Drilldown: Patents

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Patents > Tech fields : control or stability & Number of figures: 3-4

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Supplementary to patent:
None (312) · Patent BE-1911-05-15 Georges de Bothezat (5) · Patent NO-1915-12-15 Carl Alfred Johansson (5) · Patent CH-1910-52044 (4) · Patent US-1908-927605 (4) · Patent HU-1909-49726 (4) · Patent US-1903-821393 (3) · Patent DE-1912-06-24 Julius Pompe (3) · Patent FR-1909-399456 (3) · Patent DE-1908-232250 (3) · Patent FR-1912-447782 (3) · Patent US-1911-1003530 (3) · Patent DE-1912-05-04 Otto Albin Budig (3) · Patent US-1908-989022 (3) · Patent AT-1907-37570 (3) · Patent AT-1913-66955 (3)
Related to aircraft:
Patent agent:
None (156) · Armengaud jeune (21) · None (18) · Marks & Clerk (12) · Weismann et Marx (9) · Haseltine, Lake & Co. (9) · Munn & Co. (7) · Boult, Wade & Tennant (7) · Herbert Haddan & Co. (7) · Abel & Imray (6) · L. Chassevent (6) · E. Blétry (6) · J. Germain (5) · Charles Dony (5) · Schwab (5) · Victor J. Evans (5)
National tech categories:
FR 6.4 (182) · None (109) · HU V/h (25) · AT 77d (20) · DE 77h.5 (14) · USPC 244/80 (9) · CH 129b (7) · DE 77 (7) · FR 6.3 (7) · USPC 244/93 (5) · USPC 244/90R (5) · USPC 244/48 (5) · USPC 244/225 (4)
IPCs:
None (175) · IPC B64C17/00 (97) · IPC B64C1/00 (76) · IPC B64C13/00 (29) · IPC B64C39/00 (27) · IPC B64B1/00 (15) · IPC B64C3/38 (11) · IPC B64C17/06 (9) · IPC B64C23/00 (8) · IPC B64C13/04 (6) · IPC B64C33/02 (5) · IPC B64C9/00 (5) · IPC B64D35/04 (5) · IPC B64C3/54 (4)
CPCs:
CPC B64C17/00 (118) · None (89) · CPC B64C13/00 (49) · CPC B64C2700/6218 (39) · CPC B64C2700/6256 (24) · CPC B64C2700/6295 (22) · CPC B64C39/00 (21) · CPC B64C2700/6212 (20) · CPC B64B1/00 (17) · CPC B64C2700/6214 (14) · CPC B64C17/06 (12) · CPC B64C3/385 (12) · CPC B64C1/00 (11) · CPC B64C23/005 (10) · CPC B64C2700/6216 (10) · CPC B64C2700/6219 (8) · CPC B64C2700/6274 (7) · CPC B64C39/005 (6)
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