Richards (1) · Haseltine, Lake & Co.‎ (2) · W. P. Thompson & Co. (1)
Assigned to:
None (10)
National tech categories:
None (6) · AT 46a (1) · DE 77h.5 (1) · USPC 244/118.5 (1) · USPC 416/112 (1) · USPC 416/127 (1)
IPCs:
None (1) · IPC B64C1/26 (1) · IPC B64C13/00 (1) · IPC B64C27/00 (1) · IPC B64C27/04 (1) · IPC B64C27/54 (1) · IPC B64C29/00 (1) · IPC B64C33/02 (1) · IPC B64C9/10 (1) · IPC B64D27/00 (1) · IPC B64D27/04 (1) · IPC B64D31/04 (1) · IPC B64F1/22 (1)
CPCs:
None (1) · B64D31/04 (1) · CPC B64D27/04 (1) · CPC B64C1/26 (1) · CPC B64C13/00 (1) · CPC B64C27/04 (1) · CPC B64C27/54 (1) · CPC B64C29/0025 (1) · CPC B64C33/02 (1) · CPC B64C9/10 (1) · CPC B64D27/00 (1) · CPC B64F1/221 (1)
Family year:
1915 (1) · 1916 (1) · 1917 (2) · 1918 (1) · 1919 (1) · 1921 (4)
First filing:
None (2) · No (5) · Yes (3)
Cites these patents:
None (10)
Citations from after 1930:
None (1) · 3 (1)
Number of text pages:
2 (4) · 3 (3) · 4 (2) · 5 (1)
Number of claims:
5 (6) · 6 (2) · 7 (2)
Number of diagram pages:
1 (7) · 2 (3)
Number of figures:
1 (4) · 4 (4) · 5 (2)

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