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| Number | Title | Issue Date |
| 8147689 | Materials dewatering unit A dewatering conveyor system for dewatering chunks of petroleum coke or the like material which is mixed with large volumes of water, wherein the conveyor employs lateral drag bars, the top flight of which conveyor slides forwardly on a screening deck having dewater... | 04/03/2012 |
| 8097152 | Apparatus for removal of oil from ice An apparatus for removing oil from sea ice comprises modular crusher units which may be pivotally mounted on a barge or other vessel. A rotating, toothed drum crushes the ice against a grating and mixes it with warmed, recycled water to form an ice/water slurry whic... | 01/17/2012 |
| 8025798 | Modular biological fluidized bed reactor system A biological wastewater treatment process and modular apparatus wherein activated sludge is recirculated in all of aeration, fluidized bed and return sludge phases in the apparatus. ... | 09/27/2011 |
| 8002979 | Waste disposal system Various embodiments of the present invention are directed to waste disposal methods and systems. In one embodiment of the present invention, a waste disposal system is positioned under a sink in a building connected to a septic system for disposal of food waste and ... | 08/23/2011 |
| 7615149 | Agitator in a sewer system In one aspect of the invention, a sewer system has a waste material flow path which has an entrance and a downstream digester assembly. At least one in-line agitator is disposed upstream to the digester assembly. The at least one in-line agitator adapted to break do... | 11/10/2009 |
| 7547390 | System of converting animal wastes to energy and useful by-products A system and method for converting animal waste, in the form of waste slurry, to energy and useful byproducts. A screen mesh filters out large objects from waste slurry and the filtered slurry is chopped and fragmented to reduce binding of fibrous materials. The fra... | 06/16/2009 |
| 7465392 | Weeder for pond A weeder for a pond, it mainly has a handle unit provided on one end of a long pipe, and has thereon a switch and a set of power source equipment; the other end the long pipe is provided sequentially with an electric device, a knife/blade device and a sucking mouth ... | 12/16/2008 |
| 7439054 | Bioreactor system for biological degradation of oily sludge A 10,000 gallon sequencing batch reactor tank for the on-site bio-degradation of oily sludge. Bacteria already present in and adapted to oily sludge degrade the hydrocarbons found in oily sludge within two weeks from 20,000 ppm to less than 100 ppm. A degradation cy... | 10/21/2008 |
| 7416668 | Wastewater chemical/biological treatment plant recovery apparatus and method A chemical/biological wastewater treatment plant method and apparatus employing rapid sludge chemical dewatering technology in conjunction with an environmental biological system for treating the separated treated wastewater by land applying it for plant consumption... | 08/26/2008 |
| 7410568 | Sludge treatment An apparatus for treating sludge, comprises a press for dewatering the sludge, a compaction device for receiving and compacting sludge dewatered by the press, a shredder for receiving and shredding sludge compacted by the compaction device, and a tube conveyor for c... | 08/12/2008 |
| 7335311 | Sludge treatment An apparatus for treating sludge, comprises a press for dewatering the sludge, a compaction device for receiving and compacting sludge dewatered by the press, a shredder for receiving and shredding sludge compacted by the compaction device, and a tube conveyor for c... | 02/26/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 7293971 | Apparatus for making loose fill elements and element made thereby A packaging element is formed with a cross-section including a central portion, a first leg extending from one end of the central portion and a second leg extending from the opposite end of the central portion that is directed toward the first leg to at least partia... | 11/13/2007 |
| 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 |
| 7226324 | Waterjet with internal drive motor A marine waterjet propulsion system having an impeller with an impeller hub, a diffusor with a diffusor hub, and a motor driving the impeller, the motor being placed inside at least one of said impeller and diffusor hubs. In one preferred embodiment of the propulsio... | 06/05/2007 |
| 7211187 | Mobile or stationary modular self-contained dehydration toilet, dehydration engine, and gray water recovery system A compact dehydration engine and method for treating human waste and gray water residual electro-coagulants that includes a heated waste dehydration chamber that has low energy consumption and low water consumption in use. The system can be employed in stationary or... | 05/01/2007 |
| 7182854 | Sanitation system A sanitation system comprising of a first tank for receiving waste water fluid typically comprising solids, a maceration pump for pulling waste water fluid from the first tank, a cross flow filter comprising of media for receiving the sheared fluid forming unfiltere... | 02/27/2007 |
| 7182860 | Oil collecting apparatus and a method for collecting oil or the like An oil collecting apparatus (1) and a method for collecting oil or the like comprises a frame (5) designed to form a restricted space with the surface of water or ice (VL), and a discharge opening (8) for discharging water and oil from side rest... | 02/27/2007 |
| 7179374 | Device for shear-thinning of solids containing material The invention relates to a device to be used in connection with thickening and clarifying apparatuses for shear-thinning of solids containing material, such as slurry, which device contains one conduit for feeding material to be shear-thinnned and another conduit fo... | 02/20/2007 |
| 7169263 | Coarse dirt collector for removing coarse material from a pulper and corresponding method The invention relates to a coarse dirt collector (7) for removing coarse material from a pulper (1). The coarse dirt collector (7) comprises a support arm (8) with a collecting basket (9). The collecting basket (9) consists ... | 01/30/2007 |
| 7163629 | System and method for enhanced wastewater treatment Enhanced wastewater treatment utilizing directed energy to promote degradation of sludge is disclosed. The directed energy is delivered in a stream circulating to and from an anaerobic digester. The directed energy incorporates mechanical shear energy, ultrasonic en... | 01/16/2007 |
| 7159675 | Method of drilling a borehole into an earth formation A method of drilling a borehole in an earth formation wherein a plurality of selected solid magnetisable particles is inserted into the borehole, the particles being susceptible of forming a filter cake layer at the borehole wall and being made of a material suscept... | 01/09/2007 |
| 7157032 | Method and apparatus for making crystalline PET pellets A method and apparatus for underwater pelletizing and subsequent drying of polyethylene terephthalate (PET) polymers and other high temperature crystallizing polymeric materials to crystallize the polymer pellets without subsequent heating. High velocity air or othe... | 01/02/2007 |
| 7153428 | Flooded densified leachbed anaerobic digestion The present invention provides improved systems and processes for performing sequential batch anaerobic composting (SEBAC) on high solids content wastes. In particular, the present invention provides improved flooded SEBAC systems that function more efficiently (i.e... | 12/26/2006 |
| 7153430 | Biological digestion of waste fluids with particles comminuting step The present invention relates to a method for the aerobic digestion of a fluid waste material, notably an aqueous sewage, in which at least part of the waste material and/or of the digestion mixture is comminuted to reduce the median particle size of biomass and oth... | 12/26/2006 |
| 7150662 | Watercraft docking system and propulsion assembly An improved docking system for a watercraft and a propulsion assembly therefor wherein the docking system comprises a plurality of the propulsion assemblies and wherein each propulsion assembly includes a motor and propeller assembly provided on the distal end of a ... | 12/19/2006 |
| 7144550 | Mobile apparatus and process for treating infectious waste A mobile self-contained apparatus and process for grinding, grating, macerating, chemically disinfecting, and drying infectious waste material. A trailer (10) contains a hopper (27), a grinder/grater (28), an enclosed conveyor system, drying and... | 12/05/2006 |
| 7141169 | Method and apparatus for biosustaining waste activated vermicular environment A system for processing sewage into vermicompost includes a holding tank for receiving and initially processing the sewage. A treatment tank, connected to the holding tank by a first pipe, is used for treating the initially processed sewage from the holding tank to ... | 11/28/2006 |
| 7138048 | Apparatus and method for the removal of solids and floatables from a wastewater stream An apparatus for removing particulates from a wastewater stream includes a chamber having a wastewater inlet and wastewater outlet which promotes a generally horizontal wastewater flow. A grating is provided in the chamber between the wastewater inlet and the wastew... | 11/21/2006 |
| 7108788 | On-site treatment method of food waste generated from collective residence or institutional food service facilities Disclosed is an on-site treatment method of food waste generated from multi-unit dwellings and institutional food service facilities, by transporting wastewater-containing food waste to a separation chamber by use of domestic wastewater or an additional transporter;... | 09/19/2006 |
| 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 |
| 7075425 | Apparatus and method for monitoring sewer system operation Disclosed are methods and apparatus for monitoring a plurality of grinder pumps, and in particular, remotely over a communications network. Aspects of the invention include an alarm panel having a modular configuration, a modem board which allows use of a single tel... | 07/11/2006 |
| 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 |
| 7037466 | Method and apparatus for forming billets from metallic chip scraps After recycled titanium alloy chips are crushed and cleaned, they are pressed into cylindrically briquettes with a relative density of 0.6, and placed into capsules. The capsules are heated and placed into a preheated pressing rig. The pressing rig repetitively appl... | 05/02/2006 |
| 7022223 | Methods and systems for removing floating solid waste from the surface of a watercourse A floating pond skimmer is coupled by a fluid conduit to a remote filter/aerating apparatus. The skimmer sucks a mixture of solids and water, grinds/chops the solids, and pumps the reduced solids and water through the conduit to the filter/aerating apparatus which s... | 04/04/2006 |
| 7014778 | Device and method for treating waste product A method and device are provided for treating a waste water waste-product mixture from a toilet by coupling the toilet to a waste product mixture to a waste product holding tank, connecting the tank with a vacuum container having a stirring member for breaking up th... | 03/21/2006 |
| 7005064 | Method and apparatus for remediating wastewater holding areas and the like A method and apparatus for remediating wastewater holding areas and the like includes a closed, foraminous dewatering membrane that is positioned adjacent to the wastewater holding area. Sludge and adjacent water on the bottom of the wastewater holding area are pump... | 02/28/2006 |
| 6994219 | Method for magnetic/ferrofluid separation of particle fractions A particulate feed comprising a first particle type and a second particle type is separated by providing a separation apparatus having a separation vessel having a top and a bottom, and wherein the separation vessel includes inwardly sloping side walls. A magnet str... | 02/07/2006 |
| 6960293 | Waste processing system A system and method for pre-treating grease and other similar wastes prior to introducing them into a waste water treatment facility so that the grease, etc., does not clog the waste water treatment facility equipment. The system includes a tank for receipt of the g... | 11/01/2005 |
| 6905609 | Waste treatment and disposal system The present invention relates to the treatment and disposal of waste, including sanitary, petroleum, and other organic wastes. More specifically, the present invention treats and disposes of these types of waste from portable and remote waste generating sources, suc... | 06/14/2005 |
