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Patents > Filing date: 1910 - 1919 & National tech categories : BE K or USPC 244/45R or USPC 244/80

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Tech fields:
airplane (121) · stability (72) · design (70) · None (45) · propellers (43) · frame (39) · control (36) · wings (34) · construction (30) · Aerodynamics (28) · LTA (24) · propulsion (24) · hybrid (23) · automatic stability (20) · equilibrium (18) · sustentation (15) · navigation (15) · rudder (15) · safety (14)
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None (204)
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Supplementary to patent:
None (232) · Patent BE-1909-214032 (3) · Patent BE-1913-255172 (3) · Patent FR-1911-430455 (2) · Patent FR-1913-468076 (2) · Patent FR-1913-467415 (2) · Patent FR-1911-426626 (2) · Patent BE-1913-259683 (2) · Patent BE-1910-225558 (2) · Patent BE-1909-218585 (2)
Related to aircraft:
Patent agent:
None (117) · A. Wunderlich & Cie, Ingénieurs-Conseils (22) · Raclot (21) · J. Gevers (14) · Duvinage (13) · Victor J. Evans (10) · Kirkpatrick (10) · De Visscher et Graetz (9) · Biebuyck (7) · Borghans-von Kilch et Cie (4) · Verhaeghen (4) · E. et G. Bede (4) · R. Wittebolle, Brussels, Belgium (3)
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Citations from after 1930:
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