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Patents > Tech fields : frame or hybrid & National tech categories: FR 6.4

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None (274) · Patent FR-1907-373818 (10) · Patent FR-1909-410140 (4) · Patent FR-1908-407090 (4) · Patent FR-1915-478440 (3) · Patent FR-1909-411204 (3)
Related to aircraft:
Patent agent:
Armengaud jeune (73) · None (67) · None (25) · Weismann et Marx (19) · G. de Mestral et F. Harlé (18) · Charles Dony (15) · J. Germain (15) · Dupont et Elluin (14) · Lavoix et Mosès (14) · J. Bonnet-Thirion (11) · L. Chassevent (10) · Boramé et Julien (9) · Schwab (8) · Hippolyte Josse (7) · E. Blétry (7) · Gaston Rose (7) · H. Bœttcher fils (7) · M. Zerolo (7) · Brandon frères (7)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64B1/00 (60) · IPC B64C39/00 (58) · IPC B64C23/00 (31) · IPC B64C1/00 (31) · IPC B64C17/00 (29) · IPC B64C3/00 (26) · IPC B64B1/58 (25) · IPC B64C25/00 (25) · None (22) · IPC B64C35/00 (20) · IPC B64C27/04 (15) · IPC B64C33/02 (14) · IPC B64C3/18 (11) · IPC B64C3/38 (11) · IPC B64C3/56 (8) · IPC B64C3/54 (8) · IPC B64C31/04 (7) · IPC B64C3/48 (7) · IPC B64C13/00 (7)
CPCs:
CPC B64B1/00 (59) · CPC B64C39/00 (54) · CPC B64C2700/6295 (41) · CPC B64C23/005 (32) · CPC B64C17/00 (29) · CPC B64C3/00 (27) · CPC B64B1/58 (24) · CPC B64C25/06 (19) · CPC B64C2700/6274 (18) · CPC B64C35/00 (17) · CPC B64C33/02 (16) · CPC B64C25/62 (13) · CPC B64C27/04 (12) · CPC B64F2700/6226 (12) · CPC B64C2700/6218 (12) · CPC B64C2700/6233 (11) · CPC B64C1/00 (11) · CPC B64C3/385 (11)
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