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Patents > Tech fields : aerodynamics or lift & Number of text pages: 2-3

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None (440) · Seine (17) · Budapest (14) · Paris (5) · Vaucluse (4) · Eure (3) · Seine-et-Oise (3) · Orne (3) · West Virginia (2) · Somme (2) · Nièvre (2) · Ille-et-Vilaine (2) · Eure-et-Loir (2) · Zagreb (2) · Berlin (2)
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None (295) · Patent FR-1908-392672 (9) · Patent ES-1911-50083 (5) · Patent FR-1908-407090 (4) · Patent DE-1912-05-04 Otto Albin Budig (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent GB-1911-5162 (4) · Patent FR-1907-373818 (3) · Patent NZ-1909-26981 (3) · Patent AT-1912-75092 (3) · Patent FR-1910-418630 (3) · Patent SE-1906-25199 (3)
Related to aircraft:
Patent agent:
None (164) · Armengaud jeune (56) · None (20) · E. Blétry (16) · G. de Mestral et F. Harlé (11) · Charles Dony (8) · J. Germain (7) · Dom. Casalonga (7) · Hippolyte Josse (6) · Weismann et Marx (6) · J. Bonnet-Thirion (6) · L. Chassevent (5) · Abel & Imray (5) · Wheatley & Mackenzie (5) · Haseltine, Lake & Co. (5) · Louis Tailfer (5) · Schwab (5)
National tech categories:
FR 6.4 (260) · None (86) · HU V/h (44) · AT 77d (23) · DE 77h.5 (10) · FR 6.2 (8) · DK 77 (8) · FR 6.3 (5) · DE 77h.10 (3) · USPC 244/35R (3) · USPC 244/90R (3) · DE 77h.7 (3) · NL 62 (3) · CH 129b (3)
IPCs:
None (147) · IPC B64C1/00 (45) · IPC B64C39/00 (44) · IPC B64C17/00 (42) · IPC B64C23/00 (19) · IPC B64C3/54 (17) · IPC B64C3/00 (16) · IPC B64C3/38 (16) · IPC B64C13/00 (12) · IPC B64C3/52 (11) · IPC B64C11/00 (11) · IPC B64C35/00 (9) · IPC B64B1/00 (9) · IPC B64C3/48 (9) · IPC B64C33/02 (8) · IPC B64C3/14 (7) · IPC B64C11/20 (6) · IPC B64C27/04 (6)
CPCs:
None (105) · CPC B64C17/00 (45) · CPC B64C39/00 (38) · CPC B64C2700/6295 (35) · CPC B64C3/00 (19) · CPC B64C13/00 (19) · CPC B64C23/005 (18) · CPC B64C2700/6218 (18) · CPC B64C3/385 (16) · CPC B64C3/54 (14) · CPC B64C3/52 (13) · CPC B64C33/02 (11) · CPC B64C1/00 (11) · CPC B64B1/00 (11) · CPC B64C3/48 (10) · CPC B64C11/006 (10) · CPC B64C2700/6256 (10) · CPC B64C2700/6233 (9) · CPC B64C3/14 (9)
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