Drilldown: Patents

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

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Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor:
Tech fields:
None (259) · airplane (227) · LTA (115) · propellers (101) · design (99) · Propulsion (79) · hybrid (67) · stability (58) · frame (53) · wings (48) · control (41) · aerodynamics (39) · Construction (32) · navigation (29) · rudder (28) · helicopter (26) · lift (26) · sustentation (25) · propeller (21)
Granted:
Supplementary to patent:
None (611) · Patent BE-1909-214032 (33) · Patent BE-1907-199348 (15) · 1 (7) · Patent BE-1907-197626 (3) · Patent BE-1913-255172 (3)
Patent agent:
None (539) · A. Wunderlich & Cie, Ingénieurs-Conseils (57) · Raclot (22) · Duvinage (21) · J. Gevers (16) · Kirkpatrick (12) · De Visscher et Graetz (11) · E. et G. Bede (9) · 1 (9) · Henry Hughes (9) · Biebuyck (8) · Raclot et Cie (6) · Gernaert (5) · Wunderlich (4) · None (4) · Borghans-von Kilch et Cie (4) · Munn & Co. (4) · Verhaeghen (4)
Assigned to:
None (766) · 1 (31) · Dewey Corporation (2) · Syracuse, NY (2)
National tech categories:
BE K (324) · None (193) · USPC 244/139 (18) · USPC 244/147 (18) · USPC 244/153R (17) · USPC 244/142 (16) · USPC 244/149 (12) · USPC 244/3.23 (11) · USPC 244/53A (10) · USPC 244/144 (7) · 1 (6) · USPC 244/65 (6) · USPC 244/3.1 (6) · USPC 244/63 (5) · USPC 244/138R (5) · USPC 89/1.51 (5) · USPC 244/143 (4) · USPC 244/155R (4) · USPC 244/3.14 (4)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:

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