Drilldown: Patents

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Patents > Office : BE or GB or NL & Applicant is inventor: Yes & Patent agent : Biebuyck or Dupont et Elluin or None & CPCs : CPC B64C13/00 or CPC B64C39/005 or None

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Office: (Click arrow to add another value)
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Tech fields:
None (1058) · LTA (107) · propulsion (88) · Airplane (84) · navigation (47) · frame (36) · stability (33) · balloon (32) · propeller (31) · design (30) · propellers (28) · rudder (27) · control (23) · wings (22) · safety (20) · hybrid (19) · parachute (19) · whole (19) · subsystem (18) · flapping (16)
Application number:
None (1390)
Granted:
Supplementary to patent:
None (1348) · Patent BE-1907-199348 (16) ·   (10) · Patent BE-1909-214032 (4) · Patent FR-1913-467415 (2) · Patent BE-1910-225558 (2) · Patent GB-1885-339 (2) · Patent GB-1886-8051 (2)
Related to aircraft:
Patent agent: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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