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Patents > National tech categories : BE K or DE 77h or USPC 244/22

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Office:
Inventor country:
Applicant is inventor:
Tech fields:
airplane (188) · LTA (104) · propellers (95) · design (93) · propulsion (76) · hybrid (74) · frame (70) · wings (58) · stability (50) · flapping (42) · control (41) · aerodynamics (37) · None (34) · navigation (34) · construction (33) · subsystem (31) · rudder (30) · Sustentation (25) · lift (22) · parachute (22)
Full specification filed date:
Application number:
None (428)
Granted:
Supplementary to patent:
None (340) · Patent BE-1909-214032 (32) · Patent BE-1907-199348 (15) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3) · Patent FR-1900-299924 (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-1911-430455 (2)
Related to aircraft:
Patent agent:
None (250) · A. Wunderlich & Cie, Ingénieurs-Conseils (56) · Raclot (22) · Duvinage (21) · J. Gevers (15) · Kirkpatrick (12) · De Visscher et Graetz (11) · E. et G. Bede (8) · Biebuyck (8) · Raclot et Cie (6) · Gernaert (5) · Verhaeghen (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Rest (3) · R. Wittebolle, Brussels, Belgium (3) · Parette (3) · Munn & Co. (3)
National tech categories: (Click arrow to add another value)
CPCs:
None (377) · CPC B64C33/02 (73) · CPC B64B1/58 (5) · CPC B64C33/00 (5) · CPC B64B1/40 (5) · CPC B64B1/00 (4) · CPC B64C39/003 (3) · CPC A63H27/08 (3) · CPC B64C17/00 (2) · CPC B64C23/005 (2) · CPC B64B1/12 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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