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Patents > Office: FR & Tech fields : Propellers or aerodynamics or subsystem & First filing: No

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None (79) · Armengaud jeune (54) · E. Blétry (20) · J. Bonnet-Thirion (14) · None (11) · L. Chassevent (11) · Weismann et Marx (11) · Schwab (10) · Lavoix et Mosès (10) · Charles Dony (10) · J. Germain (10) · Dupont et Elluin (9) · Boramé et Julien (9) · G. de Mestral et F. Harlé (8) · Charles Assi (7) · Brandon frères (7) · Dom. Casalonga (6) · de Bongé (6) · C. Baumann (6)
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IPCs:
IPC B64C39/00 (50) · IPC B64C17/00 (49) · None (40) · IPC B64C1/00 (39) · IPC B64C11/00 (34) · IPC B64C23/00 (15) · IPC B64C27/04 (13) · IPC B64B1/00 (11) · IPC B64C3/38 (11) · IPC B64C35/00 (11) · IPC B63H1/12 (10) · IPC B64C3/52 (9) · IPC B64C11/16 (9) · IPC B64C11/04 (8) · IPC B64C11/20 (8) · IPC B64C3/00 (8) · IPC B64C13/00 (7) · IPC B64B1/58 (7) · IPC B64C33/02 (7) · IPC B64C3/48 (6)
CPCs:
CPC B64C17/00 (51) · CPC B64C39/00 (40) · None (35) · CPC B64C2700/6295 (32) · CPC B64C11/006 (26) · CPC B64C2700/6218 (19) · CPC B64C2700/6274 (15) · CPC B64C23/005 (15) · CPC B64B1/00 (11) · CPC B64C11/16 (11) · CPC B64C3/385 (9) · CPC B64C13/00 (9) · CPC B64C1/00 (9) · CPC B64C2700/6212 (9) · CPC B64C3/52 (8) · CPC B64C2700/6214 (8) · CPC B64C2700/6281 (8) · CPC B64C3/00 (8) · CPC B64C11/04 (8)
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