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Patents > National tech categories : FR 6.4 or USPC 244/52 & IPCs: None

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Office:
Inventors:
None (6) · Oswald François Leopold Keun (5) · Prosper Meller (4) · l'abbé Jean-Martin Demongeot (4) · Wilhelm Jacob Hoffmann (2) · Henri Blanc (2) · Modeste-Abel Latouche (2) · Louis Coutant Badeau (2) · Charles P. Fest (2) · Eugène-Louis-Jules DE FRESNE (2) · Robert Esnault-Pelterie (2) · Marc (2) · Theodore Kornbrodt (2) · Société Industrielle Suisse (2)
Inventor country:
Applicant person:
None (49) · l'abbé Jean-Martin Demongeot (4) · Meller (the younger) (4) · Robert Esnault-Pelterie (2) · Charles P. Fest (2) · Theodore Kornbrodt (2) · Henri Blanc (2) · Louis Coutant Badeau (2)
Applicant is inventor:
Tech fields:
airplane (47) · LTA (39) · navigation (34) · stability (27) · None (26) · frame (23) · propulsion (19) · propeller (14) · design (14) · airfoil (9) · control (8) · safety (8) · wings (8) · propellers (7) · construction (7) · whole (7) · piloting (7) · steering (7)
Full specification filed date:
Application number:
None (60)
Granted:
Publication date:
Supplementary to patent:
None (113) · Patent FR-1836-5429 (3) · Patent FR-1850-10514 (2) · Patent FR-1910-415046 (2)
Related to aircraft:
Patent agent:
None (75) · Armengaud jeune (8) · E. Blétry (4) · Charles Dony (4) · Boramé et Julien (4) · Charles Assi (4) · J. Germain (3) · G. Petiau (3) · Chassevent (3) · None (3) · 0 (3)
National tech categories: (Click arrow to add another value)
IPCs: (Click arrow to add another value)
CPCs:
None (63) · CPC B64C17/00 (16) · CPC B64C9/38 (13) · CPC B64C33/02 (10) · CPC B64C39/00 (10) · CPC B64C2700/6295 (10) · CPC B64C2700/6218 (9) · CPC B64C11/006 (6) · CPC B64C3/54 (4) · CPC B64C3/385 (4) · CPC B64C23/005 (4) · CPC B64C2700/6245 (3) · CPC B64C3/52 (3) · CPC B64C13/00 (3) · CPC B64C2700/6274 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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