Drilldown: Patents

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Patents > Year granted: 1920 & Related to aircraft : No or None

Use the filters below to narrow your results.

Year filed:
1915 (4) · 1916 (4) · 1917 (17) · 1918 (56) · 1919 (1)
Year granted:
(There are no values for this filter)
Office:
FR (1) · US (81)
Inventors:
Francis J PLYM (3) · Harris G Hooper (3) · Melville W MIX (2) · Ralph Hazlett UPSON (2) · Douglas DOBBINS (2)
Inventor country:
None (58) · CA (1) · CH (1) · FR (2) · GB (6) · IT (1) · US (14)
Inventor location:
None (81) · Minneapolis, Minnesota (1)
Applicant person:
KAWNEER (4) · None (3) · Harris G Hooper (3) · MIX MELVILLE W (2) · John William Rapp (2) · GOODYEAR TIRE RUBBER (2) · John DAY PREZ (2)
Applicant firm:
None (78) · B.F. Goodrich company (1) · GASPARD LEGROS (1) · Moteurs Salmson (1) · Sperry Gyroscope Company (1)
Applicant type:
None (16) · COMPANY (13) · COMPANY + INDIV (1) · INDIV (52)
Applicant is inventor:
None (1) · No (27) · Yes (54)
Tech fields:
None (81) · control (1)
Filing date:
None (2) · 1915 (4) · 1916 (4) · 1917 (16) · 1918 (55) · 1919 (1)
Full specification filed date:
November 26, 1917 (1)
Application number:
None (3)
Grant date:
October 1919 (1) · January 1920 (4) · February 1920 (4) · March 1920 (8) · April 1920 (7) · May 1920 (7) · June 1920 (9) · July 1920 (4) · August 1920 (8) · September 1920 (4) · October 1920 (12) · November 1920 (3) · December 1920 (8) · January 1921 (1)
Granted:
None (1) · Yes (81)
Publication date:
None (80) · 0 - 99 (1) · 1900 - 1999 (1)
Supplementary to patent:
None (82)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (81) · Meyers . . . (1)
Assigned to:
None (79) · Alois Leutenegger (1) · Fritz Müller (1) · Moteurs Salmson (1) · Sperry Gyroscope Company (1)
National tech categories:
None (79) · FR 6.4 (1) · USPC 244/131 (1) · USPC 403/171 (1) · USPC 403/391 (1)
IPCs:
None (78) · IPC B64C1/100 (1) · IPC B64C13/42 (1) · IPC B64C3/00 (1) · IPC G01C19/38 (1)
CPCs:
CPC B64C23/005 (10) · CPC B64C3/00 (8) · CPC B64C2700/6295 (8) · CPC B64C39/00 (7) · CPC B64C2700/6274 (6) · CPC B64C2700/6233 (6) · CPC B62C5/04 (5) · CPC B64C3/18 (3) · CPC B64C2700/6271 (3) · CPC B64C33/00 (3) · CPC B64C17/00 (3)
Family year:
None (3) · 100 - 199 (1) · 1900 - 1999 (78)
First filing:
None (1) · No (6) · Yes (75)
Cites these patents:
None (82)
Citations from after 1930:
None (82)
Number of text pages:
None (76) · 2 (2) · 3 (1) · 4 (1) · 44,321,317 (1) · 44,346,018 (1)
Number of claims:
None (79) · 5 (1) · 11 (1) · 20 (1)
Number of diagram pages:
None (78) · 1 (1) · 4 (2) · 5 (1)
Number of figures:
None (78) · 4 (1) · 6 (1) · 7 (1) · 9 (1)

Showing below up to 82 results in range #1 to #82.

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