Drilldown: Patents

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Patents > Applicant firm: None & Applicant type : INDIV or А. Нейфельд & Tech fields : balloon or wings & National tech categories: FR 6.4

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Supplementary to patent:
None (200) · Patent FR-1907-373818 (8) · Patent FR-1908-392672 (6) · Patent FR-1908-407090 (4) · Patent FR-1913-452942 (2) · Patent FR-1916-491738 (2) · Patent FR-1911-448574 (2) · Patent FR-1911-429224 (2) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (2) · Patent FR-1909-410848 (2) · Patent FR-1910-420958 (2) · Patent FR-1909-403418 (2)
Related to aircraft:
Patent agent:
Armengaud jeune (68) · None (43) · G. de Mestral et F. Harlé (16) · None (15) · E. Blétry (14) · Weismann et Marx (13) · J. Bonnet-Thirion (10) · Hippolyte Josse (8) · L. Chassevent (7) · C. Blétry (6) · Louis Tailfer (6) · Charles Dony (6) · J. Germain (5)
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IPCs:
IPC B64C39/00 (42) · IPC B64C17/00 (39) · IPC B64C1/00 (37) · IPC B64B1/00 (25) · IPC B64C3/00 (23) · IPC B64C3/38 (18) · IPC B64C33/02 (17) · IPC B64C3/54 (14) · IPC B64C3/52 (14) · IPC B64B1/58 (13) · IPC B64C3/48 (11) · IPC B64C23/00 (11) · None (9) · IPC B64C3/56 (9) · IPC B64C11/00 (8) · IPC B64C13/00 (7) · IPC B64C3/18 (6)
CPCs:
CPC B64C17/00 (40) · CPC B64C39/00 (31) · CPC B64B1/00 (25) · CPC B64C2700/6295 (23) · CPC B64C3/00 (22) · CPC B64C33/02 (20) · CPC B64C2700/6218 (16) · CPC B64C3/52 (15) · CPC B64C2700/6233 (15) · CPC B64C3/385 (13) · CPC B64B1/58 (12) · CPC B64C3/54 (12) · CPC B64C23/005 (11) · CPC B64C3/48 (11) · CPC Y02T50/166 (9) · CPC B64C3/56 (9) · CPC B64C1/00 (7) · CPC B64C2700/6274 (7) · CPC B64C11/006 (7) · CPC B64C13/00 (7)
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