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Patents > Office : BE or CA

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Tech fields:
Airplane (224) · LTA (111) · propellers (108) · design (106) · propulsion (73) · hybrid (70) · frame (66) · stability (56) · Wings (53) · control (49) · aerodynamics (45) · construction (39) · rudder (36) · navigation (29) · sustentation (28) · lift (28) · steering (24) · Subsystem (23) · safety (21)
Full specification filed date:
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Supplementary to patent:
None (296) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (15) · Patent BE-1913-255172 (3) · Patent BE-1907-197626 (3) · Patent FR-1913-468076 (2) · Patent FR-1911-430455 (2) · Patent FR-1911-426626 (2) · Patent GB-1913-16499 (2) · Patent FR-1900-299924 (2) · Patent FR-1913-467415 (2) · Patent BE-1909-218585 (2) · Patent BE-1913-259683 (2)
Related to aircraft:
Patent agent:
None (260) · 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) · Munn & Co. (6) · Gernaert (5) · Verhaeghen (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · R. Wittebolle, Brussels, Belgium (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Rest (3) · Parette (3)
National tech categories:
BE K (323) · None (60) · CA 244/24 (8) · CA 244/12 (6) · CA 244/35 (5) · CA 244/31 (4) · CA 244/10 (4) · CA 341/80 (4) · CA 244/29 (3) · CA 244/4 (3) · CA 46/28 (3) · CA 244/34 (3) · CA 244/11 (3)
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Citations from after 1930:
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