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Patents > Office : BE or CH or US & CPCs: None

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Office: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (256) · Airplane (255) · LTA (144) · propellers (121) · design (119) · propulsion (106) · frame (77) · Stability (71) · hybrid (69) · wings (62) · control (50) · aerodynamics (42) · Construction (41) · navigation (41) · subsystem (39) · rudder (30) · propeller (29) · lift (28) · helicopter (28) · Sustentation (26)
Application number:
None (878) · navigation (9) · propeller (6) · rudder (5) · stability (4) · propulsion (4) · frame (3) · flapping (2) · wheels (2)
Granted:
Supplementary to patent:
None (663) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (15) · 1 (7) · Patent BE-1913-255172 (3) · Patent FR-1911-430455 (3) · Patent BE-1907-197626 (3)
Patent agent:
None (532) · A. Wunderlich & Cie, Ingénieurs-Conseils (57) · Raclot (22) · E. Blum & Co. (22) · Duvinage (21) · J. Gevers (16) · A. Ritter (15) · E. Imer-Schneider (14) · Kirkpatrick (12) · De Visscher et Graetz (11) · H. Kirchhofer (10) · E. et G. Bede (9) · 1 (9) · Wilhelm Reinhard (8) · Biebuyck (8) · Raclot et Cie (6) · Gernaert (5)
Assigned to:
None (877) · 1 (31) · Dewey Corporation (2) · Syracuse, NY (2)
National tech categories:
BE K (324) · None (170) · CH 129b (54) · CH 115 (26) · USPC 244/139 (18) · USPC 244/147 (18) · USPC 244/153R (17) · USPC 244/142 (16) · CH 129a (13) · USPC 244/149 (12) · USPC 244/3.23 (11) · CH 129c (10) · USPC 244/53A (10) · USPC 244/144 (7) · USPC 244/3.1 (6) · USPC 244/65 (6) · 1 (6) · USPC 89/1.51 (5) · USPC 244/138R (5) · USPC 244/63 (5)
IPCs:
None (878) · 1 (7) · IPC B64F1/06 (5) · IPC F42B10/30 (3) · IPC B64C11/16 (3) · IPC B64D1/04 (2) · IPC B64C19/00 (2) · IPC B64D27/20 (2) · IPC B64B1/40 (2) · IPC F24F7/02 (2) · IPC B64C9/00 (2) · IPC B61B13/08 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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