Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Office : BE or FR & Applicant firm: None & Applicant type : COMPANY + INDIV or INDIV or INIV & Filing date: 1909 & Supplementary to patent : Patent BE-1909-214032 or Patent NO-1915-12-15 Carl Alfred Johansson or   or None

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Tech fields:
Airplane (89) · None (81) · design (50) · LTA (44) · frame (36) · wings (33) · stability (33) · propellers (31) · control (30) · Propulsion (27) · construction (26) · navigation (20) · aerodynamics (18) · Subsystem (14) · lift (14) · automatic stability (13) · rudder (12)
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None (114) · Armengaud jeune (31) · None (21) · Weismann et Marx (14) · J. Bonnet-Thirion (11) · Lavoix et Mosès (8) · Charles Dony (7) · Schwab (6) · E. Blétry (6) · H. Elluin (5) · Y. Rabilloud et fils (5) · G. de Mestral et F. Harlé (4) · L. Chassevent (4) · Brandon frères (4) · Chassevent (4) · Société J.-P. Bonnicart et Cie (4)
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IPCs:
None (72) · IPC B64C39/00 (29) · IPC B64B1/00 (25) · IPC B64C17/00 (25) · IPC B64C1/00 (22) · IPC B64B1/58 (17) · IPC B64C3/38 (11) · IPC B64C23/00 (10) · IPC B64C3/00 (9) · IPC B64C11/00 (9) · IPC B64B1/40 (8) · IPC B64C33/02 (7) · IPC B64C33/00 (7) · IPC B64C13/00 (5) · IPC B64C3/52 (5) · IPC B64C35/00 (4)
CPCs:
CPC B64C39/00 (43) · CPC B64C2700/6295 (39) · CPC B64C17/00 (27) · CPC B64B1/00 (25) · CPC B64C23/005 (17) · CPC B64B1/58 (17) · CPC B64C3/385 (13) · CPC B64C11/006 (12) · None (11) · CPC B64C2700/6218 (10) · CPC B64C33/00 (10) · CPC B64C2700/6274 (10) · CPC B64C33/02 (9) · CPC B64C3/00 (9) · CPC B64C13/00 (8) · CPC B64B1/40 (8) · CPC B64C3/52 (8) · CPC B64C2700/6212 (7) · CPC B64C2700/6233 (6) · CPC B64C2700/6245 (6)
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