Drilldown: Patents

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Patents > Grant date: 1920 - 1929 & Number of claims: 3

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Office:
Inventors:
None (15) · Ernst Heinkel (4) · John Edward Thompson (3) · Anton Flettner (2) · Jacob Knappich (2) · Raimund Nimfuehr (2) · Hans Josef Goebbel (2) · Alexander Albert Holle (2)
Inventor country:
Applicant person:
None (17) · Ernst Heinkel (4) · John Edward Thompson (3) · Jacob Knappich (2) · Raimund Nimfuehr (2) · Anton Flettner (2) · Hans Josef Goebbel (2)
Applicant is inventor:
Tech fields:
airplane (30) · design (15) · frame (14) · wings (13) · None (8) · construction (6) · propellers (6) · propulsion (5) · control (5) · fuselage (5) · biplane (5) · stability (4) · subsystem (4) · piloting (4) · motors (4) · military (4) · propeller (4) · airfoil (3) · lift (3)
Full specification filed date:
Application number:
None (25)
Grant date:
Granted:
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Related to aircraft:
CPCs:
None (18) · CPC B64C3/00 (6) · CPC B64C1/00 (3) · CPC B64C11/36 (3) · CPC B64C3/56 (3) · CPC B64C13/00 (3) · CPC B64C2001/0081 (3) · CPC B64C23/005 (2) · CPC B64C2700/6295 (2) · CPC B64C3/26 (2) · CPC B64C2700/6274 (2) · CPC B64C3/385 (2) · CPC B64C2700/6235 (2) · CPC B64C27/04 (2) · CPC B64C39/00 (2) · CPC B64C17/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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