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Patents > Year granted: 1912 & Family year: 1911 & Number of text pages: 2-9

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Tech fields:
airplane (125) · Stability (79) · frame (55) · design (55) · None (53) · wings (44) · Construction (37) · automatic stability (35) · propulsion (31) · control (29) · LTA (27) · Aerodynamics (27) · subsystem (24) · landing (23) · chassis (22) · Propellers (21) · wheels (19) · Rudder (18) · fuselage (18) · safety (17)
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Supplementary to patent:
None (236) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent US-1911-1011761 (2) · Patent FR-1911-436026 (2) · Patent FR-1911-430799 (2) · Patent FR-1911-438355 (2) · Patent FR-1910-435648 (2) · Patent ES-1911-50083 (2) · Patent FR-1911-446282 (2) · Patent DE-1911-251309 (2) · Patent FR-1911-432083 (2) · Patent US-1911-1030764 (2) · Patent BE-1911-06-14 Émile-Andre Dandrieux (2) · Patent BE 1911-04-07 Bollekens frères (2)
Related to aircraft:
Patent agent:
None (53) · L. Chassevent (17) · None (12) · Armengaud jeune (11) · Victor J. Evans (10) · Munn & Co. (9) · Marks & Clerk (9) · Dupont et Elluin (8) · Boult, Wade & Tennant (7) · E. Blétry (7) · Weismann et Marx (6) · Hippolyte Josse (6) · Dom. Casalonga (5) · J. Germain (5) · Charles Dony (5) · Abel & Imray (5) · Schwab (5)
National tech categories:
FR 6.4 (134) · None (81) · HU V/h (9) · FR 5.8 (5) · USPC 244/76R (5) · USPC 244/80 (5) · USPC 244/35R (4) · USPC 244/46 (4) · FR 6.2 (4) · AT 77d (4) · USPC 244/63 (3) · DK 77 (3) · FR 5.3 (3) · FR 15.1 (3)
IPCs:
None (108) · IPC B64C1/00 (41) · IPC B64C17/00 (39) · IPC B64C39/00 (31) · IPC B64C25/00 (12) · IPC B64C11/00 (10) · IPC B64C3/00 (10) · IPC B64C17/06 (8) · IPC B64C3/56 (7) · IPC B64B1/00 (6) · IPC B64C33/02 (5) · IPC B64C3/38 (5) · IPC B64C23/00 (4) · IPC B64B1/40 (4) · IPC B64D1/04 (3) · IPC B64C13/00 (3) · IPC B64D17/00 (3) · IPC B64C35/00 (3) · IPC B64D35/06 (3) · IPC F41G3/24 (3)
CPCs:
CPC B64C17/00 (49) · None (30) · CPC B64C39/00 (28) · CPC B64C2700/6295 (27) · CPC B64C2700/6218 (16) · CPC B64C23/005 (14) · CPC B64F2700/6226 (12) · CPC B64C3/385 (12) · CPC B64C17/06 (11) · CPC B64C13/00 (10) · CPC B64C3/00 (9) · CPC B64C11/006 (9) · CPC B64C25/06 (8) · CPC B64C1/00 (7) · CPC B64B1/00 (7) · CPC B64C3/56 (7) · CPC B64C2700/6235 (6) · CPC B64C33/02 (6) · CPC B64C2700/6212 (6) · CPC B64C25/62 (6)
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