Drilldown: Patents

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Patents > Year granted: 1912 & Number of figures: 2-5

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Year granted:
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Tech fields:
airplane (178) · stability (87) · None (66) · design (66) · frame (63) · Propulsion (56) · wings (45) · propellers (45) · construction (41) · LTA (40) · subsystem (38) · automatic stability (38) · landing (35) · navigation (33) · propeller (30) · helicopter (30) · aerodynamics (29) · control (29) · rudder (24) · safety (23)
Full specification filed date:
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Supplementary to patent:
None (335) · Patent GB-1911-5162 (4) · Patent US-1909-970771 (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3) · Patent BE-1910-12-31 Léon Dangy (3) · Patent FR-1910-423792 (3)
Related to aircraft:
Patent agent:
None (124) · None (20) · Armengaud jeune (20) · Marks & Clerk (13) · L. Chassevent (11) · Hippolyte Josse (9) · Boult, Wade & Tennant (9) · Victor J. Evans (8) · Dupont et Elluin (8) · Schwab (7) · Weismann et Marx (6) · Wheatley & Mackenzie (6) · J. Bonnet-Thirion (6) · Charles Dony (6) · Société A. Frey et de Carsalade (5) · Gaston Rose (5) · E. Blétry (5) · H. Bœttcher fils (5)
National tech categories:
FR 6.4 (202) · None (95) · DE 77h.5 (16) · AT 77d (15) · USPC 244/45R (12) · HU V/h (11) · DE 77h.6 (10) · RU Group V (8) · CH 129b (6) · FR 6.2 (6) · USPC 244/80 (5) · DE 77h.9 (4)
IPCs:
None (170) · IPC B64C39/00 (45) · IPC B64C17/00 (45) · IPC B64C1/00 (34) · IPC B64C25/00 (19) · IPC B64C11/00 (15) · IPC B64B1/00 (14) · IPC B64C3/00 (12) · IPC B64C35/00 (11) · IPC B64C23/00 (8) · IPC B64D17/00 (8) · IPC B64C13/00 (7) · IPC B64C3/38 (7) · IPC B64C11/16 (6) · IPC B64C3/56 (5) · IPC B64B1/58 (5) · IPC B64C17/06 (5) · IPC B64C33/02 (5) · IPC B64C17/04 (4) · IPC F41G3/24 (4)
CPCs:
None (79) · CPC B64C17/00 (57) · CPC B64C2700/6295 (36) · CPC B64C39/00 (30) · CPC B64C2700/6218 (18) · CPC B64B1/00 (15) · CPC B64C11/006 (15) · CPC B64F2700/6226 (14) · CPC B64C13/00 (14) · CPC B64C23/005 (14) · CPC B64C25/06 (14) · CPC B64C3/385 (13) · CPC B64C3/00 (11) · CPC B64C39/08 (11) · CPC B64C35/00 (9) · CPC B64D17/00 (9) · CPC B64C33/02 (8) · CPC B64C25/62 (8)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
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