Drilldown: Patents

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Patents > National tech categories : DE 77h.6 or FR 11.2 & Family year: 1918

Use the filters below to narrow your results.

Year filed:
(There are no values for this filter)
Year granted:
None (1) · 1918 (1) · 1920 (6) · 1921 (1) · 1922 (1) · 1924 (1)
Office:
DE (10) · FR (1)
Inventors:
None (4) · Christian Lorenzen (2) · Erwin Wesnigk (1) · Georges-Marie-Prosper-Raymond Fleury (1) · Hellmuth Hirth (1) · Konrad R. Ritter (1) · Rudolf Wagner (1)
Inventor country:
DE (8) · FR (1) · GB (2)
Inventor location:
None (7) · Berlin (2) · Hamburg (1) · Leipzig (1) · Leipzig-Schönefeld (1)
Applicant person:
None (4) · Christian Lorenzen (2) · Erwin Wesnigk (1) · Georges-Marie-Prosper-Raymond Fleury (1) · Hellmuth Hirth (1) · Konrad R. Ritter (1) · Rudolf Wagner (1)
Applicant firm:
None (7) · Helix Propeller G.m.b.H. (3) · Mercur Flugzeugbau (1)
Applicant type:
None (1) · COMPANY (4) · INDIV (6)
Applicant is inventor:
None (1) · No (2) · Yes (8)
Tech fields:
aiming (1) · airplane (1) · ascension (1) · metal (1) · metallurgy (1) · military (1) · projectile (1) · propeller (7) · propellers (2) · subsystem (2) · transmission of mechanical power (1) · wing (1)
Filing date:
January 1917 (1) · January 1918 (1) · February 1918 (1) · March 1918 (2) · April 1918 (3) · June 1918 (1) · August 1918 (1) · September 1918 (1)
Full specification filed date:
None (11)
Application number:
None (1) · 320732D (1) · 320985D (1) · 326211D (1) · 327778D (1) · 328802D (1) · 341426D (1) · 347577D (1) · 352425D (1) · H0080257 (1) · R0045666 (1)
Grant date:
None (1) · 1918 (1) · 1920 (6) · 1921 (1) · 1922 (1) · 1924 (1)
Granted:
Yes (11)
Publication date:
None (7) · 1920 (1) · 1921 (1) · 1922 (1) · 1923 (1)
Supplementary to patent:
None (11)
Related to aircraft:
0.5 (1) · 1 (7) · Yes (3)
Patent agent:
None (10) · Boramé et Julien (1)
Assigned to:
None (11)
National tech categories: (Click arrow to add another value)
IPCs:
None (2) · IPC B64C11/00 (2) · IPC B64C11/04 (2) · IPC B64C11/06 (1) · IPC B64C11/24 (1) · IPC B64C11/34 (2) · IPC B64C11/36 (1) · IPC B64C27/02 (1) · IPC F42B10/06 (1) · IPC F42B30/08 (1) · IPC F42C17/00 (1) · IPC F42C9/12 (1)
CPCs:
CPC B64C11/00 (2) · CPC B64C11/04 (4) · CPC B64C11/065 (1) · CPC B64C11/24 (1) · CPC B64C11/346 (2) · CPC B64C11/36 (1) · CPC B64C27/02 (1) · CPC B64D2700/62701 (1) · CPC F42B10/06 (1) · CPC F42B30/08 (1) · CPC F42C17/00 (1) · CPC F42C9/12 (1)
Family year:
(There are no values for this filter)
First filing:
None (1) · No (3) · Yes (7)
Cites these patents:
None (11)
Citations from after 1930:
None (11)
Number of text pages:
2 (8) · 3 (2) · 4 (1)
Number of claims:
None (1) · 2 - 3 (2) · 3 - 11 (8)
Number of diagram pages:
1 (10) · 2 (1)
Number of figures:
1 (3) · 2 (3) · 3 (3) · 4 (1) · 7 (1)

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