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Patents > Granted: Yes & National tech categories : BE K or USPC 244/90R

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Tech fields:
Airplane (189) · propellers (93) · design (83) · LTA (70) · hybrid (62) · stability (55) · None (46) · frame (46) · wings (43) · propulsion (42) · control (39) · Aerodynamics (35) · Rudder (27) · Sustentation (25) · construction (24) · lift (23) · navigation (23) · steering (18) · ascension (15) · equilibrium (15)
Full specification filed date:
Application number:
None (299)
Granted: (Click arrow to add another value)
Supplementary to patent:
None (247) · Patent BE-1909-214032 (32) · Patent BE-1907-199348 (15) · Patent BE-1913-255172 (3) · Patent BE-1907-197626 (3) · Patent FR-1911-426626 (2) · Patent FR-1911-430455 (2) · Patent BE-1913-259683 (2) · Patent FR-1913-467415 (2) · Patent BE-1910-225558 (2) · Patent BE-1909-218585 (2) · Patent FR-1900-299924 (2)
Related to aircraft:
Patent agent:
None (147) · A. Wunderlich & Cie, Ingénieurs-Conseils (56) · Raclot (21) · Duvinage (21) · Kirkpatrick (12) · De Visscher et Graetz (11) · Biebuyck (8) · E. et G. Bede (8) · Raclot et Cie (6) · Gernaert (5) · Verhaeghen (4) · J. Gevers (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Parette (3) · Munn & Co. (3) · Rest (3)
National tech categories: (Click arrow to add another value)
CPCs:
None (296) · CPC B64C13/00 (32) · CPC B64C2700/6295 (8) · CPC B64C17/00 (7) · CPC B64C3/385 (6) · CPC B64C13/24 (5) · CPC Y10S244/904 (3) · CPC B64C2700/6256 (2) · CPC B64C35/00 (2) · CPC Y02T50/10 (2) · CPC Y02T50/145 (2) · CPC B64C3/14 (2)
First filing:
Citations from after 1930:
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