Drilldown: Patents

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Patents > Tech fields : dirigible or None & Number of figures: 3-5

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None (463) · Seine (12) · Paris (5) · Canton of Zurich (4) · London (4) · Pennsylvania (3) · California (2) · Texas (2) · Kappel (2) · Copenhagen (2) · Rhône (2) · Queens county (2) · Chicago (2) · NY (2) · Alabama (2)
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None (430) · Patent BE-1910-12-28-Muehter (3) · Patent US-1911-1032812 (3) · Patent BE-1909-219377 (3) · Patent DE-1911-258741 (2) · Patent NZ-1909-25865 (2) · Patent GB-1910-5908 (2) · Patent FR-1904-342610 (2) · Patent GB-1910-5703 (2) · Patent BE-1912-09-16-Bonnot (2) · Patent BE-1912-04-05 (2) · Patent BE-1912-03-16-Toussaint-Lepere (2) · Patent BE-1912-02-07-Gramaticesco (2) · Patent GB-1908-28547 (2) · Patent US-1912-1077892 (2) · Patent US-1912-1080531 (2)
Related to aircraft:
National tech categories:
None (199) · FR 6.4 (151) · USPC 244/45R (10) · FR 6.3 (10) · USPC 244/233 (8) · DE 77 (8) · DE 77h.5 (8) · USPC 244/80 (6) · USPC 244/22 (5) · USPC 244/144 (5) · AT 77d (5) · USPC 244/90R (4) · USPC 244/48 (4) · USPC 244/6 (4) · DE 77h.7 (4)
IPCs:
None (204) · IPC B64C39/00 (45) · IPC B64C23/00 (31) · IPC B64B1/00 (27) · IPC B64C1/00 (24) · IPC B64C3/38 (24) · IPC B64C17/00 (23) · IPC B64C3/00 (22) · IPC B64C33/02 (18) · IPC B64C13/00 (14) · IPC B64C35/00 (14) · IPC B64C3/54 (7) · IPC B64C33/00 (7) · IPC B64C5/04 (7) · IPC B64C25/00 (5) · IPC B64C27/04 (5) · IPC B64C9/00 (4) · IPC B64C11/00 (4) · IPC B62C5/04 (4)
CPCs:
None (47) · CPC B64C2700/6295 (47) · CPC B64C23/005 (44) · CPC B64C17/00 (38) · CPC B64B1/00 (34) · CPC B64C3/385 (31) · CPC B64C39/00 (31) · CPC B64C33/02 (25) · CPC B64C2700/6274 (24) · CPC B64C3/00 (23) · CPC B64C13/00 (22) · CPC B64C39/08 (17) · CPC B64C35/00 (15) · CPC B64C2700/6218 (14) · CPC B64C2700/6235 (12) · CPC B64C39/005 (11) · CPC B64C33/00 (10) · CPC B64C2700/6233 (10) · CPC B64C2700/6256 (10)
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