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Patents > Tech fields : rudder or wings & Number of text pages: 2

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None (275) · Patent FR-1907-373818 (8) · Patent FR-1908-392672 (5) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent IT-1914- (3) · Patent FR-1909-399456 (3)
Related to aircraft:
Patent agent:
None (181) · Armengaud jeune (33) · L. Chassevent (9) · G. de Mestral et F. Harlé (8) · Hippolyte Josse (8) · None (8) · J. Bonnet-Thirion (7) · E. Blétry (6) · Marks & Clerk (6) · C. Blétry (5) · J. Germain (5) · Émile Bert (4) · W. P. Thompson & Co. (4)
National tech categories:
FR 6.4 (173) · None (69) · HU V/h (32) · DE 77h.5 (30) · AT 77d (29) · DE 77h.7 (8) · FR 6.3 (7) · USPC 244/35R (5) · DK 77 (5) · DE 77h (4) · USPC 244/233 (4) · GB 4 propel & steer (4) · USPC 244/28 (3) · DE 77 (3) · USPC 244/30 (3) · USPC 244/231 (3) · USPC 244/22 (3) · USPC 244/87 (3)
IPCs:
None (150) · IPC B64C39/00 (36) · IPC B64C3/00 (27) · IPC B64C17/00 (23) · IPC B64C1/00 (19) · IPC B64C3/38 (18) · IPC B64B1/00 (15) · IPC B64C33/02 (15) · IPC B64C13/00 (14) · IPC B64C3/54 (13) · IPC B64C3/52 (9) · IPC B64C23/00 (8) · IPC B64C3/14 (8) · IPC B64C33/00 (7) · IPC B64C3/48 (6) · IPC B64C9/02 (6) · IPC B64C3/18 (6) · IPC B64C31/04 (5) · IPC B64C3/26 (5)
CPCs:
None (99) · CPC B64C2700/6295 (33) · CPC B64C39/00 (30) · CPC B64C13/00 (29) · CPC B64C3/00 (26) · CPC B64C17/00 (25) · CPC B64B1/00 (20) · CPC B64C33/02 (17) · CPC B64C3/385 (15) · CPC B64C3/54 (12) · CPC B64C2700/6233 (11) · CPC B64C33/00 (10) · CPC B64C23/005 (10) · CPC B64C3/14 (10) · CPC B64C3/52 (9) · CPC B64C2700/6218 (8) · CPC B64C2700/6256 (7) · CPC Y02T50/166 (7) · CPC B64C2700/6235 (7) · CPC B64C3/48 (7)
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