Drilldown: Patents

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Patents > Tech fields : lift or propellers & Supplementary to patent: None & Number of text pages: 2

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None (77)
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Related to aircraft:
Patent agent:
None (122) · Armengaud jeune (16) · None (9) · Hippolyte Josse (6) · Charles Dony (5) · Boult, Wade & Tennant (5) · Y. Rabilloud et fils (5) · L. Chassevent (4) · J. Bonnet-Thirion (4) · J. Germain (3) · Dom. Casalonga (3) · Weismann et Marx (3) · Schwab (3) · H. Bœttcher fils (3) · G. de Mestral et F. Harlé (3)
National tech categories:
FR 6.4 (95) · None (58) · HU V/h (40) · AT 77d (19) · FR 6.2 (12) · FR 6.3 (7) · DE 77h.6 (5) · DE 77h.5 (3) · AT 46b (2) · FR 5.3 (2) · USPC 244/64 (2) · USPC 244/65 (2) · USPC 244/17.21 (2)
IPCs:
None (104) · IPC B64C11/00 (23) · IPC B64C39/00 (18) · IPC B64C11/20 (12) · IPC B64C1/00 (9) · IPC B64C17/00 (9) · IPC B63H1/12 (7) · IPC B64C27/04 (7) · IPC B64C11/16 (7) · IPC B64B1/00 (7) · IPC B64C11/04 (7) · IPC B64C23/00 (4) · IPC B64C33/02 (4) · IPC B64C29/00 (4) · IPC B64C3/54 (3) · IPC B64C3/52 (3) · IPC B64C13/00 (3) · IPC B64D27/00 (3) · IPC B64C3/00 (3) · IPC B64B1/58 (3)
CPCs:
None (76) · CPC B64C11/006 (20) · CPC B64C39/00 (15) · CPC B64C17/00 (10) · CPC B64C2700/6295 (9) · CPC B64C11/20 (9) · CPC B64C11/00 (8) · CPC B64C11/16 (8) · CPC B64B1/00 (7) · CPC B64C11/04 (7) · CPC B63H1/26 (5) · CPC B64C23/005 (5) · CPC B64C33/02 (5) · CPC B64C2700/6281 (4) · CPC B64C27/12 (4) · CPC B64C11/48 (4)
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Citations from after 1930:
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