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Patents > Office : BE or DK or ES or FI or NL

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Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor:
Tech fields:
airplane (248) · LTA (133) · design (127) · propellers (123) · propulsion (83) · Stability (72) · frame (68) · wings (65) · Hybrid (65) · aerodynamics (55) · subsystem (52) · control (51) · construction (51) · navigation (40) · lift (37) · rudder (31) · balloon (29) · sustentation (25) · Steering (24) · motors (20)
Full specification filed date:
Granted:
Supplementary to patent:
None (336) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (16) · Patent FR-1911-430455 (4) · Patent BE-1913-253298 (3) · Patent BE-1913-255172 (3) · Patent GB-1911-12232 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent BE-1907-197626 (3)
Related to aircraft:
Patent agent:
None (356) · 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) · Gernaert (5) · Verhaeghen (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · Parette (3) · R. Wittebolle, Brussels, Belgium (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Rest (3)
Assigned to:
IPCs:
None (546) · IPC B64B (8) · (IPC1-7): B64B (2) · (IPC1-7) B64B (2) · IPC B64D17/00 (2) · IPC B64C11/00 (2)
CPCs:
None (562) · CPC B64D17/00 (2) · CPC B64B (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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