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Patents > Office : BE or NL

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Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor:
Tech fields:
airplane (193) · propellers (100) · Design (93) · LTA (83) · hybrid (63) · propulsion (52) · wings (47) · stability (42) · frame (40) · control (40) · aerodynamics (39) · construction (35) · subsystem (33) · lift (25) · sustentation (25) · rudder (21) · motors (19) · steering (17) · ascension (15)
Full specification filed date:
Granted:
Supplementary to patent:
None (244) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (15) · Patent BE-1913-255172 (3) · Patent BE-1907-197626 (3) · Patent FR-1911-430455 (2) · Patent FR-1913-467415 (2) · Patent FR-1913-468076 (2) · Patent BE-1913-259683 (2) · Patent FR-1911-426626 (2) · Patent BE-1909-218585 (2) · Patent FR-1900-299924 (2)
Related to aircraft:
Patent agent:
None (155) · 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) · R. Wittebolle, Brussels, Belgium (3) · Parette (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Rest (3)
Assigned to:
IPCs:
None (366) · IPC B64C11/00 (2) · IPC B64D17/00 (2)
CPCs:
None (365) · CPC B64D17/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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