Drilldown: Patents

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Patents > Filing date: 1912 & Grant date: 1900 - 1999 & Related to aircraft: Yes

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Tech fields:
airplane (143) · design (78) · stability (72) · frame (59) · None (57) · construction (45) · Automatic stability (44) · wings (42) · aerodynamics (42) · LTA (36) · propellers (35) · control (34) · propulsion (29) · chassis (23) · rudder (22) · landing (20) · navigation (20) · lift (19) · fuselage (18)
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Supplementary to patent:
None (227) · Patent FR-1911-443878 (4) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent FR-1911-440594 (3) · Patent DE-1911-258741 (3) · Patent AU-1911-510 (3) · Patent FR-1911-446282 (3) · Patent GB-1911-12188 (3)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (150) · Armengaud jeune (29) · J. Bonnet-Thirion (8) · Charles Dony (8) · None (7) · Marks & Clerk (7) · Dupont et Elluin (6) · Haseltine, Lake & Co. (6) · L. Chassevent (6) · Hippolyte Josse (5) · Société J.P. Bonnicart et Cie. (5) · Émile Bert (5) · Abel & Imray (4) · H. Bœttcher fils (4) · Brandon frères (4) · Schwab (3) · E. Blétry (3) · Weismann et Marx (3) · Dom. Casalonga (3) · Wheatley & Mackenzie (3)
National tech categories:
FR 6.4 (189) · None (52) · HU V/h (12) · FR 6.2 (9) · USPC 244/233 (6) · USPC 244/80 (6) · USPC 244/104R (4) · USPC 244/90R (4) · USPC 244/234 (3) · USPC 244/93 (3) · USPC 244/100R (3) · AU 90.3 (3) · USPC 244/139 (3) · AT 77d (3) · USPC 244/48 (3) · BE K (3)
IPCs:
None (105) · IPC B64C17/00 (45) · IPC B64C1/00 (36) · IPC B64C39/00 (21) · IPC B64B1/00 (15) · IPC B64C35/00 (12) · IPC B64C25/00 (11) · IPC B64B1/58 (9) · IPC B64C3/38 (8) · IPC B64C13/00 (7) · IPC B64C3/00 (7) · IPC B64D17/00 (7) · IPC B64C11/00 (6) · IPC B64C3/54 (4) · IPC B64C3/56 (4) · IPC CPC B64C13/00 (4) · IPC F41G3/24 (4) · IPC B64C23/00 (4) · IPC B64D1/04 (4)
CPCs:
CPC B64C17/00 (53) · CPC B64C2700/6295 (27) · None (26) · CPC B64C13/00 (25) · CPC B64C2700/6218 (21) · CPC B64C39/00 (16) · CPC B64B1/00 (16) · CPC B64C3/385 (10) · CPC B64C2700/6256 (10) · CPC B64B1/58 (9) · CPC B64C35/00 (8) · CPC B64F2700/6226 (8) · CPC B64C2700/6214 (8) · CPC B64C23/005 (7) · CPC B64C3/00 (7) · CPC B64C25/06 (6)
First filing:
Citations from after 1930:
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