Drilldown: Patents

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Patents > Tech fields : rudder or whole & Family year: 1900 - 1999

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None (449) · Patent US-1903-821393 (7) · Patent GB-1908-4519 (7) · Patent US-1910-1041876 (6) · Patent US-1906-850616 (4) · Patent US-1908-1077750 (4) · Patent FR-1909-399456 (4) · Patent DE-1909-220044 (4) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent US-1908-1081147 (3) · Patent DE-1907-202942 (3) · Patent NZ-1909-26981 (3) · Patent FR-1916-502839 (3) · Patent US-1911-1003530 (3) · Patent US-1910-993987 (3) · Patent FR-1908-393976 (3) · Patent AT-1907-37570 (3)
Related to aircraft:
Patent agent:
None (234) · Armengaud jeune (18) · Victor J. Evans (14) · None (13) · Weismann et Marx (11) · Marks & Clerk (10) · Munn & Co. (9) · E. Blétry (9) · Lavoix et Mosès (8) · Boult, Wade & Tennant (7) · Brewer & Son (6) · Herbert Haddan & Co. (6) · H. Bœttcher fils (5) · Charles Dony (5) · Dupont et Elluin (5) · C. A. Snow & Co. (5)
National tech categories:
FR 6.4 (161) · None (135) · HU V/h (58) · BE K (16) · AT 77d (15) · DE 77h.5 (13) · USPC 244/87 (10) · USPC 244/233 (9) · USPC 244/22 (9) · USPC 244/90R (8) · USPC 244/51 (8) · USPC 244/35R (8) · USPC 244/45R (8) · USPC 244/13 (8) · DE 77h (7) · CH 129b (7)
IPCs:
None (347) · IPC B64C39/00 (56) · IPC B64C17/00 (33) · IPC B64C1/00 (27) · IPC B64C13/00 (26) · IPC B64C23/00 (13) · IPC B64B1/00 (13) · IPC B64C33/02 (10) · IPC B64C3/38 (9) · IPC B64C9/00 (7) · IPC B64C35/00 (7) · IPC B64B1/58 (7) · IPC B64C11/00 (7) · IPC B64C3/56 (7) · IPC B64C3/54 (6) · IPC B64C33/00 (6) · IPC B64C3/52 (5)
CPCs:
None (173) · CPC B64C13/00 (60) · CPC B64C2700/6295 (57) · CPC B64C17/00 (46) · CPC B64C39/00 (39) · CPC B64C23/005 (26) · CPC B64B1/00 (24) · CPC B64C33/02 (23) · CPC B64C39/08 (19) · CPC B64C2700/6256 (16) · CPC B64C3/385 (16) · CPC B64C9/00 (13) · CPC B64C39/005 (11) · CPC B64C3/14 (11) · CPC B64C2700/6218 (11) · CPC B64C1/00 (9) · CPC B64C2700/6214 (9) · CPC B64C2700/6274 (8) · CPC B64C33/00 (8) · CPC B64C3/56 (7)
First filing:
Citations from after 1930:
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