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Patents > Office : BE or CA or CH & Filing date: 1900 - 1999

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Office: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
airplane (234) · design (125) · Propellers (99) · LTA (87) · frame (83) · stability (75) · propulsion (75) · wings (61) · control (56) · construction (49) · hybrid (48) · aerodynamics (47) · subsystem (40) · rudder (34) · navigation (31) · lift (28) · sustentation (28) · Safety (26) · propeller (26) · steering (25)
Full specification filed date:
Application number:
None (516)
Granted:
Supplementary to patent:
None (321) · Patent BE-1907-199348 (15) · Patent BE-1909-214032 (10) · Patent FR-1911-430455 (3) · Patent BE-1913-255172 (3) · Patent BE-1907-197626 (3) · Patent GB-1913-16499 (3)
Related to aircraft:
Patent agent:
None (223) · A. Wunderlich & Cie, Ingénieurs-Conseils (37) · E. Blum & Co. (22) · Raclot (22) · Duvinage (21) · E. Imer-Schneider (16) · J. Gevers (15) · De Visscher et Graetz (11) · Kirkpatrick (11) · H. Kirchhofer (10) · Biebuyck (8) · Wilhelm Reinhard (8) · Munn & Co. (6) · A. Ritter (6) · E. et G. Bede (6) · Raclot et Cie (5) · Fritz Isler (5)
National tech categories:
BE K (283) · None (61) · CH 129b (61) · CH 129a (14) · CH 129c (11) · CH 115 (9) · CA 244/12 (6) · CA 244/35 (5) · CA 244/10 (4) · CA 341/80 (4) · CA 46/28 (3) · CH 128c (3) · CA 244/11 (3) · CA 244/4 (3) · CH 96g (3) · CA 244/34 (3) · CA 244/31 (3)
IPCs:
None (522) · IPC B64C11/00 (5) · IPC B64C19/00 (4) · IPC B64C9/00 (3) · IPC B64C25/00 (2) · IPC G05D1/08 (2)
CPCs:
None (534) · CPC B64C11/006 (2) · CPC B64C25/62 (2) · CPC B64C13/00 (2) · CPC B64C19/00 (2) · CPC B64C3/385 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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