Pushable frame with generators that convert kinetic energy into electric energy

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8881852
SERIAL NO

13380887

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pushable frame includes a plurality of wheels to allow maneuvering due to a rolling motion of one or more wheels. A power generator is operatively connected to the wheels such that kinetic motion of the wheels caused by the frame being pushed or pulled by the user is converted into electric energy. A speed regulator is operatively connected with the plurality of wheels and the power generator such that a rolling speed of one or more wheels is controlled based on a rolling condition of the one or more wheels.

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Patent Owner(s)

Patent OwnerAddress
WOOSUNG TECH CO LTD20 GONGDAN4-RO 5 GIL JILLYANG-EUP GYEONGSAN-SI GYEONGSANGBUK-DO 712-837

International Classification(s)

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  • 2010 Application Filing Year
  • A61H Class
  • 313 Applications Filed
  • 223 Patents Issued To-Date
  • 71.25 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20102011201220132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Seong-yoon Daegu, KR 6 53

Cited Art Landscape

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Patent Citation Ranking

  • 4 Citation Count
  • A61H Class
  • 6.85 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1512550175221201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 90100 +0102030405060708090100110120130140

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11.5 Year Payment $7400.00 $3700.00 $1850.00 May 11, 2026