Device for treating fluorine-containing water

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9533895
APP PUB NO 20150246827A1
SERIAL NO

14713653

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A device for treating fluorine-containing water includes a fluorine treating unit treating the fluorine-containing water in which calcium carbonate packed towers are arranged in series in a plurality of stages; a fluorine passing unit passing the fluorine-containing water through the fluorine treating unit; an extracting unit extracting treated water from the fluorine treating unit; and a recovery unit recovering calcium fluoride from the calcium carbonate packed towers.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • KURITA WATER INDUSTRIES LTD.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Izawa, Shuhei Tokyo, JP 4 7

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 3, 2024
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 3, 2028
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00