Method and apparatus for recovering subsurface free mercury and decontaminating a substrate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9381552
SERIAL NO

14208870

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method for preparing a contaminated structure comprising particulates for collection of one or more liquid contaminants, including:

    drilling one more bore holes through the contaminated structure using one or more drill rods that remain within the bore hole;attaching a horizontal soil cutting blade to one end of the one or more drill rods, wherein the horizontal soil cutting blade comprises a cutting portion and a non-cutting portion, and wherein the non-cutting portion has attached thereto an impermeable geotextile;retrieving the one or more drill rods from the bore hole such that the cutting portion of the horizontal soil cutting blade is drawn through the contaminated structure creating a void therein, and such that the impermeable geotextile is drawn through the void; andintroducing a contaminant collection apparatus at or along one edge of the impermeable geotextile, such that an upper surface of the impermeable geotextile is in fluid communication with the contaminant collection apparatus.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PERMA-FIX ENVIRONMENTAL SERVICES INC8302 DUNWOODY PLACE SUITE 250 ATLANTA GA 30350

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Centofanti, Daniel Dawsonville, US 1 0
Centofanti, Louis Atlanta, US 3 8
Edwards, Gregory Knoxville, US 42 400

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 5, 2028
Fee Large entity fee small entity fee micro entity fee
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