Drilldown: Patents

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Patents > Applicant is inventor: Yes & Grant date: 1920 - 1929 & Patent agent: None

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Office:
Inventors:
None (22) · Ernst Heinkel (11) · James Vernon Martin (7) · Jakob Haw (7) · Pierre-Jean-René Postel-Vinay (5) · Anton Flettner (5) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Christian Lorenzen (4) · Robert-Jules-Marie-Antoine Desmons (4)
Inventor country:
Applicant person:
None (32) · Ernst Heinkel (11) · James Vernon Martin (7) · Jakob Haw (6) · Claudius Dornier (5) · Pierre-Jean-René Postel-Vinay (5) · Anton Flettner (5) · Robert-Jules-Marie-Antoine Desmons (4)
Applicant is inventor: (Click arrow to add another value)
Tech fields:
None (114) · airplane (75) · frame (44) · wings (38) · design (37) · construction (37) · propellers (29) · aerodynamics (17) · fuselage (17) · propeller (16) · control (15) · subsystem (15) · propulsion (13) · stability (12) · biplane (10) · LTA (9) · lift (8) · safety (7) · chassis (7) · rudder (7)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (258) · Patent DE-1921-384750 (2) · Patent DE-1916-332540 (2) · Patent FR-1912-455471 (2)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (142) · DE 77h.5 (51) · HU V/h (25) · DE 77h.6 (15) · DE 77h.9 (12) · NL 62 (7) · AT 77d (7) · FR 6.4 (7) · DE 77h.7 (6) · RU 62b (3) · NL 62.7 (3) · NL 62.6 (3) · DE 77h.4 (3)
IPCs:
None (165) · IPC B64C3/00 (23) · IPC B64C13/00 (11) · IPC B64C35/00 (9) · IPC B64C1/00 (8) · IPC B64C3/18 (7) · IPC B64C17/00 (7) · IPC B64C11/20 (6) · IPC B64C11/00 (5) · IPC B64C1/06 (5) · IPC B64C9/02 (5) · IPC B64C25/00 (4) · IPC B64C27/04 (4) · IPC CPC B64C13/00 (3) · IPC B64C3/14 (3) · IPC B64C1/26 (3) · IPC B64C11/04 (3) · IPC B64B1/00 (3) · IPC B64C3/56 (3)
CPCs:
None (55) · CPC B64C3/00 (26) · CPC B64C13/00 (18) · CPC B64C17/00 (15) · CPC B64C2700/6235 (11) · CPC B64C35/00 (10) · CPC B64C11/20 (9) · CPC B64C2700/6295 (9) · CPC B64C2700/6256 (9) · CPC B64C2700/6233 (9) · CPC B64C3/18 (7) · CPC B64C2700/6212 (7) · CPC B64C2001/0081 (7) · CPC B64C2001/0063 (7) · CPC B64C39/00 (7) · CPC B64F2700/6226 (6) · CPC B64C9/02 (6) · CPC B64C11/04 (6)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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