Drilldown: Patents

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Patents > Tech fields : design or hybrid or lift & Supplementary to patent: None & National tech categories: FR 6.4

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None (73) · Armengaud jeune (65) · None (24) · E. Blétry (13) · Charles Dony (13) · Hippolyte Josse (11) · L. Chassevent (11) · Weismann et Marx (11) · G. de Mestral et F. Harlé (8) · J. Bonnet-Thirion (8) · J. Germain (8) · Schwab (7) · Lavoix et Mosès (7) · Dupont et Elluin (7) · H. Bœttcher fils (6) · Brandon frères (6) · C. Blétry (6)
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IPCs:
IPC B64C39/00 (55) · IPC B64C1/00 (50) · IPC B64C17/00 (44) · IPC B64C23/00 (24) · IPC B64B1/00 (24) · IPC B64C3/00 (17) · IPC B64C11/00 (16) · None (14) · IPC B64C35/00 (14) · IPC B64C33/02 (14) · IPC B64B1/58 (11) · IPC B64C27/04 (10) · IPC B64C33/00 (9) · IPC B64C3/38 (9) · IPC B64C3/54 (9) · IPC B64C25/00 (7) · IPC B64C3/52 (7) · IPC B64C11/16 (7) · IPC B64C3/56 (7) · IPC B64C13/00 (6)
CPCs:
CPC B64C17/00 (45) · CPC B64C39/00 (45) · CPC B64C2700/6295 (36) · CPC B64C23/005 (24) · CPC B64B1/00 (24) · CPC B64C2700/6218 (18) · CPC B64C33/02 (17) · CPC B64C3/00 (17) · CPC B64C2700/6274 (14) · CPC B64C1/00 (14) · CPC B64B1/58 (11) · CPC B64C35/00 (10) · CPC B64C33/00 (9) · CPC B64C3/54 (8) · CPC B64C13/00 (8) · CPC B64C27/04 (8) · CPC B64C2700/6219 (8) · CPC B64C11/006 (8)
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