Drilldown: Patents

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Patents > Assigned to: None & Number of diagram pages: 2-7 & Number of figures: 7-9

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Tech fields:
None (177) · Airplane (168) · Frame (120) · propulsion (97) · stability (91) · LTA (91) · navigation (70) · design (64) · propeller (61) · rudder (56) · control (51) · Construction (46) · flapping (45) · wings (40) · Propellers (38) · hybrid (36) · marine (35) · wheels (31) · whole (31)
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Supplementary to patent:
None (561) · Patent US-1913-1087946 (3) · Patent US-1910-984076 (3) · Patent US-1909-970771 (3) · Patent GB-1903-27212 (3) · Patent GB-1908-4519 (3) · Patent DE-1907-217533 (3)
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IPCs:
None (379) · IPC B64C39/00 (41) · IPC B64C17/00 (38) · IPC B64B1/00 (32) · IPC B64C1/00 (27) · IPC B64C23/00 (17) · IPC B64C3/38 (16) · IPC B64C11/00 (14) · IPC B64C33/02 (13) · IPC B64C33/00 (12) · IPC B64C35/00 (10) · IPC B64C27/04 (9) · IPC B64C3/00 (9) · IPC B64C13/00 (8) · IPC B64C3/54 (6) · IPC B64C17/06 (5) · IPC B64C13/04 (5) · IPC CPC B64C13/00 (5) · IPC B64B1/58 (5) · IPC B64B1/40 (5)
First filing:
Cites these patents:
None (709)
Citations from after 1930:
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