Drilldown: Patents

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Patents > Inventor location: None & Tech fields: flapping & Number of figures: 7-30

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Office:
Inventors:
Hermann Hassenbach (5) · Ruter William Springer (4) · Félix Michau (4) · Ludwig Schmidl (3) · Franz Xaver Wels (3) · Franz Wondra (3) · Konstantin Danilewsky (3) · Hermann John Reiche (3) · Jules Materne (3)
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Applicant person:
None (20) · Hermann Hassenbach (5) · Felix Michau (4) · Ruter William Springer (4) · Ludwig Schmidl (3) · Jules Materne (3) · Hermann John Reiche (3) · Franz Xaver Wels (3) · Franz Wondra (3) · Gustav Lilienthal (2) · Fritz Alexander Jone (2) · Firmin Bousson (2) · Ferdinand Lanz (2) · Eduard Adamek (2) · William Francis Dugins (2) · Walter Villa Gilbert (2) · John Emery Harriman, Jr. (2) · Alfred Albert Strougler (2) · Henry Shepley Booth (2)
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Application number:
None (47)
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Related to aircraft:
Patent agent:
None (45) · Munn & Co. (4) · Armengaud jeune (3) · H. C. Evert & Co. (3) · C. A. Snow & Co. (2) · Ed. Wolf (2) · Schwab (2) · Brandon frères (2)
National tech categories:
FR 6.4 (23) · None (19) · USPC 244/22 (15) · HU V/h (7) · AT 77d (7) · USPC 244/28 (6) · DE 77h.10 (5) · USPC 244/11 (4) · USPC 244/64 (4) · USPC 244/72 (4) · GB 4 propel & steer (3) · DE 77 (3) · USPC 244/20 (2) · USPC 244/35R (2) · RU Group V (2) · GB 4 without buoyant (2) · DE 77h (2) · GB 4 framework (2)
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Citations from after 1930:
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