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Class Information
Number: 405/270
Name: Hydraulic and earth engineering > Earth treatment or control > Impermeabilization
Description: Method or apparatus wherein a structure is applied to an earth formation to make the same resistant to the flow of liquids.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8622654 Geomembrane anchor system Jan. 7, 2014
8585328 Underground filling and sealing method Nov. 19, 2013
8387307 Vegetation base soil and a method for growing vegetation on a sloped surface Mar. 5, 2013
8388266 Apparatus for and methods of stabilizing a leaking dam or levee Mar. 5, 2013
8277145 Engineered, scalable underground storage system and method Oct. 2, 2012
8272811 Process for grouting a curtain with polymer Sep. 25, 2012
8267170 Offset barrier wells in subsurface formations Sep. 18, 2012
8256994 Biosealing Sep. 4, 2012
7856767 Crawlspace encapsulation and drainage system Dec. 28, 2010
7806631 Underground filling and sealing method Oct. 5, 2010
7699562 Liner assembly for a sand trap Apr. 20, 2010
7500806 Method and apparatus for constructing filter zones in earthfill dams Mar. 10, 2009
7374371 Process and composition for forming an earthen hardpan May. 20, 2008
7306406 Method of using anionic copolymer formulations for seepage control Dec. 11, 2007
7156580 Interlockable drainage system Jan. 2, 2007
7083358 Aquatic weed suppressor Aug. 1, 2006
7077198 In situ recovery from a hydrocarbon containing formation using barriers Jul. 18, 2006
7032660 In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation Apr. 25, 2006
6974278 Thermo-structural base for construction on unstable soils Dec. 13, 2005
6957932 Benthic screen for controlling aquatic plant growth Oct. 25, 2005
6955502 Method for repairing in-ground tunnel structures Oct. 18, 2005
6926469 Crawlspace encapsulation system with resealable access openings Aug. 9, 2005
6869256 Sealing composition and its use Mar. 22, 2005
6860680 Waste containment and processing facilities formed contemporaneously with the disposal of mineral refuse, and related methods Mar. 1, 2005
6857824 Sealing composition and its use Feb. 22, 2005
6840710 Underground alluvial water storage reservoir and method Jan. 11, 2005
6837655 Submersible canal bypass Jan. 4, 2005
6821059 Polyurethane-forming composition with adjustable mix viscosity, geotextile composites prepared therefrom and a process for producing such composites Nov. 23, 2004
6802805 Method for recombining soil Oct. 12, 2004
6786680 Process for patching canals and ditches with a non-sagging polyurethane composition Sep. 7, 2004
6755596 Plastic lined canal Jun. 29, 2004
6722818 Ditch liner system Apr. 20, 2004
6691472 Foundation wall protector Feb. 17, 2004
6612779 Embankment dam and waterproofing method Sep. 2, 2003
6575666 Crawlspace encapsulation system Jun. 10, 2003
6558080 Methods and compact apparatus for covering landfill May. 6, 2003
6543968 Submersible canal bypass Apr. 8, 2003
6409818 Disposable water resistant foamed concrete cover for bulk salt Jun. 25, 2002
6303204 Earthen liner with clay seam cover Oct. 16, 2001
6270291 Method for applying plastic soil mulch Aug. 7, 2001
6264400 Dispenser for material on a roll Jul. 24, 2001
6250848 Process for guidance, containment, treatment, and imaging in a subsurface environment utilizing ferro-fluids Jun. 26, 2001
6241426 Method for forming an interconnected underground structure Jun. 5, 2001
6238137 Containment system for spills May. 29, 2001
6238766 Moisture barrier protection system and method May. 29, 2001
6197398 Earthen liner with clay seam cover Mar. 6, 2001
6139663 Structure forming method, apparatus and product Oct. 31, 2000
6102617 Impoundment leak detection, location, and containment system and method with mobile sensor Aug. 15, 2000
6095720 Stabilized fluid barrier member and method of forming same Aug. 1, 2000
6074132 Lining for a landfill site Jun. 13, 2000

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