Drive means in a boat

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6783410
APP PUB NO 20030139102A1
SERIAL NO

10182667

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Abstract

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Boat propeller drive unit with an underwater housing (5), which is solidly joined to a boat hull and has pulling propellers (15, 16) on the forward facing side of the housing. At the aft edge of the underwater housing, a rudder is mounted, comprising a first rudder blade (22a) mounted in the underwater housing and a second rudder blade (22c) mounted on the aft edge of the first rudder blade.

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Patent Owner(s)

Patent OwnerAddress
VOLVO PENTA ABS-405 08 GOTEBORG

International Classification(s)

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  • 2002 Application Filing Year
  • B63H Class
  • 373 Applications Filed
  • 144 Patents Issued To-Date
  • 38.61 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20022003200420052006200720082009201020110255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Florander, Nils-Ake Hisings Backa, SE 2 19
Hallenstvedt, Oddbjorn Valskog, SE 18 199
Jonsson, Kare Trollhattan, SE 4 32

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Patent Citation Ranking

  • 15 Citation Count
  • B63H Class
  • 71.83 % this patent is cited more than
  • 21 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges91444514101 - 1011 - 2021 - 3031 - 400102030405060708090100110120130140150160

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