Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & CPCs : CPC B64C2700/6256 or CPC B64C2700/6295

Use the filters below to narrow your results.

Year filed:
1912 (1) · 1915 (2) · 1916 (7) · 1917 (12) · 1918 (32)
Year granted:
1920 (35) · 1921 (13) · 1922 (4) · 1923 (2)
Office:
DE (4) · FR (15) · GB (7) · US (28)
Inventors:
None (11) · Louis Blériot (3) · Charles Rudolph Wittemann (2) · Henry O. Watts (2)
Inventor country:
None (18) · CH (1) · DE (1) · FR (12) · GB (6) · IT (1) · US (15)
Applicant person:
None (7) · Louis Blériot (3) · HANRIOT (3) · Charles Rudolph Wittemann (2) · Henry O. Watts (2) · Chessborough Mackenzie-Kennedy (2)
Applicant firm:
None (47) · Curtiss Aeroplane (2) · Société Anonyme des Établissements Nieuport (1) · Société des Avions Louis Bréguet (1) · Tarbox Safety Aircraft Company (1) · Vickers (1) · Westinghouse (1)
Applicant type:
None (5) · COMPANY (12) · COMPANY + INDIV (1) · COMPANY+INDIV (1) · INDIV (36)
Applicant is inventor:
No (19) · Yes (35)
Tech fields:
None (36) · aerodynamics (2) · aileron (2) · airplane (7) · automatic stability (1) · balancing (1) · biplanes (1) · cargo (1) · chassis (2) · construction (1) · control (5) · design (2) · frame (4) · fuselage (2) · landing (1) · lift (1) · method (1) · motors (2) · navigation (2) · ornithopter (1) · piloting (1) · propellers (2) · propulsion (1) · rudder (2) · speed (1) · stability (1) · steering (3) · subsystem (3) · sustentation (1) · tail (1) · weight (1) · wheels (1) · whole (2) · wing arrangement (1) · wing warping (1) · wings (3)
Filing date:
1912 (1) · 1915 (2) · 1916 (7) · 1917 (12) · 1918 (31) · 1920 (1)
Full specification filed date:
April 30, 1917 (1)
Application number:
Grant date:
1920 (35) · 1921 (13) · 1922 (4) · 1923 (2)
Granted:
Yes (54)
Publication date:
June 1920 (3) · September 1920 (1) · August 1921 (1) · November 1921 (1) · January 1922 (1)
Supplementary to patent:
None (49) · Patent FR-1908-400578 (1) · Patent FR-1916-502839 (2) · Patent FR-1917-502839.21604 (1) · Patent GB-1911-04-28 Belton Tattnall Hamilton (1) · Patent IT-1916-08-29 Castagneris (1)
Related to aircraft:
None (17) · 1 (28) · Yes (9)
Patent agent:
None (42) · Dom. Casalonga (1) · Dupont et Elluin (1) · F. W. Barker (1) · George Barker & Brettell (1) · Gerry S. Webster (1) · J. Germain (1) · John P. Tarbox (1) · M. Zerolo (1) · Marks & Clerk (1) · Paul Blum (1) · Thomas L. Wilder (1) · Weismann et Marx (1)
Assigned to:
None (54)
National tech categories:
None (40) · DE 77h Group 5 (1) · DE 77h.5 (3) · FR 6.4 (5) · USP 244/231 (1) · USPC 244/22 (1) · USPC 244/221 (1) · USPC 244/231 (1) · USPC 244/234 (1) · USPC 244/87 (1) · USPC 244/90R (2)
IPCs:
None (35) · IPC B64C13/00 (12) · IPC B64C3/50 (1) · IPC B64C39/00 (5) · IPC CPC B64C13/00 (2)
CPCs: (Click arrow to add another value)
Family year:
1908 (1) · 1911 (1) · 1915 (1) · 1916 (10) · 1917 (13) · 1918 (28)
First filing:
No (11) · Yes (43)
Cites these patents:
None (53) · Patent US-1916-1195290 (1) · serial number 97533 (1)
Citations from after 1930:
None (4) · 2 (1) · 3 (1)
Number of text pages:
None (35) · 2 (7) · 3 (8) · 5 (3) · 7 (1)
Number of claims:
None (38) · 1 - 3 (4) · 3 - 5 (2) · 5 - 13 (10)
Number of diagram pages:
None (35) · 1 - 3 (12) · 3 - 6 (7)
Number of figures:
None (35) · 1 - 2 (2) · 2 - 3 (2) · 3 - 6 (8) · 6 - 30 (7)

Showing below up to 54 results in range #1 to #54.

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