Drilldown: Patents

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Patents > Tech fields : toy or wings & Citations from after 1930: None

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Supplementary to patent:
None (440) · Patent US-1909-970771 (10) · Patent GB-1911-12232 (8) · Patent SE-1906-23283 (7) · Patent FR-1907-373818 (7) · Patent AT-1912-75092 (6) · Patent AU-1914-14892 (6) · Patent FR-1912-446040 (5) · Patent US-1913-04-21 George Raymond Lawrence (5) · Patent SE-1906-25199 (4) · Patent FR-1909-403985 (4) · Patent GB-1908-4519 (4) · Patent CH-1912-62201 (4)
Related to aircraft:
Patent agent:
None (325) · Armengaud jeune (35) · None (17) · Marks & Clerk (14) · Weismann et Marx (10) · L. Chassevent (9) · Haseltine, Lake & Co. (8) · W. P. Thompson & Co. (8) · Brandon frères (7) · Hippolyte Josse (6) · G. de Mestral et F. Harlé (6) · Boult, Wade & Tennant (6) · E. Blétry (6) · Edward Evans & Co. (5) · Boult, Wade, and Tennant (5) · Herbert Haddan & Co. (5)
National tech categories:
None (190) · FR 6.4 (171) · HU V/h (58) · AT 77d (39) · DE 77h.5 (34) · BE K (32) · IT 8 (13) · DE 77h (11) · FR 6.3 (10) · DK 77 (10) · DE 77h.7 (10) · CH 129b (7) · USPC 244/22 (6) · GB 4 propel & steer (6) · DE 77h.10 (6) · RU Group V (5) · GB 4 without buoyant (5) · GB 4 with buoyant (4) · USPC 244/72 (4)
IPCs:
None (349) · IPC B64C39/00 (44) · IPC B64C3/00 (37) · IPC B64C33/02 (27) · IPC B64C1/00 (23) · IPC B64C17/00 (22) · IPC B64C3/38 (22) · IPC B64C3/56 (16) · IPC B64C33/00 (15) · IPC B64C3/52 (14) · IPC B64C13/00 (13) · IPC B64C23/00 (11) · IPC B64C3/54 (11) · IPC B64C3/48 (10) · IPC B64C3/14 (9) · IPC B64C11/00 (8) · IPC B64B1/00 (8)
CPCs:
None (272) · CPC B64C33/02 (40) · CPC B64C3/00 (39) · CPC B64C39/00 (28) · CPC B64C2700/6295 (27) · CPC B64C17/00 (25) · CPC B64C13/00 (25) · CPC B64C2700/6233 (20) · CPC B64C33/00 (20) · CPC B64C3/56 (17) · CPC B64C3/52 (16) · CPC B64C3/385 (15) · CPC B64C3/14 (13) · CPC B64C23/005 (13) · CPC B64C2700/6256 (11) · CPC B64C3/48 (11) · CPC B64C2700/6218 (11) · CPC B64B1/00 (10) · CPC B64C3/54 (10) · CPC Y02T50/166 (9)
First filing:
Citations from after 1930:
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