Drilldown: Patents

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Patents > Year granted: 1900 - 1999 & Tech fields : construction or propellers or propulsion or subsystem & Granted: Yes & National tech categories: FR 6.4 & Cites these patents: None

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None (107) · Armengaud jeune (99) · None (34) · E. Blétry (27) · J. Bonnet-Thirion (26) · Weismann et Marx (26) · Charles Dony (23) · J. Germain (22) · G. de Mestral et F. Harlé (21) · L. Chassevent (21) · Lavoix et Mosès (19) · Hippolyte Josse (18) · Dupont et Elluin (18) · Brandon frères (16) · Schwab (16) · Boramé et Julien (14) · Charles Assi (9) · Matray frères et Cie (9)
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IPCs:
IPC B64C39/00 (97) · IPC B64C11/00 (63) · IPC B64C17/00 (58) · IPC B64C1/00 (55) · IPC B64B1/00 (42) · IPC B64C23/00 (36) · IPC B64C3/00 (29) · None (22) · IPC B64B1/58 (21) · IPC B64C33/02 (21) · IPC B64C27/04 (20) · IPC B64C25/00 (18) · IPC B64C35/00 (17) · IPC B64C11/04 (16) · IPC B64D27/00 (14) · IPC B64C3/18 (14) · IPC B64C3/38 (13) · IPC B64C11/20 (13) · IPC B64C3/54 (12) · IPC B64C3/52 (12)
CPCs:
CPC B64C39/00 (74) · CPC B64C17/00 (62) · CPC B64C2700/6295 (47) · CPC B64C11/006 (43) · CPC B64B1/00 (41) · CPC B64C23/005 (36) · CPC B64C2700/6274 (29) · CPC B64C3/00 (29) · CPC B64C2700/6218 (27) · CPC B64C33/02 (22) · CPC B64B1/58 (21) · CPC B64C11/04 (16) · CPC B64C11/00 (16) · CPC B64C25/06 (14) · CPC B64C35/00 (14) · CPC B64C1/00 (14) · CPC B64C2700/6212 (13) · CPC B64C27/04 (13) · CPC B64C2700/6281 (13)
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