Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Citations from after 1930: 3-6 & Number of diagram pages: 1

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Year filed:
1913 (1) · 1916 (1) · 1917 (3) · 1918 (4) · 1920 (1) · 1921 (1)
Year granted:
1920 (3) · 1921 (3) · 1922 (4) · 1923 (1)
Office:
US (11)
Inventors:
Charles B. Kirkham (1) · Cornelis Hendrick van Asperen (1) · François M. Rilleau (1) · Frederick H. Luense (1) · George Lanzius (1) · John William Rapp (1) · Joseph Vanorio (1) · Melville W. Mix (1) · Nelson W. Dalton (1) · Paul de Crèquy (1) · Richard M. Shaffer (1) · William Alexander McDougall (1)
Inventor country:
CA (1) · GB (2) · US (8)
Applicant person:
Charles B. Kirkham (1) · Charles B. Mann (1) · Charles B. Mann Jr. (1) · Cornelis Hendrick van Asperen (1) · Evelyn Eliza Fairbanks Lanzius (1) · François M. Rilleau (1) · Frederick H. Luense (1) · John William Rapp (1) · Joseph Vanorio (1) · Melville W. Mix (1) · Nelson W. Dalton (1) · Paul de Crèquy (1) · Richard M. Shaffer (1) · William Alexander McDougall (1)
Applicant firm:
None (8) · Aircraft Propeller Corp. (1) · Curtiss Aeroplane (2)
Applicant type:
COMPANY (1) · COMPANY+INDIV (2) · INDIV (8)
Applicant is inventor:
No (5) · Yes (6)
Tech fields:
None (4) · balance (1) · control (1) · coupling (1) · elasticity (1) · electric (1) · fixed-wing (1) · frame (1) · propeller (2) · safety (1) · slip (1) · stability (1) · transmission (1)
Filing date:
1913 (1) · 1916 (1) · 1917 (3) · 1918 (4) · 1920 (1) · 1921 (1)
Full specification filed date:
None (11)
Application number:
None (3) · 12021416 (1) · 15662317 (1) · 16018 (1) · 1913792801 (1) · 19227817 (1) · 20284717 (1) · 23298518 (1) · 23822518 (1)
Grant date:
1920 (3) · 1921 (3) · 1922 (4) · 1923 (1)
Granted:
Yes (11)
Publication date:
None (11)
Supplementary to patent:
None (10) · Patent GB-1918-117570 (1)
Related to aircraft:
None (1) · 1 (10)
Patent agent:
Frantz and Richards (1) · Greish (1) · Henry Lucke (1) · John P. Tarbox (2) · Joseph F. O'Brien (1) · Munn & Co. (1) · N. S. Amstutz (1) · None (1) · Tethers & Taylor? (1) · William Wallace White (1)
Assigned to:
None (9) · Aircraft Propeller Corp. (1) · Charles B. Mann (1) · Charles B. Mann Jr. (1)
National tech categories:
None (9) · USPC 244/118.5 (1) · USPC 464/60 (1)
IPCs:
IPC B64C1/30 (1) · IPC B64C11/04 (2) · IPC B64C11/16 (1) · IPC B64C13/00 (1) · IPC B64C27/04 (1) · IPC B64C3/18 (1) · IPC B64C3/56 (1) · IPC B64C33/02 (1) · IPC B64D45/00 (1) · IPC B65D83/04 (1) · IPC F16D 3/50 (1) · IPC F16D3/72 (1)
CPCs:
CPC B64C1/30 (1) · CPC B64C11/04 (2) · CPC B64C11/16 (1) · CPC B64C13/00 (1) · CPC B64C27/04 (1) · CPC B64C2700/6256 (1) · CPC B64C2700/6281 (1) · CPC B64C3/187 (1) · CPC B64C3/56 (1) · CPC B64C33/02 (1) · CPC B64D45/00 (1) · CPC B65D2583/0409 (1) · CPC F16D3/72 (1) · CPC Y10S200/08 (1) · CPC Y10T29/49334 (1) · CPC Y10T403/635 (1)
Family year:
1913 (1) · 1916 (1) · 1917 (3) · 1918 (4) · 1920 (1) · 1921 (1)
First filing:
No (1) · Yes (10)
Cites these patents:
None (11)
Citations from after 1930:
3 (7) · 4 (3) · 5 (1)
Number of text pages:
1 (1) · 2 (4) · 3 (6)
Number of claims:
1 - 6 (4) · 6 - 11 (7)
Number of diagram pages:
1 (11)
Number of figures:
2 - 4 (4) · 4 - 9 (7)

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