Drilldown: Patents

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

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Patent agent:
None (72) · Armengaud jeune (63) · E. Blétry (17) · None (15) · Brandon frères (13) · Charles Dony (12) · J. Bonnet-Thirion (12) · Dupont et Elluin (10) · L. Chassevent (10) · Schwab (10) · G. de Mestral et F. Harlé (9) · J. Germain (9) · Lavoix et Mosès (8) · Weismann et Marx (8) · Gaston Rose (8) · Hippolyte Josse (6) · Ch. Mardelet (6) · M. Zerolo (5) · Rigot et Prévost (5)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (68) · IPC B64C17/00 (38) · IPC B64C1/00 (38) · IPC B64C11/00 (29) · IPC B64B1/00 (24) · IPC B64C35/00 (20) · IPC B64C23/00 (20) · IPC B64C3/38 (15) · IPC B64C25/00 (14) · None (13) · IPC B64C33/02 (13) · IPC B64C27/04 (13) · IPC B64C3/52 (9) · IPC B64C3/00 (9) · IPC B64B1/58 (8) · IPC B64C3/48 (7) · IPC B64C13/00 (7) · IPC B64C3/18 (7) · IPC B64C3/54 (7) · IPC B64C11/20 (6)
CPCs:
CPC B64C39/00 (58) · CPC B64C2700/6295 (45) · CPC B64C17/00 (39) · CPC B64B1/00 (24) · CPC B64C23/005 (21) · CPC B64C2700/6218 (19) · CPC B64C11/006 (19) · CPC B64C33/02 (15) · CPC B64C2700/6274 (14) · CPC B64C3/385 (13) · CPC B64C35/00 (12) · CPC B64F2700/6226 (10) · CPC B64C2700/6281 (9) · CPC B64C3/00 (9) · CPC B64C27/04 (9) · CPC B64C1/00 (9)
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