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Class Information
Number: 405/129.7
Name: Hydraulic and earth engineering > Subterranean waste disposal, containment, or treatment > Waste barrier, containment, or monitoring > Floor, pit, or wall > With drainage or collection
Description: Subject matter providing for (1) the gradual outflow or (2) the gathering of any fluids or waste products that accumulate or come to exist within or near the waste containment area.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5246310 Process for producing a landfill Sep. 21, 1993
5206067 Landfill gas capping liner system Apr. 27, 1993
5201609 Cellular landfill process and apparatus Apr. 13, 1993
5199816 System for isolating a dump Apr. 6, 1993
5197824 System for protecting ground water under a dump Mar. 30, 1993
5183355 Method of draining water through a solid waste site without leaching Feb. 2, 1993
5180251 Underground protection underneath a dump Jan. 19, 1993
5114274 Sewage tank system and method of construction May. 19, 1992
5092709 Landfill site with leachate collection Mar. 3, 1992
5080528 Method and apparatus for impounding fluids Jan. 14, 1992
5078543 Storage system for solid waste material Jan. 7, 1992
5054961 Onsite soil treatment process Oct. 8, 1991
5030034 Soil pollution monitoring system and apparatus Jul. 9, 1991
5000618 Method to prevent clogging of geotextiles and geonets Mar. 19, 1991
4973195 Storage facility for hazardous waste and the like Nov. 27, 1990
4973196 Process for the intermediate sealing of dumps Nov. 27, 1990
4966492 Flexible sealing sheet Oct. 30, 1990
4950106 Method and apparatus for installation of an underground seal beneath a garbage dump Aug. 21, 1990
4936706 Process for the treatment of stockpile material, containers for stockpile material, in particular for carrying out this process, as well as a releasable roof for containers for stockpile mater Jun. 26, 1990
4916937 Pressure barrier liner Apr. 17, 1990
4908129 Impervious layer formation process and landfill adsorption system Mar. 13, 1990
4877358 Method and apparatus of constructing a novel underground impervious barrier Oct. 31, 1989
4844813 System and process for treatment of biodegradable waste Jul. 4, 1989
4815963 Drainage mat with high crushing strength and waste-dump base containing said mat Mar. 28, 1989
4810131 Landfill leachate collection and leak detection sump system Mar. 7, 1989
4768897 Covering for waste depositories Sep. 6, 1988
4753551 Sealing screen for waste dumps Jun. 28, 1988
4745850 Diffusive venting of soil contaminated with volatile compounds May. 24, 1988
4741644 Environmental cut-off and drain May. 3, 1988
4728222 Arrangement for collecting seepage water from depositories Mar. 1, 1988
4697954 Basemented floor structure for a waste dump Oct. 6, 1987
4696599 Secure landfill and method of operating a landfill for hazardous waste Sep. 29, 1987
4687372 Toxic waste drain system and method Aug. 18, 1987
4678582 Treatment system for landfill leachate Jul. 7, 1987
4678375 Covering or liner system and method for constructing the same Jul. 7, 1987
4678369 Method and arrangement for sealing off dumps to prevent seepage Jul. 7, 1987
4624604 Groundwater protection system Nov. 25, 1986
4580925 Pervious surround method of waste disposal Apr. 8, 1986
4543013 Groundwater protection system Sep. 24, 1985
4543016 Underground leachate barrier and method of making same Sep. 24, 1985
4526615 Cellular heap leach process and apparatus Jul. 2, 1985
4469176 Landfill gas recovery system and method with pressure symmetry Sep. 4, 1984
4464081 Process and structure for storing and isolating hazardous waste Aug. 7, 1984
4451173 Storage pond May. 29, 1984
4448690 Subsurface waste disposal system May. 15, 1984
4430021 Secure chemical waste landfill Feb. 7, 1984
4362434 Permanent disposal vault for hazardous chemical waste materials Dec. 7, 1982
4358221 System for pollution control Nov. 9, 1982
4352601 Permanent bin for temporary storage of hazardous materials Oct. 5, 1982
4335978 Induced intragradient system for secure landfill Jun. 22, 1982

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