Drilldown: Patents

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Patents > Office : GR or US & Applicant firm: None & National tech categories : USPC 244/80 or None

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Office: (Click arrow to add another value)
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Applicant is inventor:
Tech fields:
None (1409) · propeller (74) · stability (66) · airplane (62) · Propulsion (59) · LTA (52) · marine (47) · propellers (33) · navigation (28) · frame (28) · windmill (27) · paddle-wheel (24) · construction (21) · military (19) · rudder (19) · helicopter (19) · marine propulsion (18) · wings (16) · design (16) · aerial propeller (15)
Granted:
Supplementary to patent:
None (1920) · 1 (8) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Assigned to:
None (1904) · 1 (29) · Goodyear Tire and Rubber Company (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (1901) · IPC B64C17/00 (16) · 1 (10) · IPC B64C39/00 (9) · IPC B64C3/00 (6) · IPC B64C11/20 (4) · IPC B64C11/04 (3) · IPC B64C35/00 (3) · IPC B64C27/10 (3) · IPC B64C27/04 (3) · IPC B64C23/00 (3)
First filing:
Cites these patents:
None (1953) · 1 (3) · USPC 244/87 (3) · CPC B64B1/00 (3) · USPC 244/26 (2) · USPC 244/48 (2)
Citations from after 1930:

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