Drilldown: Patents

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Patents > Applicant type: INDIV & Tech fields : Airplane or propeller & Family year: 1900 - 1999

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Inventor country:
FR (1000) · US (529) · DE (229) · GB (182) · HU (90) · BE (84) · IT (81) · AT (79) · RU (42) · None (36) · AU (32) · CA (25) · CH (24) · RO (18) · NL (15) · DZ (10) · NZ (9) · NO (9) · VN (8) · MX (7)
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Assigned to:
None (2443) · 1 (9) · Sperry Gyroscope Company (2)
IPCs:
None (1059) · IPC B64C17/00 (245) · IPC B64C1/00 (209) · IPC B64C39/00 (164) · IPC B64C3/38 (66) · IPC B64C3/00 (62) · IPC B64C23/00 (58) · IPC B64C13/00 (54) · IPC B64C25/00 (43) · IPC B64B1/00 (37) · IPC B64C11/00 (35) · IPC B64C35/00 (32) · IPC B64C17/06 (30) · IPC B64C3/54 (28) · IPC B64C3/52 (26) · IPC B64C33/02 (24) · IPC B64C27/04 (21) · IPC B64C3/56 (20) · IPC B64C33/00 (19) · IPC B64D17/00 (17)
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Citations from after 1930:
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