Drilldown: Patents

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Patents > Applicant firm: None & Number of text pages: 3 & Number of figures: 2-4

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Inventor location:
None (643) · Budapest (10) · Seine (4) · Seine-et-Oise (4) · Nord (4) · England (3) · London (3)
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Supplementary to patent:
None (498) · Patent BE-1912-02-07-Gramaticesco (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1916-502839 (3) · Patent DE-1908-232250 (3) · Patent CH-1910-54251 (3) · Patent CH-1910-52044 (3) · Patent CH-1907-41855 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent AT-1913-59404 (3) · Patent DE-1911-258741 (3)
Related to aircraft:
National tech categories:
None (281) · FR 6.4 (213) · HU V/h (36) · USPC 244/90R (8) · CH 129b (8) · FR 6.3 (7) · USPC 244/6 (6) · USPC 244/45R (6) · USPC 244/22 (6) · USPC 244/80 (5) · DE 77h.5 (5) · USPC 244/63 (5) · FR 5.8 (4) · USPC 244/48 (4) · USPC 244/93 (4) · USPC 244/233 (4) · USPC 244/25 (4) · USPC 244/28 (4) · FR 20.1 (4)
IPCs:
None (276) · IPC B64C39/00 (52) · IPC B64C17/00 (52) · IPC B64C1/00 (47) · IPC B64B1/00 (26) · IPC B64C13/00 (25) · IPC B64C23/00 (20) · IPC B64C11/00 (17) · IPC B64C3/38 (15) · IPC B64C33/02 (11) · IPC B64C35/00 (11) · IPC B64C3/54 (9) · IPC B64C27/04 (8) · IPC B64C17/06 (8) · IPC B64B1/58 (7) · IPC B64C11/36 (7) · IPC B64C33/00 (7) · IPC B64C3/00 (6) · IPC B64C25/00 (6) · IPC B64B1/62 (6)
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Citations from after 1930:
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