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Patents > Tech fields : lift or rudder or wings & Number of text pages: 1-2

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None (384) · Patent FR-1908-392672 (11) · Patent FR-1907-373818 (9) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent HU-1904-31053 (3) · Patent IT-1914- (3) · Patent DE-1907-202942 (3) · Patent FR-1909-399456 (3) · Patent FR-1909-410848 (3) · Patent FR-1911-429224 (3)
Related to aircraft:
Patent agent:
None (236) · Armengaud jeune (50) · None (22) · E. Blétry (14) · G. de Mestral et F. Harlé (12) · J. Bonnet-Thirion (10) · L. Chassevent (10) · Hippolyte Josse (10) · Charles Dony (8) · J. Germain (8) · P. Follin (6) · Marks & Clerk (6) · C. Blétry (5) · Haseltine, Lake & Co.‎ (5)
National tech categories:
FR 6.4 (270) · None (96) · HU V/h (42) · AT 77d (38) · DE 77h.5 (36) · FR 6.3 (12) · DE 77h.7 (9) · DK 77 (8) · USPC 244/35R (6) · DE 77h (5) · GB 4 propel & steer (5) · USPC 244/233 (4) · DE 77h.10 (4) · DE 77 (4) · USPC 244/72 (4) · USPC 244/30 (4) · USPC 244/87 (4)
IPCs:
None (200) · IPC B64C39/00 (52) · IPC B64C3/00 (34) · IPC B64C17/00 (30) · IPC B64C1/00 (28) · IPC B64C3/38 (23) · IPC B64B1/00 (20) · IPC B64C13/00 (19) · IPC B64C33/02 (19) · IPC B64C3/54 (18) · IPC B64C3/52 (16) · IPC B64C23/00 (15) · IPC B64C11/00 (14) · IPC B64C3/56 (13) · IPC B64C3/14 (10) · IPC B64C3/18 (9) · IPC B64C3/48 (7)
CPCs:
None (132) · CPC B64C39/00 (43) · CPC B64C13/00 (39) · CPC B64C2700/6295 (36) · CPC B64C3/00 (35) · CPC B64C17/00 (33) · CPC B64C33/02 (29) · CPC B64B1/00 (25) · CPC B64C3/385 (19) · CPC B64C3/52 (17) · CPC B64C23/005 (16) · CPC B64C2700/6233 (14) · CPC B64C3/54 (14) · CPC B64C3/56 (13) · CPC B64C3/14 (12) · CPC B64C2700/6218 (10) · CPC B64C33/00 (10) · CPC Y02T50/166 (10) · CPC B64C11/006 (9) · CPC B64C2700/6256 (9)
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