Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Applicant person: None & Tech fields : Airship or propulsion

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Office:
Inventors:
None (23) · Erik Emanuel Lindkvist (6) · André Gambin (5) · Augusto Severo (3) · Hippolyte Louis Malécot (3) · Antoine-Padoue Filippi (3) · Josef Homola (3) · William Henry Fauber (2) · Louis Bréguet (2) · Edoardo Del Vitto fu Emanuele (2) · Edoardo Del Vitto (2) · Joseph Maes (2) · Burrell Cannon (2) · Harvey B. van Voorhis (2) · Simon Brubaker Minnich (2) · Wilhelm Jakob Hoffmann (2) · Harry Martin Middleton (2) · Alfred K. R. A. Krakow (2)
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Patent agent:
None (92) · Marks & Clerk (3) · 0 (2) · Émile Klotz (2) · L. Chassevent (2) · Léon Francken (2) · Boult, Wade & Tennant (2) · Armengaud jeune (2) · Abel & Imray (2) · Weismann et Marx (2) · Haseltine, Lake & Co. (2)
National tech categories:
None (38) · IT 8 (21) · AT 77d (11) · FR 6.4 (11) · DE 77h (6) · DE 77h.6 (4) · HU V/h (4) · DE 77h.15 (3) · DK 65 (2) · USPC 416/108 (2) · DE 77h.4 (2) · USPC 244/28 (2) · DE 77h.10 (2) · FR 6.2 (2) · FR 6.3 (2) · FR 5.3 (2) · AU 90.5 (2) · USPC 244/66 (2) · USPC 416/52 (2) · AU 90.3 (2)
CPCs:
None (93) · CPC B64B1/00 (7) · CPC B64C23/005 (3) · CPC B64C11/006 (2) · CPC B64D35/04 (2) · CPC B64B1/58 (2) · CPC B64C27/54 (2)
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Citations from after 1930:
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