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Patents > Office : BE or CU or DEG or ES or IT or SE

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Tech fields:
airplane (278) · LTA (159) · design (119) · propellers (116) · propulsion (101) · stability (74) · frame (71) · hybrid (67) · wings (66) · navigation (60) · control (49) · aerodynamics (47) · construction (47) · balloon (42) · subsystem (38) · rudder (34) · propeller (32) · None (30) · lift (27)
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Supplementary to patent:
None (416) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (17) · Patent SE-1906-23283 (4) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3) · Patent BE-1913-253298 (3) · Patent FR-1902-326727 (3) · Patent BE-1907-202697 (3) · Patent DE-1907-194166 (3) · Patent US-1913-04-21 George Raymond Lawrence (3)
Related to aircraft:
Patent agent:
None (462) · A. Wunderlich & Cie, Ingénieurs-Conseils (57) · Raclot (22) · Duvinage (21) · J. Gevers (16) · Kirkpatrick (12) · De Visscher et Graetz (11) · E. et G. Bede (9) · Biebuyck (8) · Raclot et Cie (6) · Gernaert (5) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · Verhaeghen (4) · Parette (3) · R. Wittebolle, Brussels, Belgium (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Rest (3)
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Citations from after 1930:
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