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Patents > Office : BE or CA or ES

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Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor:
Tech fields:
airplane (257) · LTA (151) · propellers (125) · design (123) · propulsion (92) · Frame (80) · hybrid (71) · stability (69) · wings (58) · control (57) · aerodynamics (54) · construction (48) · navigation (46) · rudder (43) · balloon (42) · subsystem (36) · lift (32) · steering (29) · sustentation (28) · propeller (28)
Full specification filed date:
Application number:
None (622)
Granted:
Supplementary to patent:
None (364) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (16) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3) · Patent BE-1913-253298 (3)
Related to aircraft:
Patent agent:
None (401) · 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) · Munn & Co. (7) · Raclot et Cie (6) · Gernaert (5) · Verhaeghen (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · Rest (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · R. Wittebolle, Brussels, Belgium (3) · Parette (3)
National tech categories:
BE K (324) · None (201) · 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)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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