Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7357601 | Adaptive coupling and method An adaptive coupling and method for joining a conduit to a barrier sheet through which the conduit passes are disclosed. The barrier sheet is movable axially relative to the conduit. A tubular member and an extensible boot are configured to allow passage of a portio... | 04/15/2008 |
| 7309189 | Fluid distribution and collection in landfills and contaminated sites A fluid injection and removal system to inject or remove fluids from a landfill or contaminated area. The system allows for treatment of waste in the landfill or the contaminated area. The fluid injection and removal system includes a permeable layer and at least on... | 12/18/2007 |
| 7249607 | Landfill conduit servicing systems and methods for servicing landfill conduits Systems, methods, and apparatus for servicing landfill conduits are disclosed. These systems, methods, and apparatus employ structures which facilitate access to and the servicing of buried landfill conduits, for example, one or more buried landfill laterals. In one... | 07/31/2007 |
| 7229559 | Dual-action decontamination method Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 06/12/2007 |
| 7198433 | Landfill design and method for improved landfill gas capture The invention provides an improved method of collecting biogas from a landfill that results in more complete collection of biogas produced in the landfill, and with less contamination with air. The method involves providing the landfill with an upper gas containment... | 04/03/2007 |
| 7192221 | System for preventing seismic liquefaction of ground in urbanized area A system for preventing seismic liquefaction of the ground in an urban area built on reclaimed land consisting of a loose fine grained layer vulnerable to liquefaction underlain with a soft cohesive layer liable to uneven settlement. The system includes a plurality ... | 03/20/2007 |
| 7168888 | Aerobic and anaerobic waste management systems and methods for landfills The invention provides systems and methods for creating, managing and staging aerobic and/or anaerobic landfills. The invention provides systems and methods for collecting liquids from and recirculating liquids into landfills and systems and methods for collecting g... | 01/30/2007 |
| 7153061 | Method of in situ retrieval of contaminants or other substances using a barrier system and leaching solutions Processes and methods relating to treating contaminants and collecting desired substances from a zone of interest using subterranean collection and containment barriers. Tubular casings having interlock structures are used to create subterranean barriers for contain... | 12/26/2006 |
| 7125823 | Methods of making dual-action decontamination media Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 10/24/2006 |
| 7118308 | Multi-planar gas recovery bioreactor A bioreactor including one or more features that improve bioreactor liquid infiltration and gas recovery and having a central core including liquid infiltration piping, a porous gas recovery material including at least one gas collection pipe, and a berm separating ... | 10/10/2006 |
| 7114877 | Drainage system for sports fields An improved system for draining bunkers on golf courses and other sports playing areas, and for draining landscaped areas. A receptacle is positioned below the surface for receiving drain water and for discharging the water through an outlet. A perforated pipe water... | 10/03/2006 |
| 7056058 | Transport corridor drainage systems A drainage structure having perforated parallel top and bottom plates (5 & 6) separated by spacer members (7). A web (15) joins adjacent spacer members (7) and has a curved profile (17) such that water spilling over the web ... | 06/06/2006 |
| 7043887 | Pre-isolated storage tank for cold liquids A storage tank (100) with a pre-insulated outer tank (110) has been described, and a method for building such. For building a wall (112) of an outertank (110), a formwork (90) is erected with an inner partition (92) to which... | 05/16/2006 |
| 7037423 | Method for removal and detoxication of dissolved metals in a rainwater discharge The present invention provides a water treatment apparatus and method for reducing toxicity in zinc containing acid stormwater runoff, the apparatus comprising a first filter layer of high calcium material a last filter layer comprising a drainpipe arrangement embed... | 05/02/2006 |
| 7010896 | Process and apparatus for making corrugated walls There is a description of an apparatus that produces corrugated walls in a continuous manner. Prior to being fed into the apparatus there is a composite consisting of an outer layer of a woven or non-woven material having a layer of a cementitious material thereon. ... | 03/14/2006 |
| 7011475 | Method for preventing seismic liquefaction of ground in urbanized area and facilities used in this method A method of preventing seismic liquefaction of the ground in an urban area built on reclaimed land consisting of a loose fine grained layer vulnerable to liquefaction underlain with a soft cohesive layer liable to uneven settlement comprising pumping out pore water ... | 03/14/2006 |
| 6916136 | Aerobic bioreduction of municipal solid waste landfill mass A process for converting municipal solid waste landfills to aerobic conditions that will allow for a highly accelerated and enhanced bioreduction of landfill mass, followed by the optional excavation of the landfill cell materials subsequent to the bioreduction proc... | 07/12/2005 |
| 6910829 | In situ retreival of contaminants or other substances using a barrier system and leaching solutions and components, processes and methods relating thereto Processes and methods relating to treating contaminants and collecting desired substances from a zone of interest using subterranean collection and containment barriers. Tubular casings having interlock structures are used to create subterranean barriers for contain... | 06/28/2005 |
| 6881010 | Systems for on site treatment and disposal of contaminated soils and sediments A system for the onsite storage, treatment and disposal of contaminated soils and sediments includes a trench that is excavated at the site. The trench is formed with a bottom surface that includes a sump reservoir and a sloped portion oriented to feed liquids into ... | 04/19/2005 |
| 6846131 | Methods and facilities for producing revenue from gypsum-based refuse sites The invention pertains to business methods for enabling the creation of positive revenue streams from previously negative assets, and particularly from those facilities formed from gypsum waste, such as gypsum stacks. Waste containment or landfill facilities are for... | 01/25/2005 |
| 6688812 | Hydraulic barrier A hydraulic barrier for particular use in sealing the perimeter of landfill sites, the barrier comprising a geosynthetic clay liner, preferably containing prehydrated sodium bentonite, which geosynthetic clay liner is supported in a substantially vertical... | 02/10/2004 |
| 6629390 | Environmental protection and detection system An environmental protection and detection system includes a vapor and gas impervious barrier extending beneath at least part of the area of an enclosure to prevent fluids leaked or spilled within the enclosure for flowing downwardly into the underlying so... | 10/07/2003 |
| 6595723 | Conversion of gypsum stacks to waste containment facilities and related construction and business methods The invention pertains to the conversion of waste materials derived from gypsum mining and processing, such as existing gypsum stacks, into waste containment or landfill facilities. Methods of the invention include the creation of waste containment facili... | 07/22/2003 |
| 6543189 | Environmental protection and detection system An environmental protection and detection system includes a vapor and gas impervious barrier extending beneath at least part of the area of an enclosure to prevent fluids leaked or spilled within the enclosure for flowing downwardly into the underlying so... | 04/08/2003 |
| 6527005 | Condensate bypass apparatus An apparatus for diverting condensate which forms inside an exhaust system. The exhaust system comprises an exhaust side in which condensate may be formed, a suction side, and an exhaust fan between the exhaust side and the suction side and coupled to eac... | 03/04/2003 |
| 6431793 | Containment system for spills A spill containment system for storage tanks, flow devices, and the like, and a containment system for spilled light non-aqueous phase liquid are provided. The spill containment system comprises a liner for receiving and containing liquid that spills, as ... | 08/13/2002 |
| 6361249 | Negative air pressure cover A method for covering a lagoon, manure storage basin, waste water retention pond, water reservoir, open top material storage tank, stacks or piles of commodities, having a perimeter and a containment portion, wherein the method acquires the placement of a... | 03/26/2002 |
| 6283676 | Sequential aerobic/anaerobic solid waste landfill operation Landfills including multiple lifts having horizontal piping layers and methods for their use to accelerate anaerobic and/or aerobic degradation of municipal solid waste to increase landfill capacity.... | 09/04/2001 |
| 6280118 | In situ reactive gate A method and system are described for removing contaminants from the phreatic zone, also known as the saturation zone, or groundwater. A barrier wall is constructed below the ground surface and in the path of flow of a contaminated groundwater plume. A we... | 08/28/2001 |
| 6213685 | Mechanical boot system A mechanical type boot including a vertically positioned riser in a tubular configuration with an outwardly flanged upper end and an outwardly flanged lower end. Vertical bolt holes are provided through the ends. Vertical bolt holes are provided in a lowe... | 04/10/2001 |
| 6152653 | Geocomposite capillary barrier drain A geotechnical structure that includes a first body of soil having a first unsaturated concentration of moisture. There is also a second body of soil, which includes a second unsaturated concentration of moisture that is different from the first concentra... | 11/28/2000 |
| 6102617 | Impoundment leak detection, location, and containment system and method with mobile sensor An impoundment leak detection, location, and containment system includes a leak detection and location structure positioned below the impoundment with a system of conduit spanning substantially all of the extent under the impoundment. A mobile sensor syst... | 08/15/2000 |
| 5885026 | System and method for containing leachate using submerged counterflow sink A method and system for collecting and containing leachate from a landfill uses a submerged drainage sink to develop a flow pattern towards the drainage sink contained within a containment zone, and therefore minimizes the chance of contaminating area gro... | 03/23/1999 |
| 5863152 | Mechanical gas vent A gas vent closing device that incorporates the use of a base member that is secured to a liner disposed over a collection pit. The base member includes a vented lower grate that allows for the passage of gaseous fumes therethrough. A cap member is slidab... | 01/26/1999 |
| 5857807 | Municipal solid waste landfill system A municipal solid waste (MSW) landfill system includes a leachate collection system installed in a layer of MSW in a preexisting landfill. The layer of MSW is covered with a layer of waste ash produced by incinerated MSW. The ash is gas impermeable and se... | 01/12/1999 |
| 5846024 | Landfill system and method for constructing a landfill system A landfill system having a waste pit with a base portion. The base portion is covered with a liquid impermeable sheet and there is disposed at least one filtration zone below the base portion. Waste water is prevented from entering the natural substrate a... | 12/08/1998 |
| 5710362 | Landfill liner for capturing certain leachate contaminants in the event of leakage A landfill liner comprising clay and lime for capturing certain leachate contaminants, particularly potentially toxic heavy metals. The lime acts to absorb significantly more of the potentially toxic heavy metals than would a conventional clay landfill li... | 01/20/1998 |
| 5690448 | Landfill closure system A landfill closure system comprising (a) a vegetated top layer comprising an effective among of an iron containing solids component; (b) a drainage layer; and (c) a low-permeability layer is disclosed.... | 11/25/1997 |
| 5636940 | Apparatus and method for gas and/or liquid exchange between an area outside and an area inside a bulk material pile Gas and/or liquid exchange between a first area within a bulk material pile and a second area outside the bulk material pile is enabled by creating a substantially horizontal cavity during the formation of the bulk material pile, and establishing a condui... | 06/10/1997 |
| 5624205 | Landfill water treatment system A landfill water treatment system including a fluid impermeable containment portion secured within a landfill area. A series of drainage tubes is arranged within the fluid impermeable containment portion. The drainage tubes have a plurality of perforation... | 04/29/1997 |
