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Patents > Year granted: 1911 & National tech categories: FR 6.4

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Tech fields:
airplane (185) · stability (99) · design (88) · wings (51) · construction (51) · None (50) · Frame (50) · LTA (48) · propellers (40) · Aerodynamics (40) · control (35) · propulsion (31) · automatic stability (29) · subsystem (29) · landing (26) · lift (26) · wheels (24) · hybrid (21) · Chassis (20) · sustentation (19)
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Supplementary to patent:
None (282) · Patent FR-1909-420322 (6) · Patent FR-1907-373818 (3) · Patent BE-1909-219837 (2) · Patent FR-1911-429078 (2) · Patent FR-1910-429307 (2) · Patent FR-1910-427818 (2) · Patent FR-1910-423998 (2) · Patent FR-1910-417989 (2) · Patent FR-1910-414004 (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1910-420958 (2)
Related to aircraft:
Patent agent:
None (51) · Armengaud jeune (41) · None (27) · J. Bonnet-Thirion (23) · E. Blétry (18) · L. Chassevent (16) · Boramé et Julien (12) · Hippolyte Josse (11) · G. Petiau (11) · P. Follin (10) · Dupont et Elluin (9) · H. Bœttcher fils (9) · Charles Dony (8) · Rigot et Prévost (8) · J. Germain (8) · G. de Mestral et F. Harle (7) · Weismann et Marx (7) · Schwab (7) · de Bongé (7) · C. Blétry (7)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C17/00 (85) · IPC B64C1/00 (72) · IPC B64C39/00 (48) · IPC B64B1/00 (20) · None (20) · IPC B64C23/00 (16) · IPC B64C3/38 (15) · IPC B64C3/00 (15) · IPC B64B1/58 (15) · IPC B64C11/00 (12) · IPC B64C17/06 (12) · IPC B64C25/00 (12) · IPC B64C33/02 (10) · IPC B64C13/00 (8) · IPC B64C3/54 (6) · IPC B64C35/00 (5) · IPC B64C3/52 (5) · IPC B64C33/00 (5)
CPCs:
CPC B64C17/00 (91) · CPC B64C39/00 (39) · CPC B64C2700/6218 (33) · CPC B64C2700/6295 (25) · CPC B64C2700/6212 (22) · CPC B64B1/00 (18) · CPC B64C23/005 (16) · CPC B64C1/00 (15) · CPC B64B1/58 (15) · CPC B64C3/00 (15) · CPC B64C17/06 (12) · CPC B64C2700/6214 (12) · CPC B64C2700/6274 (12) · CPC B64C33/02 (12) · CPC B64C3/385 (12) · CPC B64C13/00 (11) · CPC B64C25/06 (10) · CPC B64C2700/6228 (9) · CPC B64F2700/6226 (9)
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