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Patents > Office : DK or FR or US & Tech fields : Airship or wings

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Supplementary to patent:
None (378) · Patent FR-1907-373818 (8) · Patent FR-1908-392672 (6) · Patent US-1909-970771 (4) · Patent FR-1908-407090 (4) · Patent GB-1911-12232 (3)
Related to aircraft:
Patent agent:
None (165) · Armengaud jeune (73) · None (17) · G. de Mestral et F. Harlé (17) · E. Blétry (15) · Weismann et Marx (15) · Hippolyte Josse (13) · L. Chassevent (12) · J. Bonnet-Thirion (11) · Lavoix et Mosès (9) · C. Blétry (8) · Dupont et Elluin (7) · Brandon frères (7) · Louis Tailfer (6) · Charles Dony (6) · J. Germain (5) · Schwab (5) · Émile Bert (5) · Ch. Mardelet (5) · P. Follin (5)
National tech categories:
FR 6.4 (369) · None (46) · FR 6.3 (46) · DK 77 (11) · USPC 244/22 (8) · FR 5 (7) · USPC 244/125 (4) · USPC 244/25 (4) · USPC 244/127 (4) · FR 5.3 (4) · USPC 244/72 (4) · USPC 244/80 (4) · USPC 244/96 (4) · USPC 244/47 (3) · USPC 244/46 (3) · USPC 244/52 (3) · USPC 244/35R (3) · USPC 244/50 (3) · USPC 244/233 (3) · FR 7.3 (3)
IPCs:
None (156) · IPC B64C39/00 (51) · IPC B64C17/00 (40) · IPC B64C1/00 (39) · IPC B64B1/00 (35) · IPC B64C3/00 (30) · IPC B64C33/02 (22) · IPC B64C3/38 (21) · IPC B64C3/54 (15) · IPC B64C3/52 (15) · IPC B64C11/00 (15) · IPC B64C33/00 (12) · IPC B64C3/48 (12) · IPC B64C23/00 (12) · IPC B64C3/56 (11) · IPC B64B1/58 (10) · IPC B64C3/18 (10) · IPC B64C13/00 (8) · IPC B64C27/04 (7)
CPCs:
None (63) · CPC B64C17/00 (44) · CPC B64B1/00 (42) · CPC B64C39/00 (38) · CPC B64C33/02 (32) · CPC B64C2700/6295 (32) · CPC B64C3/00 (30) · CPC B64C3/385 (19) · CPC B64C2700/6233 (19) · CPC B64C13/00 (18) · CPC B64C2700/6218 (16) · CPC B64C23/005 (16) · CPC B64C3/52 (16) · CPC B64C3/54 (14) · CPC B64C33/00 (14) · CPC B64C3/48 (13) · CPC B64C3/56 (12) · CPC B64C11/006 (11) · CPC B64B1/40 (10) · CPC B64B1/58 (10)
First filing:
Citations from after 1930:
Number of diagram pages:

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