Drainage unit having a quilt exterior

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United States of America Patent

PATENT NO 9365993
SERIAL NO

14329960

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A substantially cylindrical drainage unit for use when buried in soil as part of a wastewater leach field comprises a first plastic aggregate mass that is contained within netting, with an optional central perforated pipe. A segmented quilt comprises the exterior surface of the drainage unit which is in contact with soil. Pebble aggregate that is smaller in particle size than the first aggregate is contained with the cavities of the quilt segments. Quilts having different segment shapes and sizes are manufactured by specialized apparatus which creates rectilinear or serpentine seams.

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Patent Owner(s)

Patent OwnerAddress
INFILTRATOR WATER TECHNOLOGIES LLC4 BUSINESS PARK RD OLD SAYBROOK CT 06475

International Classification(s)

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  • 2014 Application Filing Year
  • E02B Class
  • 257 Applications Filed
  • 218 Patents Issued To-Date
  • 84.83 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holbrook, Paul R Old Saybrook, US 43 471
Moore,, Jr Roy E Killingworth, US 27 187
Swistak, Daniel Newmarket, US 3 10

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Patent Citation Ranking

  • 5 Citation Count
  • E02B Class
  • 25.57 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4511893101 - 1011 - 2021 - 3031 - 400102030405060708090100110120130

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 14, 2027