Drilldown: Patents

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Patents > Tech fields : Airship or airplane or propulsion & National tech categories: FR 6.4 & Number of text pages: 1-2

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Patent agent:
Armengaud jeune (94) · None (80) · None (49) · Charles Dony (33) · L. Chassevent (26) · J. Bonnet-Thirion (24) · Hippolyte Josse (24) · E. Blétry (23) · G. de Mestral et F. Harlé (21) · J. Germain (20) · Dupont et Elluin (12) · Y. Rabilloud et fils (12) · Brandon frères (11) · Schwab (10) · Lavoix et Mosès (10) · Émile Klotz (9) · Boramé et Julien (8) · Dom. Casalonga (8) · M. Zerolo (7) · Rigot et Prévost (7)
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IPCs:
IPC B64C39/00 (83) · IPC B64C17/00 (83) · IPC B64C1/00 (70) · IPC B64C11/00 (36) · IPC B64C3/00 (31) · IPC B64C25/00 (28) · IPC B64C23/00 (28) · IPC B64B1/00 (25) · IPC B64C3/38 (24) · IPC B64C35/00 (21) · None (21) · IPC B64C13/00 (19) · IPC B64C3/54 (17) · IPC B64C3/52 (14) · IPC B64C33/02 (13) · IPC B64B1/58 (9) · IPC B64C13/04 (9)
CPCs:
CPC B64C17/00 (86) · CPC B64C39/00 (74) · CPC B64C2700/6295 (50) · CPC B64C2700/6218 (32) · CPC B64C3/00 (32) · CPC B64C23/005 (27) · CPC B64C11/006 (26) · CPC B64C13/00 (26) · CPC B64B1/00 (25) · CPC B64C3/385 (24) · CPC B64C2700/6274 (19) · CPC B64C25/06 (19) · CPC B64C3/52 (15) · CPC B64C25/62 (15) · CPC B64F2700/6226 (14) · CPC B64C33/02 (14) · CPC B64C35/00 (13) · CPC B64C3/54 (12) · CPC B64C2700/6256 (12) · CPC B64C2700/6214 (12)
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