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| Number | Title | Issue Date |
| 7736505 | Water pollution prevention and remediation apparatus A fluid pollution prevention system for preventing the discharge of hazardous waste from a bilge of a marine vessel, and removal of the same from the bilge. The system includes an absorber for absorbing hazardous waste from a fluid in the bilge. The system further i... | 06/15/2010 |
| 7413663 | Water treatment apparatus and method A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no wat... | 08/19/2008 |
| 7399411 | Retainer assembly including buoyant retainer attached to remediation material and anchor The present invention is directed to a retainer assembly for anchoring environmental containment and remediation materials in a desired location. The retainer assembly includes a buoyant retainer structure and an anchor assembly attached thereto. The anchor assembly... | 07/15/2008 |
| 7364664 | Foreign matter removing mechanism, fluid flow processing equipment, and foreign matter removing method The present processing apparatus blocks off such a portion of a flow of a plating solution (17) that is other than a vicinity of a liquid surface, by using a first partition plate (15) whose lower end is in close contact with a bottom of a plating tank... | 04/29/2008 |
| 7354516 | Oil digesting microbe-plastic foam system This invention is a system and method for bioremediation of hydrocarbon and organic pollution in fresh and salt water. Hydrocarbon and organic pollution digesting microbes are placed in a floating carrier where the microorganisms are exposed to the pollution and the... | 04/08/2008 |
| 7354518 | Water pollution prevention and remediation method A fluid pollution prevention system for preventing the discharge of hazardous waste from a bilge of a marine vessel, and removal of the same from the bilge. The system includes an absorber for absorbing hazardous waste from a fluid in the bilge. The system further i... | 04/08/2008 |
| 7329347 | Separating device The invention relates to a separating device for separating a first liquid from a second liquid, wherein the first liquid has a lower specific density than the second liquid. The separating device comprises a receptacle with an inside wall, an inlet and an outlet, w... | 02/12/2008 |
| 7326354 | Active barrier for polluted waters and method for its installation The invention relates to an active barrier (1) and a method for its use. The active barrier (1) is used to contain and to collect polluting material floating over bodies of water, such as river, lakes, lagoons, bays or open oceans. More specifically, t... | 02/05/2008 |
| 7303688 | Oil skimmer and method of operating same A skimmer used to remove both heavy and light oil from a body of water or for the removal of either light or heavy oil and a method of operation of the skimmer. The heavier oil is removed from a first location on a rotating member and the lighter oil is removed from... | 12/04/2007 |
| 7258785 | Apparatus for separating oil and debris from water run-off A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an... | 08/21/2007 |
| 7234269 | Animal test chamber An animal test chamber has one or more side walls, a ceiling, and a floor to define an internal space in which animals can be housed and exposed to a chemical agent, a door, a port for introducing animals, an exhaust port, and one or more of the following four featu... | 06/26/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7160467 | Oil-water separator An oil-water separator for use in a trench, which surrounds an oilfield. The separator is positioned in the ground such that an inlet conduit extends at about the same level as the bottom of the trench. The trench water is admitted into the housing, where it contact... | 01/09/2007 |
| 7153423 | Wastewater treatment Offshore facilities, systems, and methods for treating wastewater have been developed. An offshore wastewater treatment facility include wastewater treatment components (for preliminary treatment, primary treatment, secondary treatment, and/or advanced treatment); a... | 12/26/2006 |
| 7140599 | Coupling systems and methods for marine barriers A marine barrier system comprising first and second barrier sections and a coupler system. The first and second barrier sections comprise first and second main flotation members, respectively, and each main flotation member contains buoyant material. The coupler sys... | 11/28/2006 |
| 7138055 | Water pollution prevention and remediation apparatus A fluid pollution prevention system for preventing the discharge of hazardous waste from a bilge of a marine vessel, and removal of the same from the bilge. The system includes an absorber for absorbing hazardous waste from a fluid in the bilge. The system further i... | 11/21/2006 |
| 7097768 | Coconut mesocarp-based biofilter material and its use in a wastewater treatment system A biofilter material for biofiltering a fluid is disclosed. This biofilter material comprises fragments of coconut mesocarp. A wastewater treatment system is also disclosed and comprises a filter bed and a water distribution system. The filter bed comprises fragment... | 08/29/2006 |
| 7094338 | Method of making and using a filter in the form of a block of agglomerated copolymer fragments One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need for the fil... | 08/22/2006 |
| 7090432 | Spill response system A spill containment and remediation system. A reel for a boom is mounted in the upper part of a weatherproof housing. The lower region of the housing is leakproof and can store recovered liquid spill. A boom or dike is mounted on the reel. The housing has an opening... | 08/15/2006 |
| 7048878 | Process of forming oil-absorbent bodies A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature extrusion process. The SBS, or both materials, may be in the form of multitud... | 05/23/2006 |
| 6994785 | Removable grid for filter element screens A fine filter screen assembly comprising a length of filter screen having a relatively fine filtering surface and terminating at opposite ends with opposed end shafts. Generally open connecting means interconnect the opposed end shafts to define a continuous loop st... | 02/07/2006 |
| 6962659 | Contaminant skimming device An oil skimmer for removing oil floating on surfaces of bodies of water. The oil skimmer includes a support frame, respective drive pulley and guide pulleys rotatably mounted to the support frame on respective shafts, and a drive train which rotatively drives the dr... | 11/08/2005 |
| 6767456 | Reusable storm water sampler and pollutant filter insert An insert for use in a sewer system to remove oils and solvents carried by surface water runoff. The insert includes a holder and a quantity of water permeable, hydrophobic, oil and solvent absorbing material such as melt blown polypropylene. The holder has two func... | 07/27/2004 |
| 6726837 | Portable bilge water filter apparatus A casing having an inlet positioned below the bilge water discharge outlet of a boat or ship aligns a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one of a gravel or charcoal coarse material restrictive to... | 04/27/2004 |
| 6712957 | Stationary bilge water filter apparatus A casing having an inlet which receives oil-based contaminated bilge water is mounted on a boat or ship in aligning a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one of a gravel or charcoal coarse materia... | 03/30/2004 |
| 6673241 | Self-floating cover system for a body of water The present invention is directed to a foldable, self-floating cover system for a body of water. This invention is also directed to a method of using this cover on a body of water, and particularly on a sewage lagoon to reduce the emission of offensive od... | 01/06/2004 |
| 6372134 | Cleaning device for removing oil A cleaning device (1), which is attached to a collecting device comprising a body and wheels (3) in which device a V-shaped brush (2) secured to a belt (7) moves in a groove, whereby the brushes flatten between the trough walls of the cleaning device (1) ... | 04/16/2002 |
| 6332737 | Waterway pollution control apparatus A portable pollution control apparatus designed to span a creek or other small waterway. The apparatus includes an adjustable length boom which extends across the creek; an elongated, hydrocarbon-absorbent sock which is suspended from the boom and extends... | 12/25/2001 |
| 6312596 | Absorbent bag A bag, particularly adapted for absorbing hydrocarbons dispersed in smaller quantities of water, has a ball-like shaped body formed from oleophobic netting materials. The bag body includes a tubular-shaped outer sleeve positioned about a tubular-shaped in... | 11/06/2001 |
| 6274046 | Method and apparatus for collecting matter floating on a body of water To collect oil or other matter floating on the surface of a body of water a collection vessel (11) having a collection compartment (A) is immersed in the water. A surface layer carrying the matter to be collected is caused to flow from the area around the... | 08/14/2001 |
| 6221243 | Device for removing hydrocarbons from storm water A hydrocarbon capturing device includes a retainer that is inserted into the end of an outlet pipe in a storm sewer catch basin. The retainer includes a ring that expands under a bias against the inner surface of the outlet pipe and radially extending fin... | 04/24/2001 |
| 6146529 | Device for absorbing oil from water Human hair is formed into a generally planar layer. The layer may comprise a center scrim to which the human hair is attached. The device is buoyant when saturated with oil and water. The device is used to remove oil from water.... | 11/14/2000 |
| 6103123 | Aeration device and method for creating and maintaining facultative lagoon A facultative lagoon, an airlift aerator for such a lagoon, and a method of operating such a lagoon. The aerator includes a U-shaped body with a down flow leg and an airlift leg and a float. The float sustains the U-shaped body with respect to the surface... | 08/15/2000 |
| 6099723 | Catchbasin systems for filtering hydrocarbon spills A water- and oil-porous sack contains a hydrophobic, compliant, oil-absorbent, copolymer material arranged in a number of bodies that (a) are generally cylindrical, (b) are porous, (c) have at least one passageway parallel to the axis of the cylinder, and... | 08/08/2000 |
| 6063274 | Self leveling skimmer A self-leveling skimmer attached to a boat is designed to remove a top surface layer of liquid while maintaining a constant position relative to the surface of the liquid layer. While maintaining a constant position relative to the top surface layer of li... | 05/16/2000 |
| 6017452 | Oil retention barrier with anti-splashing means An oil retention barrier (1) over which oil cannot splash over when the barrier is hauled in consists of several floating partial cells (8, 15, 16) and several smaller partial cells (7, 21) that are submerged in water, arranged and joined together in such... | 01/25/2000 |
| 5968354 | Apparatus for recovering oil-based liquid An apparatus for recovering an oil-based liquid from a body of liquid including the oil-based liquid. The apparatus includes a pair of cooperating rollers defining a nip therebetween, an endless loop of oil-based liquid absorbent material that passes thro... | 10/19/1999 |
| 5961823 | Oil coagulant products and methods of use therefor Oil coagulant compositions, and methods of using such compositions to coagulate the oil that has been spilled on water are prepared from a thermal reaction utilizing an oil component selected from the group consisting of glycerides, fatty acids, alkenes a... | 10/05/1999 |
| 5948266 | Hand manipulable skimmer system for removing an oil sheen from the surface of a body of water A portable liquid surface skimmer efficiently removes small spills of petroleum derivatives from the surface of water, and is useful, for example, on thin sheen spills of oil or gasoline, in boating marinas. The skimmer is controlled by a long handle held... | 09/07/1999 |
| 5922205 | Suppression of the formation of colloidal suspensions between tanked fuel oil and sea water Pretreated tubular members, preferably in the form of hollow fiber segments, and a method for suppressing the formation of a colloid of fuel oil in sea water or visa versa in a ballast/fuel oil tank of a ship. The fuel oil-pretreated members are hydrophob... | 07/13/1999 |
