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Patents > National tech categories : CH 129b or DE 77h.5 or USPC 114/21.1

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Office:
Inventors:
None (56) · Anton Flettner‎‎ (11) · Ernst Heinkel‎ (9) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (7) · Robert Esnault-Pelterie (5) · Alfred John Macy (4) · Armand Dufaux (4) · Henri Dufaux (4) · Joseph Wetterwald (3) · Gustav Mees (3)
Applicant person:
None (94) · Anton Flettner (11) · Ernst Heinkel (9) · Robert Esnault-Pelterie (5) · Alfred John Macy (4) · Joseph Wetterwald (3) · Claudius Dornier (3) · Gustav Mees (3)
Applicant is inventor:
Tech fields:
airplane (139) · frame (66) · Design (57) · stability (49) · wings (40) · Construction (33) · Control (31) · Tragfläche (28) · None (23) · whole (20) · biplane (20) · navigation (19) · subsystem (19) · propeller (17) · airfoil (17) · automatic stability (17) · fuselage (14) · rudder (13) · propulsion (12) · Lift (11)
Full specification filed date:
Application number:
None (192)
Granted:
Supplementary to patent:
None (175) · Patent US-1908-927605 (2) · Patent FR-1908-393976 (2) · Patent FR-1907-373763 (2) · Patent DE-1921-384750 (2) · Patent DE-1918-388537 (2) · Patent DE-1904-173378 (2) · Patent DE-1910-249794 (2) · Patent US-1913-04-21 George Raymond Lawrence (2)
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (85) · IPC B64C3/00 (26) · IPC B64C13/00 (15) · IPC B64C1/00 (14) · IPC B64C17/00 (12) · IPC B64C39/00 (9) · IPC B64C3/38 (9) · IPC B64C19/00 (8) · IPC B64C3/18 (7) · IPC B64C9/02 (5) · IPC B64C3/56 (5) · IPC B64C1/26 (5) · IPC B64C9/00 (5) · IPC B64C17/04 (4) · IPC B64C11/00 (3) · IPC B64C3/10 (3) · IPC B64C35/00 (3) · IPC B64C3/52 (3)
CPCs:
None (79) · CPC B64C3/00 (28) · CPC B64C13/00 (22) · CPC B64C17/00 (20) · CPC B64C2700/6235 (16) · CPC B64C3/385 (12) · CPC B64C39/00 (6) · CPC B64C9/00 (5) · CPC B64C9/02 (5) · CPC B64C3/18 (5) · CPC B64C3/56 (5) · CPC B64C35/00 (4) · CPC B64C3/52 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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