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Patents > National tech categories : 244/87 or DE 77h.5 or USPC 244/30

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Office:
Inventors:
None (55) · Anton Flettner (11) · Ernst Heinkel (9) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (7) · Robert Esnault-Pelterie (5) · Gustav Mees (3)
Inventor country:
Applicant person:
None (83) · Anton Flettner (11) · Ernst Heinkel (9) · Robert Esnault-Pelterie (5) · Gustav Mees (3) · Claudius Dornier (3) · Raimund Nimfuehr (2) · Michel Schleiffer (2) · Anthony Herman Gerard Fokker (2) · Hermann Werner (2) · Charles Rudolph Wittemann (2) · Eugene F. Falconnet (2) · Jacob Knappich (2) · Ernst Bucher (2) · Albert Livingstone Blackman (2) · Adolphe-François-Joseph Doutre (2) · René Arnoux (2)
Applicant is inventor:
Tech fields:
airplane (108) · frame (69) · LTA (53) · design (42) · wings (34) · navigation (34) · None (31) · stability (31) · construction (27) · propulsion (27) · control (26) · propeller (23) · Tragfläche (23) · biplane (18) · rudder (18) · airfoil (16) · car (15) · balloon (15) · safety (13) · fuselage (13)
Full specification filed date:
Application number:
None (160)
Granted:
Supplementary to patent:
None (196) · Patent DE-1910-249794 (2) · Patent DE-1904-173378 (2) · Patent DE-1918-388537 (2) · Patent DE-1921-384750 (2) · Patent FR-1907-373763 (2)
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (63) · IPC B64B1/00 (37) · IPC B64C3/00 (27) · IPC B64C13/00 (15) · IPC B64C1/00 (14) · IPC B64C17/00 (12) · IPC B64C39/00 (9) · IPC B64C3/38 (9) · IPC B64C3/18 (6) · IPC B64C9/02 (5) · IPC B64C3/56 (4) · IPC B64C1/26 (4) · IPC B64C19/00 (4) · IPC B64C17/04 (3) · IPC B64C3/52 (3) · IPC B64C11/00 (3) · IPC B64C9/00 (3) · IPC B64C3/10 (3) · IPC B64C31/02 (3) · IPC B64C35/00 (3)
CPCs:
CPC B64B1/00 (61) · CPC B64C3/00 (28) · None (23) · CPC B64C13/00 (22) · CPC B64C17/00 (20) · CPC B64C2700/6235 (16) · CPC B64C3/385 (11) · CPC B64C9/00 (6) · CPC B64C39/00 (6) · CPC B64C9/02 (5) · CPC B64C35/00 (4) · CPC B64C3/18 (4) · CPC B64C3/52 (4) · CPC B64C31/02 (4) · CPC B64C3/56 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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