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Patents > Office : BE or ES

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Office: (Click arrow to add another value)
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Tech fields:
Airplane (215) · LTA (122) · propellers (112) · Design (107) · propulsion (67) · hybrid (64) · stability (54) · wings (50) · frame (48) · Control (46) · aerodynamics (44) · construction (39) · subsystem (31) · navigation (30) · rudder (28) · lift (27) · balloon (25) · sustentation (25) · steering (21) · motors (20)
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Supplementary to patent:
None (285) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (16) · Patent BE-1907-197626 (3) · Patent BE-1913-253298 (3) · Patent BE-1913-255172 (3)
Related to aircraft:
Patent agent:
None (266) · 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) · Verhaeghen (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · Parette (3) · Rest (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · R. Wittebolle, Brussels, Belgium (3)
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Cites these patents:
Citations from after 1930:
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