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Patents > Office : BE or DK or SAX

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Tech fields:
Airplane (208) · design (109) · propellers (103) · LTA (92) · hybrid (64) · propulsion (61) · wings (56) · stability (56) · Frame (49) · control (43) · aerodynamics (41) · construction (39) · lift (31) · sustentation (25) · rudder (24) · subsystem (24) · navigation (23) · steering (20) · motors (19)
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Supplementary to patent:
None (241) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (15) · Patent FR-1911-430455 (4) · Patent BE-1913-255172 (3) · Patent BE-1907-197626 (3) · Patent BE-1910-225558 (2) · Patent FR-1911-426626 (2) · Patent FR-1913-430455.17114 (2) · Patent FR-1913-467415 (2) · Patent FR-1913-468076 (2) · Patent BE-1913-259683 (2) · Patent GB-1913-16499 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent SE-1906-23283 (2) · Patent FR-1900-299924 (2) · Patent BE-1909-218585 (2) · Patent AT-1907-36106 (2)
Related to aircraft:
Patent agent:
None (196) · 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) · Wunderlich (4) · Verhaeghen (4) · Borghans-von Kilch et Cie (4) · Parette (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Rest (3) · R. Wittebolle, Brussels, Belgium (3)
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Citations from after 1930:
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