Double flexible keel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20050172878A1
SERIAL NO

10510194

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Water Craft or amphibious vehicle, includes a hull fitted with at least one elongate longitudinal keel; which may be extruded from natural or synthetic rubber. The keel has base, and at least two dependent keel members, which in steady state conditions slant downwards to port and starboard. If the keel is grounded, keel members deform elastically upwards against the base, absorbing shock. Keel members can be pushed down by water pressure, acting as dependent keels or. This may occur when cornering, or when planing. Stops act against stops on the base, so that when keel member is pushed downwards by water pressure, it cannot be forced beyond vertically dependent position. Alternatively, discrete keels may be provided on either side of the hull.

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Patent Owner(s)

Patent OwnerAddress
GIBBS TECHNOLOGIES LIMITEDMURDOCH HOUSE SOUTH QUAY DOUGLAS ISLE OF MAN IMI 5AS

International Classification(s)

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  • 2004 Application Filing Year
  • B63B Class
  • 388 Applications Filed
  • 146 Patents Issued To-Date
  • 37.63 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200420052006200720082009201020112012201320140255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jenkins, Neil Graham Warwickshire, GB 17 64

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Patent Citation Ranking

  • 1 Citation Count
  • B63B Class
  • 7.20 % this patent is cited more than
  • 20 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges17163496101 - 1011 - 2021 - 3031 - 400102030405060708090100110120130140150160170180

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