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Patents > Tech fields : design or propeller & National tech categories: FR 6.4 & First filing: No

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None (118) · Patent FR-1908-405961 (5) · Patent FR-1909-410140 (4) · Patent GB-1911-29012 (4) · Patent FR-1908-407090 (4) · Patent FR-1907-373818 (4) · Patent FR-1912-452017 (3) · Patent FR-1911-431428 (3) · Patent FR-1909-403418 (3) · Patent ES-1906-38692 (3) · Patent FR-1907-382794 (3)
Related to aircraft:
Patent agent:
None (58) · Armengaud jeune (58) · E. Blétry (13) · J. Bonnet-Thirion (12) · None (11) · Brandon frères (10) · Charles Dony (9) · Dupont et Elluin (9) · G. de Mestral et F. Harlé (9) · L. Chassevent (8) · J. Germain (7) · Hippolyte Josse (7) · Gaston Rose (7) · Lavoix et Mosès (7) · Schwab (7) · Weismann et Marx (7) · Ch. Mardelet (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (56) · IPC B64C17/00 (38) · IPC B64C1/00 (38) · IPC B64C35/00 (19) · IPC B64C23/00 (18) · IPC B64B1/00 (16) · IPC B64C3/38 (15) · IPC B64C25/00 (14) · IPC B64C11/00 (14) · IPC B64C33/02 (11) · None (11) · IPC B64C3/00 (9) · IPC B64C27/04 (8) · IPC B64C13/00 (7) · IPC B64C3/54 (7) · IPC B64C3/18 (7) · IPC B64C3/48 (7) · IPC B64C3/52 (7) · IPC B64B1/58 (6) · IPC B64C11/16 (6)
CPCs:
CPC B64C39/00 (51) · CPC B64C2700/6295 (44) · CPC B64C17/00 (38) · CPC B64C23/005 (20) · CPC B64C2700/6218 (18) · CPC B64B1/00 (16) · CPC B64C3/385 (14) · CPC B64C2700/6274 (14) · CPC B64C33/02 (12) · CPC B64C35/00 (11) · CPC B64F2700/6226 (10) · CPC B64C3/00 (9) · CPC B64C1/00 (9) · CPC B64C13/00 (8) · CPC B64C27/04 (8) · CPC B64C25/06 (8)
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