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Patents > Tech fields: Flapping & Number of figures: 5-50

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Office:
Inventors:
None (6) · Hermann Hassenbach (5) · Stefan Hunyor de Visoly (4) · Félix Michau (4) · Franz Xaver Wels (4) · Ruter William Springer (4) · Ludwig Schmidl (3) · Konstantin Danilewsky (3) · Jules Materne (3) · Henry Mesinger (3) · Hermann John Reiche (3) · Franz Wondra (3)
Inventor country:
Applicant person:
None (35) · Hermann Hassenbach (5) · Felix Michau (4) · Ruter William Springer (4) · Franz Xaver Wels (4) · Franz Wondra (3) · Ludwig Schmidl (3) · Henry Mesinger (3) · Stefan Hunyor de Visoly (3) · Hermann John Reiche (3) · Jules Materne (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (73) · 371992D (2)
Granted:
Supplementary to patent:
None (125) · Patent SE-1906-23283 (4) · Patent FR-1908-407411 (3) · Patent SE-1906-25199 (3) · Patent HU-1904-31053 (3) · Patent US-1916-1208684 (3) · Patent AT-1912-75092 (3) · Patent FR-1911-429078 (2) · Patent US-1904-876125 (2) · Patent RU-1897-3845 (2) · Patent AT-1912-63049 (2) · Patent FR-1899-292828 (2) · Patent DE-1913-287314 (2) · Patent DE-1909-244441 (2) · Patent US-1909-1137533 (2) · Patent US-1909-940701 (2) · Patent CH-1905-33302 (2)
Related to aircraft:
Patent agent:
None (64) · Munn & Co. (11) · Armengaud jeune (4) · H. C. Everett Co. (3) · None (3) · C. Blétry (3) · Schwab (3) · Boult, Wade & Tennant (3) · Brandon frères (3) · Franklin H. Hough (2) · Ed. Wolf (2) · F. N. Gillent (2) · Charles Assi (2) · Frank Briesen (2) · C. A. Snow & Co. (2) · E. Blum & Co. (2) · Victor J. Evans (2) · Lavoix et Mosès (2) · H. Bœttcher fils (2)
National tech categories:
FR 6.4 (38) · None (25) · USPC 244/22 (20) · USPC 244/28 (12) · HU V/h (12) · AT 77d (11) · USPC 244/64 (9) · USPC 244/72 (8) · USPC 244/11 (6) · DE 77h.10 (6) · DE 77 (4) · DE 77h (3) · DK 77 (3) · GB 4 propel & steer (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 190 results in range #1 to #190.

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