Drilldown: Patents

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Patents > Inventor country: GB & Supplementary to patent : Patent FR-1908-389993 or Patent GB-1909-8531

Use the filters below to narrow your results.

Year filed:
1909 (2) · 1910 (6) · 1913 (1)
Year granted:
1910 (3) · 1911 (1) · 1913 (3) · 1915 (2)
Office:
CA (1) · DE (1) · FR (1) · GB (4) · HU (1) · US (1)
Inventors:
Sam Leonard Walkden‎‎ (9)
Inventor country: (Click arrow to add another value)
Applicant person:
Sam Leonard Walkden‎‎ (9)
Applicant firm:
None (9)
Applicant type:
INDIV (9)
Applicant is inventor:
Yes (9)
Tech fields:
Aerodynamics (5) · Airplane (8) · automatic stability (8) · Control (2) · Design (5) · Equilibrium (2) · Frame (2) · Gliders (7) · Lift (1) · Propellers (4) · Rudder (1) · Stability (7) · Subsystem (7) · Sustentation (1) · Whole (1) · Wing warping (1) · Wings (2)
Filing date:
1909 (2) · 1910 (6) · 1913 (1)
Full specification filed date:
None (6) · 1909 (2) · 1913 (1)
Application number:
None (4) · 191006051D (1) · 1910551954 (1) · 191303848D (1) · 414994D (1) · 61414 (1)
Grant date:
1910 (3) · 1911 (1) · 1913 (2) · 1914 (1) · 1915 (2)
Granted:
Yes (9)
Publication date:
None (2) · 1910 (3) · 1913 (2) · 1914 (1) · 1915 (1)
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Yes (9)
Patent agent:
None (4) · Abel & Imray‎ (4) · J. Fayollet (1)
Assigned to:
None (9)
National tech categories:
None (5) · DE 77h.5 (1) · FR 6.4 (1) · HU V/h (1) · USPC 244/79 (1)
IPCs:
None (4) · CPC B64C1/00 (1) · CPC B64C17/00 (1) · IPC B64C1/00 (3) · IPC B64C17/00 (3) · IPC B64C3/54 (1)
CPCs:
None (2) · CPC B64C 17/00 (1) · CPC B64C13/24 (1) · CPC B64C17/00 (4) · CPC B64C2700/6218 (2) · CPC B64C2700/6246 (1) · CPC B64C9/18 (1)
Family year:
(There are no values for this filter)
First filing:
No (8) · Yes (1)
Cites these patents:
None (9)
Citations from after 1930:
None (9)
Number of text pages:
None (2) · 1 - 3 (2) · 3 - 30 (5)
Number of claims:
None (2) · 1 - 9 (2) · 9 - 30 (5)
Number of diagram pages:
None (2) · 1 (5) · 2 (1) · 8 (1)
Number of figures:
None (2) · 1 (1) · 2 (1) · 6 (3) · 7 (1) · 9 (1)

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