Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & National tech categories : DE 77h.9 or IT 8

Use the filters below to narrow your results.

Year filed:
1912 (1) · 1913 (2) · 1914 (2) · 1915 (2) · 1916 (1) · 1917 (1) · 1918 (5) · 1919 (1) · 1921 (1) · 1922 (1)
Year granted:
1920 (10) · 1921 (4) · 1923 (2) · 1924 (1)
Office:
DE (17)
Inventors:
None (8) · Charles Denniston Burney (1) · Christian Kolbe (1) · Claudius Dornier (1) · Edward R. Butler (1) · Ernst Heinkel (2) · Eugène-Pierre-Marc Verdon (1) · Henri Fabre (1) · Hermann Werner (1)
Inventor country:
None (1) · DE (13) · FR (2) · GB (1) · IT (1)
Inventor location:
None (16) · Lindau (1)
Applicant person:
None (8) · Charles Denniston Burney (1) · Christian Kolbe (1) · Claudius Dornier (1) · Edward R. Butler (1) · Ernst Heinkel (2) · Eugène-Pierre-Marc Verdon (1) · Henri Fabre (1) · Hermann Werner (1)
Applicant firm:
None (7) · British and Colonial Aeroplane Co. (1) · Eisenführ & Co. (1) · Luft Fahrzeug G.m.b.H. (1) · Luft Verkehrs GmbH (1) · Otwi-Werke m.b.H. (3) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (1) · Siemens-Schuckert-Werke G.m.b.H. (1) · Zeppelinwerk Lindau (1)
Applicant type:
COMPANY (6) · COMPANY+INDIV (2) · INDIV (9)
Applicant is inventor:
None (1) · No (7) · Yes (9)
Tech fields:
None (2) · aerodynamics (1) · airplane (4) · buoyancy (2) · chassis (5) · construction (1) · design (2) · frame (4) · Hydro-aeroplane (1) · hydroaeroplane (3) · hydroaeroplanes (1) · landing (2) · landing gear (2) · marine (1) · seaplane (1) · skids (1) · suspension (1) · takeoff (1) · undercarriage (3) · wheels (1)
Filing date:
1912 (1) · 1913 (2) · 1914 (2) · 1915 (2) · 1916 (1) · 1917 (1) · 1918 (5) · 1919 (1) · 1921 (1) · 1922 (1)
Full specification filed date:
None (17)
Application number:
None (4) · 320412D (1) · 321151D (1) · 322183D (1) · 322382D (1) · 322530D (1) · 324773D (1) · 328804D (1) · 330013D (1) · 333473D (1) · 333525D (1) · 337048D (1) · 343305D (1) · Z0010226 (1)
Grant date:
None (1) · 1920 (9) · 1921 (4) · 1923 (2) · 1924 (1)
Granted:
Yes (17)
Publication date:
None (11) · 1920 (3) · 1921 (1) · 1923 (1) · 1924 (1)
Supplementary to patent:
None (14) · Patent FR-1912-455471 (1) · Patent FR-1913-461055 (1) · Patent IT-1913-07-21 Edward R. Butler (1)
Related to aircraft:
1 (14) · Yes (3)
Patent agent:
None (17)
Assigned to:
None (17)
National tech categories: (Click arrow to add another value)
IPCs:
None (1) · IPC B64C25/00 (3) · IPC B64C25/58 (1) · IPC B64C25/62 (3) · IPC B64C25/66 (2) · IPC B64C35/00 (8)
CPCs:
CPC B64C25/00 (1) · CPC B64C25/06 (2) · CPC B64C25/36 (1) · CPC B64C25/58 (1) · CPC B64C25/62 (5) · CPC B64C25/66 (1) · CPC B64C35/00 (6) · CPC B64C35/008 (2) · CPC B64F2700/6226 (3) · CPC B64F2700/6242 (1) · CPC B64F2700/6261 (4) · CPC B64F2700/6288 (1) · IPC B64C35/00 (1)
Family year:
None (1) · 1912 (2) · 1913 (2) · 1914 (1) · 1915 (2) · 1916 (1) · 1917 (1) · 1918 (5) · 1921 (1) · 1922 (1)
First filing:
None (1) · No (5) · Yes (11)
Cites these patents:
None (17)
Citations from after 1930:
None (17)
Number of text pages:
1 (1) · 2 (13) · 3 (3)
Number of claims:
None (1) · 1 (5) · 2 (8) · 3 (1) · 4 (2)
Number of diagram pages:
1 (14) · 2 (3)
Number of figures:
1 (1) · 2 (6) · 3 (6) · 4 (2) · 5 (2)

Showing below up to 17 results in range #1 to #17.

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