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Patents > National tech categories : BE K or DE 77h or USPC 244/50

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Office:
Applicant is inventor:
Tech fields:
Airplane (187) · LTA (105) · propellers (100) · design (95) · hybrid (69) · Propulsion (60) · Frame (58) · wings (55) · stability (47) · control (42) · aerodynamics (36) · construction (35) · subsystem (30) · navigation (26) · sustentation (25) · rudder (25) · lift (22) · steering (20) · None (18) · whole (17)
Full specification filed date:
Granted:
Supplementary to patent:
None (292) · Patent BE-1909-214032 (32) · Patent BE-1907-199348 (15) · Patent BE-1913-255172 (3) · Patent BE-1907-197626 (3) · Patent FR-1900-299924 (2) · Patent FR-1899-292828 (2) · Patent FR-1913-467415 (2) · Patent FR-1913-468076 (2) · Patent BE-1913-259683 (2) · Patent FR-1911-426626 (2) · Patent BE-1910-225558 (2) · Patent BE-1909-218585 (2) · Patent FR-1911-430455 (2)
Related to aircraft:
Patent agent:
None (211) · A. Wunderlich & Cie, Ingénieurs-Conseils (56) · Raclot (22) · Duvinage (21) · J. Gevers (15) · Kirkpatrick (12) · De Visscher et Graetz (11) · Biebuyck (8) · E. et G. Bede (8) · Raclot et Cie (6) · Gernaert (5) · Verhaeghen (4) · Wunderlich (4) · Borghans-von Kilch et Cie (4) · Rest (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Parette (3) · R. Wittebolle, Brussels, Belgium (3)
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National tech categories: (Click arrow to add another value)
IPCs:
None (406) · IPC B64B1/00 (6) · IPC B64B1/58 (5) · IPC B64B1/40 (5) · IPC B64C33/02 (2) · IPC B64C11/16 (2) · IPC B64C25/00 (2) · IPC B64C25/50 (2) · IPC B64B1/64 (2) · IPC B64B1/38 (2) · IPC B64C31/06 (2) · IPC B64B1/06 (2) · IPC B64B 1/58 (2) · IPC B64C39/00 (2) · IPC B64C23/00 (2)
CPCs:
None (380) · CPC B64B1/00 (5) · CPC B64C33/02 (5) · CPC B64B1/58 (5) · CPC B64B1/40 (5) · CPC B64C2700/6295 (4) · CPC B64C23/005 (4) · CPC B64C25/50 (3) · CPC A63H27/08 (3) · CPC B64B1/12 (2) · CPC B64C39/008 (2) · CPC B64C39/003 (2) · CPC B64C17/00 (2) · CPC B64C35/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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