Drilldown: Patents

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Patents > Related to aircraft : .5 or rudder & Number of text pages: 2-3

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Office:
Inventors:
Edward Smethurst (2)
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Applicant person:
Edward Smethurst (2)
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Applicant is inventor:
Tech fields:
marine (6) · windmill (5) · marine propulsion (4) · marine propeller (4) · None (2) · propeller (2) · paddle-wheel (2) · attachment (2) · Propulsion (2) · hydrogen (2) · speed (2) · projectile (2) · water-wheels (2) · control (2)
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National tech categories:
None (21) · USPC 416/113 (3) · USPC 416/98 (2)
CPCs:
CPC B64C27/54 (10) · CPC B64C11/006 (6) · None (4) · CPC Y02E10/72 (4) · CPC F05B2260/74 (3) · CPC F03D3/00 (3) · CPC Y02E10/20 (3) · CPC B64C11/346 (3) · CPC Y02E10/74 (3) · CPC F03D1/00 (2) · CPC B64C29/0033 (2) · CPC B64C11/48 (2) · CPC B63H1/04 (2)
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Citations from after 1930:
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