Drilldown: Patents

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Patents > Related to aircraft: .5 & Assigned to: None & Number of text pages: 2-3

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Office:
Inventors:
Edward Smethurst (2)
Inventor country:
Applicant person:
Edward Smethurst (2)
Applicant type:
Applicant is inventor:
Tech fields:
marine (6) · marine propeller (5) · windmill (4) · marine propulsion (4) · None (2) · projectile (2) · propeller (2) · attachment (2) · Propulsion (2) · hydrogen (2) · speed (2) · control (2) · water-wheels (2) · paddle-wheel (2)
Full specification filed date:
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Related to aircraft: (Click arrow to add another value)
Assigned to: (Click arrow to add another value)
National tech categories:
None (20) · USPC 416/113 (3)
CPCs:
CPC B64C27/54 (9) · CPC B64C11/006 (6) · None (4) · CPC Y02E10/72 (3) · CPC B64C11/48 (3) · CPC F05B2260/74 (3) · CPC Y02E10/20 (3) · CPC B63H1/04 (2) · CPC B63H1/12 (2) · CPC B64C29/0033 (2) · CPC Y02E10/74 (2) · CPC B64C11/346 (2) · CPC F03D3/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
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