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Patents > National tech categories : AT 77d or BE K or USPC 244/50

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Office:
Applicant is inventor:
Tech fields:
airplane (293) · design (133) · LTA (132) · propellers (127) · frame (115) · wings (89) · propulsion (80) · stability (74) · construction (69) · hybrid (68) · Aerodynamics (58) · control (57) · subsystem (47) · navigation (37) · rudder (34) · lift (33) · flapping (30) · propeller (29) · Sustentation (27) · Wheels (26)
Full specification filed date:
Application number:
None (561)
Granted:
Supplementary to patent:
None (366) · 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 (375) · A. Wunderlich & Cie, Ingénieurs-Conseils (56) · Raclot (22) · Duvinage (21) · J. Gevers (15) · Kirkpatrick (12) · De Visscher et Graetz (11) · Biebuyck (8) · E. et G. Bede (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)
National tech categories: (Click arrow to add another value)
IPCs:
None (562) · IPC B64C25/50 (2) · IPC B64C39/00 (2) · IPC B64C3/38 (2) · IPC B64C3/00 (2) · IPC B64C25/00 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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