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Patents > Tech fields: control & Related to aircraft : 1? or Yes or None

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Supplementary to patent:
None (225) · Patent FR-1909-399456 (5) · Patent IT-1910-10-17 Carlo Navaro (4) · Patent FR-1907-377174 (4) · Patent IT-1911-06-09 Carlo Navaro (3) · Patent FR-1905-356644 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (138) · Armengaud jeune (26) · Abel & Imray (10) · Haseltine, Lake & Co. (9) · Marks & Clerk (9) · None (8) · L. Chassevent (8) · J. Germain (7) · E. Blétry (7) · Dom. Casalonga (6) · Charles Dony (6) · Schwab (6) · Weismann et Marx (5) · Charles Assi (5) · Herbert Haddan & Co. (4) · Boult, Wade & Tennant (4)
National tech categories:
FR 6.4 (156) · None (85) · HU V/h (18) · BE K (12) · DE 77 (9) · FR 6.3 (8) · AT 77d (7) · USPC 244/80 (6) · DE 77h.5 (5) · FR 5.8 (4) · USPC 244/90R (4) · USPC 244/76R (4) · FR 6.2 (4) · USPC 244/51 (3) · USPC 244/233 (3)
IPCs:
None (95) · IPC B64C17/00 (55) · IPC B64C1/00 (39) · IPC B64C13/00 (27) · IPC B64C39/00 (21) · IPC B64C3/38 (15) · IPC CPC B64C13/00 (13) · IPC B64C23/00 (10) · IPC B64C13/04 (8) · IPC B64C3/54 (8) · IPC B64C9/00 (6) · IPC B64C33/02 (6) · IPC B64C11/00 (5) · IPC B64B1/40 (5) · IPC B64C3/52 (4) · IPC B64C35/00 (4) · IPC B64C27/04 (4) · IPC B64C17/06 (4)
CPCs:
None (64) · CPC B64C17/00 (59) · CPC B64C13/00 (49) · CPC B64C2700/6218 (24) · CPC B64C2700/6256 (23) · CPC B64C39/00 (17) · CPC B64C2700/6295 (16) · CPC B64C2700/6214 (13) · CPC B64C2700/6212 (12) · CPC B64C23/005 (11) · CPC B64C3/385 (11) · CPC B64C9/00 (10) · CPC B64C2700/6274 (10) · CPC B64C13/04 (8) · CPC B64C1/00 (7) · CPC B64B1/00 (7) · CPC B64C13/24 (7) · CPC B64C3/38 (6) · CPC B64C2700/6246 (6) · CPC B64C33/02 (6)
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