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Patents > National tech categories : 244/87 or AT 77d or BE K

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Office:
Applicant is inventor:
Tech fields:
airplane (286) · design (131) · LTA (129) · propellers (123) · frame (108) · wings (86) · propulsion (77) · stability (72) · construction (67) · hybrid (66) · aerodynamics (58) · control (58) · subsystem (47) · Lift (33) · navigation (31) · rudder (30) · flapping (30) · Sustentation (27) · propeller (26)
Full specification filed date:
Granted:
Supplementary to patent:
None (345) · Patent BE-1909-214032 (32) · Patent BE-1907-199348 (15) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3)
Related to aircraft:
Patent agent:
None (364) · A. Wunderlich & Cie, Ingénieurs-Conseils (56) · Raclot (22) · Duvinage (21) · J. Gevers (16) · Kirkpatrick (12) · De Visscher et Graetz (11) · Biebuyck (8) · E. et G. Bede (8) · Raclot et Cie (6) · Gernaert (5) · Wunderlich (4) · Verhaeghen (4) · Borghans-von Kilch et Cie (4) · Rest (3) · R. Wittebolle, Brussels, Belgium (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Parette (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (548) · IPC B64C39/00 (2) · IPC B64C3/00 (2) · IPC B64C3/38 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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