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Patents > National tech categories : DE 77h.5 or GB 4 propel & steer or GB 4 steering

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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) · Ernest Wilson (3) · Gustav Mees (3) · James Grieve Lorrain (3)
Applicant person:
None (125) · Anton Flettner (11) · Ernst Heinkel‎ (9) · Robert Esnault-Pelterie (5) · Claudius Dornier (3) · Gustav Mees (3) · René Arnoux (2) · Anthony Herman Gerard Fokker‎‎ (2) · Jacob Knappich (2) · Hermann Werner (2) · Charles Rudolph Wittemann (2) · Raimund Nimfuehr (2) · Michel Schleiffer (2) · Alfred Julius Boult (2) · Adolphe-François-Joseph Doutre (2)
Applicant is inventor:
Tech fields:
Airplane (111) · frame (66) · propulsion (48) · design (46) · wings (40) · navigation (36) · propeller (34) · stability (33) · construction (28) · control (27) · rudder (25) · subsystem (25) · None (23) · Tragfläche (23) · LTA (20) · biplane (19) · airfoil (15) · whole (15) · marine (13) · fuselage (13)
Full specification filed date:
Application number:
None (205)
Granted:
Supplementary to patent:
None (194) · Patent GB-1885-339 (2) · Patent DE-1921-384750 (2) · Patent DE-1918-388537 (2) · Patent DE-1910-249794 (2) · Patent DE-1904-173378 (2) · Patent FR-1907-373763 (2)
Related to aircraft:
Patent agent:
None (226) · Marks & Clerk (3) · Abel & Imray (2) · W. P. Thompson & Co. (2) · G. F. Redfern & Co. (2) · J. G. Lorrain (2) · Haseltine, Lake & Co. (2) · A. Rohrbach (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (106) · IPC B64C3/00 (27) · IPC B64C13/00 (15) · IPC B64C1/00 (14) · IPC B64C17/00 (12) · IPC B64C3/38 (9) · IPC B64C39/00 (8) · IPC B64C3/18 (6) · IPC B64C9/02 (5) · IPC B64C3/56 (4) · IPC B64C19/00 (4) · IPC B64C1/26 (4)
CPCs:
None (91) · CPC B64C3/00 (28) · CPC B64C13/00 (23) · CPC B64C17/00 (20) · CPC B64C2700/6235 (16) · CPC B64C3/385 (11) · CPC B64C39/00 (6) · CPC B64C9/02 (5) · CPC B64C9/00 (5) · CPC B64C35/00 (4) · CPC B64C31/02 (4) · CPC B64C3/56 (4) · CPC B64C3/52 (4) · CPC B64C2700/6256 (4) · CPC B64C23/005 (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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