Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : DE or ES or JP or Other & Inventor country : BE or FR or NL & Tech fields : airplane or propeller or steering & Cites these patents: None

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Patent agent:
None (215) · Armengaud jeune (108) · None (40) · Charles Dony (35) · J. Bonnet-Thirion (30) · Hippolyte Josse (25) · Weismann et Marx (21) · Dupont et Elluin (20) · L. Chassevent (20) · G. de Mestral et F. Harlé (18) · Boult, Wade & Tennant (15) · J. Germain (13) · E. Blétry (12) · A. Wunderlich & Cie, Ingénieurs-Conseils (11) · Boramé et Julien (10) · Marks & Clerk (9) · Haseltine, Lake & Co. (9) · Émile Bert (9) · Schwab (9)
National tech categories:
FR 6.4 (624) · None (123) · BE K (46) · HU V/h (18) · DE 77h.5 (14) · FR 6.2 (10) · AT 77d (10) · FR 6.3 (6) · CH 129b (5) · FR 5.8 (5) · DE 77h.6 (5) · USPC 244/46 (4) · USPC 244/119 (4) · FR 6.8 (4)
IPCs:
None (155) · IPC B64C17/00 (138) · IPC B64C1/00 (131) · IPC B64C39/00 (79) · IPC B64C3/00 (47) · IPC B64C25/00 (39) · IPC B64C3/38 (38) · IPC B64C13/00 (29) · IPC B64C35/00 (23) · IPC B64C23/00 (19) · IPC B64C17/06 (18) · IPC B64C3/54 (15) · IPC B64C11/00 (14) · IPC B64C3/52 (14) · IPC B64C3/56 (14) · IPC B64C33/02 (12) · IPC B64C11/16 (11) · IPC B64C11/04 (10)
CPCs:
CPC B64C17/00 (146) · None (117) · CPC B64C39/00 (65) · CPC B64C2700/6218 (59) · CPC B64C13/00 (45) · CPC B64C3/00 (43) · CPC B64C2700/6295 (40) · CPC B64C3/385 (36) · CPC B64C25/06 (28) · CPC B64C2700/6256 (25) · CPC B64C1/00 (24) · CPC B64F2700/6226 (23) · CPC B64C17/06 (20) · CPC B64C2700/6214 (20) · CPC B64C25/62 (20) · CPC B64C2700/6212 (19) · CPC B64C23/005 (17) · CPC B64C3/52 (17) · CPC B64C35/00 (17) · CPC B64C2700/6233 (17)
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