Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Applicant firm: None & Tech fields : Airship or propeller or safety

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Supplementary to patent:
None (541) · Patent GB-1909-12556 (7) · Patent DE-1913-301564 (6) · Patent US-1910-1011683 (6) · Patent US-1913-1087946 (5) · Patent FR-1912-450892 (5) · Patent DE-1909-Wilcke-Graff (4) · Patent FR-1912-449070 (4) · Patent GB-1911-5162 (4) · Patent DE-1912-279343 (4) · Patent FR-1909-410140 (4) · Patent FR-1908-405961 (3) · Patent FR-1913-472867 (3) · Patent GB-1908-13809 (3) · Patent FR-1913-450892.17436 (3) · Patent AT-1909-12-31 Vigilio Baldo (3) · Patent US-1909-1010443 (3) · Patent DE-1909-02-25 Hugo Erdmann (3)
Related to aircraft:
IPCs:
None (439) · IPC B64B1/00 (40) · IPC B64C39/00 (25) · IPC B64D17/00 (16) · IPC B64B1/58 (15) · IPC B64C11/00 (14) · IPC B64C17/00 (12) · IPC B64C11/16 (10) · IPC B64C23/00 (9) · IPC B64C1/00 (7) · IPC B64C27/00 (7) · IPC B64C33/00 (6) · IPC B64B1/60 (5) · IPC B64B1/62 (5) · IPC A41D31/00 (5) · IPC B64D17/54 (5) · IPC B64C13/00 (5)
CPCs:
None (184) · CPC B64B1/00 (66) · CPC B64C23/005 (35) · CPC B64C2700/6295 (25) · CPC B64C17/00 (22) · CPC B64C11/006 (19) · CPC B64B1/58 (18) · CPC B64D17/00 (15) · CPC B64C39/08 (15) · CPC B64C33/02 (14) · CPC B64C39/005 (14) · CPC B64C39/00 (13) · CPC B64C13/00 (12) · CPC B64B1/62 (11) · CPC B64C11/48 (10) · CPC B64C11/16 (10) · CPC B64B1/40 (9) · CPC B64C33/00 (9)
First filing:
Citations from after 1930:
Number of diagram pages:

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