Hydraulic drive system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7516613
APP PUB NO 20060156713A1
SERIAL NO

11291753

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Abstract

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A hydraulic drive system for an actuator uses a pair of pressure compensated hydraulic machines to control flow to and from the drive chambers of the actuator by varying the controlled pressure of one of the machines. The machines are mechanically coupled to permit energy recovery and charge an accumulator to store supplies energy. The drive system may be combined with other services including a transmission for incorporation in a vehicle. The transmission uses a pressure compensated supply and torque control of the wheels.

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Patent Owner(s)

  • CONCENTRIC ROCKFORD INC.

International Classification(s)

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  • 2005 Application Filing Year
  • F15B Class
  • 226 Applications Filed
  • 108 Patents Issued To-Date
  • 47.79 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2005200620072008200920102011201220130255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kadlicko, George Rockford, US 30 331

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Patent Citation Ranking

  • 30 Citation Count
  • F15B Class
  • 95.85 % this patent is cited more than
  • 16 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1014233421101 - 1011 - 2021 - 3031 - 4041 - 5061 - 700102030405060708090100110120130140150

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