Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : airfoil or construction or rudder & Patent agent : Armengaud jeune or J. Bonnet-Thirion or Matray freres et Cie or None

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Supplementary to patent:
None (419) · Patent FR-1907-373818 (7) · Patent GB-1908-4519 (6) · Patent US-1903-821393 (5) · Patent US-1909-970771 (5) · Patent FR-1906-363017 (4) · Patent FR-1908-405961 (4) · Patent GB-1909-2111 (3) · Patent FR-1902-326727 (3)
Related to aircraft:
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National tech categories:
FR 6.4 (131) · None (102) · HU V/h (68) · AT 77d (40) · FR 6.3 (24) · DE 77h.5 (21) · BE K (14) · IT 8 (14) · DE 77 (8) · GB 4 with buoyant (7) · USPC 244/90R (7) · DK 77 (7) · USPC 244/45R (6) · USPC 244/35R (6) · DE 77h (6)
IPCs:
None (369) · IPC B64C39/00 (28) · IPC B64C17/00 (25) · IPC B64B1/00 (20) · IPC B64C1/00 (19) · IPC B64C3/00 (15) · IPC B64C13/00 (12) · IPC B64C33/00 (8) · IPC B64C33/02 (8) · IPC B64C3/54 (8) · IPC B64C3/18 (8) · IPC B64C25/00 (7) · IPC B64B1/58 (7) · IPC B64B1/40 (6) · IPC B64C3/14 (5) · IPC B64C23/00 (5)
CPCs:
None (272) · CPC B64C17/00 (30) · CPC B64C2700/6295 (29) · CPC B64C13/00 (27) · CPC B64B1/00 (23) · CPC B64C39/00 (20) · CPC B64C3/00 (15) · CPC B64C33/02 (12) · CPC B64C3/14 (11) · CPC B64C3/385 (10) · CPC B64C23/005 (9) · CPC B64B1/40 (9) · CPC B64C33/00 (8) · CPC B64C2700/6218 (8) · CPC B64C39/08 (7) · CPC B64C39/005 (6) · CPC B64C25/06 (6) · CPC B64B1/58 (6) · CPC B64C25/52 (6) · CPC B64C2700/6233 (6)
First filing:
Citations from after 1930:
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