Drilldown: Patents

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Patents > National tech categories : BE K or CH 129b or USPC 89/41.19

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None (320) · Région flamande (10) · région wallonne (9) · Brussels (8) · région Bruxelles-Capitale (8) · province de Flandre-Orientale (6) · Ixelles (6) · Province de Brabant‎ (5) · Destelbergen lez-Gand (5) · province de Namur (4) · Antwerp (4) · Saventhem (4) · province de Hainaut (4) · province d'Anvers (3) · Chicago (3)
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Tech fields:
airplane (208) · propellers (99) · design (99) · LTA (74) · Hybrid (61) · stability (61) · wings (51) · frame (48) · propulsion (47) · control (44) · aerodynamics (36) · construction (33) · lift (27) · sustentation (26) · Subsystem (23) · rudder (23) · steering (20) · automatic stability (18) · helicopter (18) · navigation (18)
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Supplementary to patent:
None (222) · Patent BE-1909-214032 (30) · Patent BE-1907-199348 (15) · Patent BE-1913-255172 (3) · Patent BE-1907-197626 (3) · Patent FR-1911-426626 (2) · Patent FR-1900-299924 (2) · Patent FR-1913-467415 (2) · Patent FR-1913-468076 (2) · Patent BE-1913-259683 (2) · Patent BE-1910-225558 (2) · Patent BE-1909-218585 (2) · Patent FR-1911-430455 (2) · Patent US-1913-04-21 George Raymond Lawrence (2)
Related to aircraft:
Patent agent:
None (104) · A. Wunderlich & Cie, Ingénieurs-Conseils (54) · Raclot (22) · Duvinage (19) · J. Gevers (17) · Kirkpatrick (12) · E. Blum & Co. (11) · E. Imer-Schneider (10) · De Visscher et Graetz (10) · E. et G. Bede (8) · Biebuyck (8) · H. Kirchhofer (7) · Raclot et Cie (6) · Fritz Isler (6) · Gernaert (5) · Verhaeghen (4) · Wilhelm Reinhard (4) · Wunderlich (4) · A. Ritter (4) · Borghans-von Kilch et Cie (4)
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