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Patents > National tech categories : DE 77h.5 or USPC 114/21.1 or USPC 244/22

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Office:
Inventors:
None (51) · Anton Flettner (11) · Ernst Heinkel (7) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (7) · Robert Esnault-Pelterie (5) · Gustav Mees (3)
Inventor country:
Applicant person:
None (75) · Anton Flettner (11) · Ernst Heinkel (7) · Robert Esnault-Pelterie (5) · Gustav Mees (3) · Claudius Dornier (3) · John Emery Harriman, Jr. (2) · Julius Uherkovich de Uherkócz (2) · Karl Ludwig Waldemar Geest (2) · Michel Schleiffer (2) · Bartholomew Connolly (2) · Raimund Nimfuehr (2) · Charles Rudolph Wittemann (2) · Charles I. Matson (2) · Hermann Werner (2) · René Arnoux (2) · Ruter William Springer (2) · Jacob Knappich (2) · Anthony Herman Gerard Fokker (2) · Adolphe-François-Joseph Doutre (2)
Applicant firm:
Applicant is inventor:
Tech fields:
Full specification filed date:
Application number:
None (136)
Granted:
Publication date:
Supplementary to patent:
None (197) · Patent FR-1907-373763 (2) · Patent DE-1918-388537 (2) · Patent DE-1904-173378 (2) · Patent DE-1921-384750 (2) · Patent DE-1910-249794 (2)
Related to aircraft:
Patent agent:
None (201) · Munn & Co. (7) · C. A. Snow & Co. (4) · None (3) · A. Rohrbach (2) · Frederick Benjamin (2) · Foster, Freeman, Watson & Coit (2) · F. N. Gillent (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (88) · IPC B64C3/00 (24) · IPC B64C13/00 (15) · IPC B64C33/00 (14) · IPC B64C1/00 (14) · IPC B64C17/00 (12) · IPC B64C39/00 (10) · IPC B64C3/38 (9) · IPC B64C33/02 (8) · IPC B64C3/18 (5) · IPC B64C9/02 (4) · IPC B64C1/26 (4) · IPC B64C9/00 (4)
CPCs:
CPC B64C33/02 (66) · CPC B64C3/00 (25) · None (22) · CPC B64C13/00 (22) · CPC B64C17/00 (18) · CPC B64C2700/6235 (14) · CPC B64C3/385 (11) · CPC B64C39/00 (7) · CPC B64C33/00 (6) · CPC B64C3/52 (4) · CPC B64C3/18 (4) · CPC B64C35/00 (4) · CPC B64C31/02 (4) · CPC B64C3/56 (4) · CPC B64C9/00 (4) · CPC B64C9/02 (4) · CPC B64C2700/6256 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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