Drilldown: Patents

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Patents > Tech fields : dirigible or navigation & Grant date: 1900 - 1999

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None (530) · Patent US-1909-970771 (11) · Patent FR-1902-328044 (4) · Patent DE-1909-Wilcke-Graff (4) · Patent US-1906-850616 (4) · Patent US-1903-821393 (4) · Patent FR-1907-377174 (4) · Patent GB-1908-28547 (3) · Patent FR-1899-Boinet (3) · Patent AU-1909-15563 (3) · Patent DE-1907-194166 (3)
Related to aircraft:
Assigned to:
None (670) · Sperry Gyroscope Company (6) · 1 (5) · Tarbox Safety Aircraft Company (3) · Société Antoinette (2) · International Aeronautical Construction Company (2)
National tech categories:
None (160) · FR 6.4 (134) · FR 6.3 (43) · AT 77d (21) · USPC 244/22 (13) · USPC 244/51 (13) · USPC 244/90R (12) · USPC 244/66 (11) · USPC 244/30 (10) · RU Group V (10) · USPC 244/93 (9) · USPC 244/25 (9) · USPC 244/46 (8) · USPC 244/6 (8) · USPC 244/233 (8) · USPC 244/127 (8) · USPC 244/70 (8) · USPC 244/13 (8) · USPC 244/97 (8)
IPCs:
None (358) · IPC B64B1/00 (100) · IPC B64C39/00 (25) · IPC B64B1/58 (25) · IPC B64C23/00 (13) · IPC B64C11/00 (11) · IPC B64C1/00 (11) · IPC CPC B64C13/00 (11) · IPC B64C33/02 (10) · IPC B64B1/62 (10) · IPC B64C3/38 (9) · IPC B64C13/00 (8) · IPC B64B1/40 (7) · IPC B64C33/00 (7) · IPC B64C9/00 (7) · IPC B64C17/00 (7) · IPC B64C3/52 (7) · IPC G01P3/36 (7) · IPC B64C3/00 (5)
CPCs:
None (152) · CPC B64B1/00 (122) · CPC B64C13/00 (41) · CPC B64C23/005 (35) · CPC B64B1/58 (28) · CPC B64C33/02 (24) · CPC B64C2700/6295 (22) · CPC B64C39/005 (21) · CPC B64C17/00 (18) · CPC B64C3/385 (16) · CPC B64B1/62 (13) · CPC B64B1/40 (13) · CPC B64C9/00 (13) · CPC B64C39/00 (12) · CPC B64C3/52 (10) · CPC B64C39/08 (9) · CPC B64C11/001 (8) · CPC B64C27/82 (8) · CPC G01P3/36 (8)
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Citations from after 1930:
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