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Patents > National tech categories : DE 77h.5 or GB 4 steering or USPC 244/22

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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)
Applicant person:
None (84) · Anton Flettner (11) · Ernst Heinkel‎ (9) · Robert Esnault-Pelterie (5) · Gustav Mees (3) · Claudius Dornier (3) · Bartholomew Connolly (2) · MATSON Charles I (2) · Raimund Nimfuehr (2) · Julius Uherkovich de Uherkócz (2) · René Arnoux (2) · Charles Rudolph Wittemann (2) · Ruter William Springer (2) · Michel Schleiffer (2) · Jacob Knappich (2) · Anthony Herman Gerard Fokker‎‎ (2) · Adolphe-François-Joseph Doutre (2) · John Emery Harriman, Jr. (2) · Hermann Werner (2)
Applicant is inventor:
Tech fields:
Airplane (115) · frame (76) · design (43) · None (40) · wings (40) · stability (33) · propulsion (31) · flapping (30) · Navigation (28) · construction (27) · control (27) · ornithopter (23) · Tragfläche (23) · propeller (22) · rudder (20) · airfoil (20) · biplane (19) · subsystem (14) · hybrid (13) · fuselage (13)
Full specification filed date:
Application number:
None (143)
Granted:
Publication date:
Supplementary to patent:
None (211) · 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:
Patent agent:
None (224) · Munn & Co. (5) · C. A. Snow & Co. (3) · A. Rohrbach (2) · F. N. Gillent (2) · None (2) · Marks & Clerk (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (93) · IPC B64C3/00 (27) · IPC B64C13/00 (15) · IPC B64C1/00 (14) · IPC B64C33/00 (14) · IPC B64C17/00 (12) · IPC B64C33/02 (9) · IPC B64C39/00 (9) · IPC B64C3/38 (9) · IPC B64C3/18 (6) · IPC B64C9/02 (5) · IPC B64C19/00 (4) · IPC B64C1/26 (4) · IPC B64C3/56 (4)
CPCs:
CPC B64C33/02 (71) · CPC B64C3/00 (28) · None (24) · CPC B64C13/00 (23) · CPC B64C17/00 (20) · CPC B64C2700/6235 (16) · CPC B64C3/385 (11) · CPC B64C39/00 (6) · CPC B64C33/00 (6) · CPC B64C9/02 (5) · CPC B64C9/00 (5) · CPC B64C2700/6256 (5) · CPC B64C3/52 (4) · CPC B64C35/00 (4) · CPC B64C31/02 (4) · CPC B64C3/56 (4) · CPC B64C3/18 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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