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Patents > Office : BE or CA or NZ

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Office: (Click arrow to add another value)
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Tech fields:
airplane (240) · LTA (114) · design (111) · propellers (110) · propulsion (75) · frame (74) · hybrid (72) · stability (64) · wings (53) · Control (49) · Aerodynamics (49) · rudder (40) · construction (39) · navigation (32) · lift (31) · propeller (28) · sustentation (28) · None (24) · steering (24)
Full specification filed date:
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Supplementary to patent:
None (317) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (15) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3) · Patent FR-1911-430455 (2) · Patent BE-1913-259683 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent US-1913-1087946 (2) · Patent FR-1911-426626 (2) · Patent GB-1913-16499 (2) · Patent BE-1910-225558 (2) · Patent FR-1913-467415 (2) · Patent BE-1909-218585 (2) · Patent FR-1913-468076 (2) · Patent FR-1900-299924 (2) · Patent GB-1908-4519 (2)
Related to aircraft:
Patent agent:
None (277) · 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) · Henry Hughes (9) · Biebuyck (8) · Munn & Co. (6) · Raclot et Cie (6) · Gernaert (5) · Wunderlich (4) · Verhaeghen (4) · Borghans-von Kilch et Cie (4)
National tech categories:
BE K (324) · None (87) · CA 244/24 (8) · CA 244/12 (6) · CA 244/35 (5) · CA 341/80 (4) · CA 244/31 (4) · CA 244/10 (4) · CA 244/29 (3) · CA 244/34 (3) · CA 244/11 (3) · CA 46/28 (3) · CA 244/4 (3)
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Cites these patents:
Citations from after 1930:
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