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Class Information
Number: 405/129.6
Name: Hydraulic and earth engineering > Subterranean waste disposal, containment, or treatment > Waste barrier, containment, or monitoring > Floor, pit, or wall
Description: Subject matter providing a waste containing barrier (natural or artificial) which prevents or inhibits the undesirable association of the waste, waste site, or products of the waste with elements below or beside the waste or waste site.










Sub-classes under this class:

Class Number Class Name Patents
405/129.75 Flexible sheet or liner 63
405/129.8 Rigid sectional members 47
405/129.7 With drainage or collection 101
405/129.65 With treatment 51


Patents under this class:
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Patent Number Title Of Patent Date Issued
8622654 Geomembrane anchor system Jan. 7, 2014
8277145 Engineered, scalable underground storage system and method Oct. 2, 2012
7574834 Above ground water storage system and method Aug. 18, 2009
7037040 Method for the placement of subterranean electrodes May. 2, 2006
7014391 Portable environmental containment system Mar. 21, 2006
6860680 Waste containment and processing facilities formed contemporaneously with the disposal of mineral refuse, and related methods Mar. 1, 2005
6758634 Subsurface materials management and containment system Jul. 6, 2004
6742962 Infiltration and gas recovery systems for landfill bioreactors Jun. 1, 2004
6368019 Method for soil remediation Apr. 9, 2002
6361249 Negative air pressure cover Mar. 26, 2002
6338596 Waste collection device Jan. 15, 2002
6315495 Portable environmental containment system Nov. 13, 2001
6283676 Sequential aerobic/anaerobic solid waste landfill operation Sep. 4, 2001
6213685 Mechanical boot system Apr. 10, 2001
6095720 Stabilized fluid barrier member and method of forming same Aug. 1, 2000
6074132 Lining for a landfill site Jun. 13, 2000
6071043 System for securing landfills Jun. 6, 2000
6056477 Waste disposal site May. 2, 2000
6039504 Process and apparatus for the treatment of waste Mar. 21, 2000
5980155 Composite geosynthetics and methods for their use Nov. 9, 1999
5980446 Methods and system for subsurface stabilization using jet grouting Nov. 9, 1999
5961437 Multi-layer waste containment barrier Oct. 5, 1999
5957624 Apparatus and method for in Situ installation of underground containment barriers under contaminated lands Sep. 28, 1999
5836390 Method for formation of subsurface barriers using viscous colloids Nov. 17, 1998
5820298 Seamless landfill sump Oct. 13, 1998
5816748 Method for sealing off ground sites Oct. 6, 1998
5791825 Device and method for producing a containment barrier underneath and around in-situ buried waste Aug. 11, 1998
5788413 Geocomposite membrane Aug. 4, 1998
5788422 Underground barrier construction apparatus with soil-retaining shield Aug. 4, 1998
5765965 Apparatus for in situ installation of underground containment barriers under contaminated lands Jun. 16, 1998
5701692 Containment wall installation process and apparatus Dec. 30, 1997
5685668 Barrier wall installation system Nov. 11, 1997
5620778 Clay type liquid-resistant protective layer Apr. 15, 1997
5601906 Geosynthetic barrier to prevent wildlife access to contaminated sediments Feb. 11, 1997
5599139 Method of constructing a liner system and waste containment facility incorporating same Feb. 4, 1997
5570974 Assembly for monitoring a landfill and a method of locating leaks Nov. 5, 1996
5544976 Puncture protection geo mat for a landfill system Aug. 13, 1996
5542782 Method and apparatus for in situ installation of underground containment barriers under contaminated lands Aug. 6, 1996
5533833 Bulk backfill in situ liner for hard rock environment Jul. 9, 1996
5416257 Open frozen barrier flow control and remediation of hazardous soil May. 16, 1995
5415496 Stabilization of pre-existing landfills May. 16, 1995
5374139 Process for producing a sealing for waste dumps and the like Dec. 20, 1994
5370478 Process for isolating contaminated soil Dec. 6, 1994
5354149 In-ground barrier system with pass-through Oct. 11, 1994
5350255 Geosynthetic clay liner with modified edges for improved sealing Sep. 27, 1994
5288168 Method and apparatus for lining outdoor fluid containment areas to facilitate electrical leak detection Feb. 22, 1994
5277520 Grid composite for backfill barriers and waste applications Jan. 11, 1994
5261766 Vertical bore hole system and method for waste storage and energy recovery Nov. 16, 1993
5258217 Landfill liner Nov. 2, 1993
5248220 Protective liner system having improved leak detection means Sep. 28, 1993

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