Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & Assigned to: None & Number of claims: 6-10

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Year filed:
1920 (7) · 1921 (3) · 1927 (1)
Year granted:
None (1) · 1921 (2) · 1922 (3) · 1923 (1) · 1924 (2) · 1925 (1) · 1928 (1)
Office:
CA (1) · DE (1) · FR (2) · GB (1) · US (6)
Inventors:
None (1) · Charles Arthur Wragg (2) · Eugene Ludwig Greenewald (1) · François M. Rilleau (1) · George Lanzius (1) · Jakob Haw (1) · Nikola Tesla (1) · Otto S. Lind (1) · Robert Ingersoll Eustis (1) · Seth Hart (1) · William Davey Oddy (1) · William John Adderley (1) · William S. Hull (1)
Inventor country:
AU (2) · DE (2) · GB (1) · US (8)
Inventor location:
None (9) · Chicago (1) · Los Angeles (1)
Applicant person:
None (3) · Charles Arthur Wragg (1) · Charles-Arthur Wragg (1) · Eugene Ludwig Greenewald (1) · Evelyn Eliza Fairbanks Lanzius (1) · François M. Rilleau (1) · Otto S. Lind (1) · Robert Ingersoll Eustis (1) · Seth Hart (1) · William Davey Oddy (1) · William John Adderley (1) · William S. Hull (1)
Applicant firm:
None (10) · Daimler-Motoren-Gesellschaft (1)
Applicant type:
None (1) · COMPANY (1) · INDIV (9)
Applicant is inventor:
None (1) · No (1) · Yes (9)
Tech fields:
None (1) · airfoil (2) · airplane (3) · camber (1) · control (1) · coupling (1) · elasticity (1) · engine (1) · frame (1) · helicopter (1) · hybrid (1) · landing (1) · lift (1) · motor (1) · ornithopter (1) · propeller (4) · propellers (1) · propulsion (1) · safety (1) · takeoff (1) · Tragfläche (1) · transmission (1) · wing (1)
Filing date:
1920 (7) · 1921 (3) · 1927 (1)
Full specification filed date:
April 4, 1921 (1)
Application number:
None (10) · 25340218 (1)
Grant date:
None (2) · 1921 (2) · 1922 (3) · 1923 (1) · 1924 (2) · 1928 (1)
Granted:
No (1) · Yes (10)
Publication date:
None (9) · 1921 (1) · 1925 (1)
Supplementary to patent:
None (5) · Patent AT-1917-87219 (1) · Patent AT-1917-87220 (1) · Patent AU-1914-14892 (1) · Patent DE-1915-05-31 Daimler Motoren-Gesellschaft (1) · Patent DE-1915-300200 (1) · Patent DE-1916-309361 (1) · Patent DE-1916-332539 (1) · Patent DE-1916-332540 (1) · Patent DE-1916-332541 (1) · Patent DE-1919-332428 (1) · Patent HU-1917-75493 (1) · Patent HU-1917-76645 (1) · Patent US-1918-1338025 (1) · Patent US-1918-1589780 (2) · Patent US-1928-1655113 (1)
Related to aircraft:
None (1) · 1 (9) · Yes (1)
Patent agent:
None (3) · A. Albright? (1) · Barlow et Gentizon (1) · Chappell Earl (1) · Clement Lean (1) · Frantz and Richards (1) · Joshua R. H. Potts (1) · William Wallace White (2)
Assigned to: (Click arrow to add another value)
National tech categories:
None (7) · DE 77h.5 (1) · FR 6.4 (1) · USPC 244/118.5 (1) · USPC 464/60 (1)
IPCs:
None (1) · IPC B64C11/16 (1) · IPC B64C11/36 (2) · IPC B64C21/08 (1) · IPC B64C27/04 (1) · IPC B64C29/00 (1) · IPC B64C33/02 (1) · IPC B64C9/16 (1) · IPC B64D27/00 (1) · IPC B64D27/04 (1) · IPC B64D31/04 (1) · IPC F16D 3/50 (1) · IPC F16D3/72 (1)
CPCs:
None (1) · B64D31/04 (1) · CPC B64D27/04 (1) · CPC B64C11/20 (1) · CPC B64C11/36 (2) · CPC B64C13/30 (1) · CPC B64C27/04 (1) · CPC B64C29/0025 (1) · CPC B64C33/02 (1) · CPC B64C9/16 (1) · CPC B64C9/18 (1) · CPC B64D27/00 (1) · CPC F16D3/72 (1) · CPC Y02T50/10 (1) · CPC Y10T74/19051 (1) · CPC Y10T74/20012 (1)
Family year:
1914 (1) · 1915 (2) · 1918 (2) · 1920 (3) · 1921 (3)
First filing:
No (6) · Yes (5)
Cites these patents:
None (11)
Citations from after 1930:
None (1) · 1 (1) · 3 (1) · 4 (1)
Number of text pages:
2 (1) · 3 (2) · 4 (4) · 5 (3) · 6 (1)
Number of claims:
6 (3) · 7 (2) · 8 (2) · 9 (1) · 10 (3)
Number of diagram pages:
1 (3) · 2 (4) · 3 (2) · 4 (1) · 5 (1)
Number of figures:
4 - 5 (3) · 5 - 30 (8)

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