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| Number | Title | Issue Date |
| 7413649 | Treatment apparatus with modular chemical containing units having one-way valve assemblies A fluid treatment system that includes at least one treatment module (“pod”) with rigid and impermeable inner and outer surfaces, and an annular center passage which is designed to provide an alternative flow path during the pod backwashing process. At least one... | 08/19/2008 |
| 7390419 | Waste water recovery system A waste water recovery system to filter and recirculate waste water to a wash system including a fluid recovery line, a fluid supply line and a fluid backwash line comprising a filter assembly including a water filtering section to receive waste water from the wash ... | 06/24/2008 |
| 7314546 | Disinfectant system and method for the chemical treatment of wastewater A system for the chemical treatment of wastewater may be discharged in a night spray system, an on demand system or a dosing system. Tank 12 receives wastewater, and a discharge pump 16 pumps wastewater from the tank in the night spray system. A sensor... | 01/01/2008 |
| 7182273 | Spraying system with automated nozzle cleaning device A shower header type spray device has a motorized cleaning brush on a rotary shaft mounted therein for cleaning inlet apertures of its spray nozzles. The brush shaft is supported to impart axial movement when it is rotated, and has a sealing valve attached thereon s... | 02/27/2007 |
| 7179390 | Method of filtering a fluid and remote filtering station Filtering of an operating fluid of a mechanical device is performed utilizing a pumping device of the mechanical device which routinely circulated the operating fluid within the mechanical device. A remote filtering station of the present invention has a first condu... | 02/20/2007 |
| 7175054 | Method and apparatus for disinfecting a refrigerated water cooler reservoir A method and apparatus for providing sanitized water in a cabinet and spigot type bottled water dispenser features an ozone generating system to generate ozone for sanitizing the water. Ozone is generated and collected within an ozone generator housing. A blower tra... | 02/13/2007 |
| 7171762 | Self-cleaning centrifugal pellet dryer and method thereof A self-cleaning centrifugal pellet dryer and method for removing surface moisture from pellets and enabling complete removal of all pellets from the dryer after each drying cycle. By eliminating dried pellets retained in the dryer, contamination of different type pe... | 02/06/2007 |
| 7144509 | Process and apparatus for waste water treatment Method and apparatus for treating contaminants in water under anaerobic conditions is disclosed. The method includes adding to contaminated water a composition including an aqueous mixture of at least one carbohydrate and at least one alcohol and/or bacteriastat. Th... | 12/05/2006 |
| 7118678 | Portable ozone treatment for swimming pools A portable battery-powered ozone generator, or ozonator, contained in a waterproof housing with an air intake and an ozone discharge conduit diffuses ozone directly into a body of water in a pool, pond or tank. The ozone generator and housing can be part of (1) a bu... | 10/10/2006 |
| 7114637 | Method and apparatus for programably treating water in a water cooler An apparatus for a programmable self sanitizing water dispenser apparatus with a digital computer as well as a programmable method for generating ozone for cleaning the reservoir and the water contained within it. ... | 10/03/2006 |
| 7081225 | Methods and apparatus for disinfecting and sterilizing fluid using ultraviolet radiation An apparatus for sterilizing or disinfecting fluids, which comprises a fluid conduit, an ultraviolet light source, which is at least partially within the fluid conduit, and an air drive unit coupled to the fluid conduit. The ultraviolet light source generates an ult... | 07/25/2006 |
| 7055697 | System for separating fluid-borne material from a fluid that carries particulate matter along with the material A system for screening fluid-borne material from a fluid that carries particulate matter along with the material, e.g. for screening usable fibers in papermaking or tissue making white water that also contains waste material such as fines and ash. The system employs... | 06/06/2006 |
| 7048861 | System and method for in-well aeration A method of aerating a well having a well pump positioned therein is disclosed which includes the steps of positioning an air diffuser within the well above the level of the well pump, determining the recovery period for the well, and supplying air to the diffuser t... | 05/23/2006 |
| 7033502 | UV lamp supported filter cartridge Each cap of a pair of end caps mounted on opposed ends of a conventional radial flow cylindrical filter element of a filter cartridge includes a circular sleeve extending axially from the filter element for penetrably receiving a supporting stud and for maintaining ... | 04/25/2006 |
| 7029637 | Apparatus for ozone production, employing line and grooved electrodes An ozone generation cell has a first conductor generally having a line geometry and a second conductor having a first groove formed in a surface thereof, and having first and second flanks on opposite sides of the first groove. The second conductor and the first gro... | 04/18/2006 |
| 7025882 | Waste disposal plant for wet garbage, especially for refuse from large-scale kitchens This invention refers to a waste disposal plant for wet garbage, especially for refuse from large-scale kitchens. The wet garbage is transported by compressed air or a partial vacuum from decentralized input stations (30) to a central discharge device (12 | 04/11/2006 |
| 6979404 | Self-manifolding sheet membrane module A filtration device having a plurality of membrane modules is provided. Each of the plurality of membrane modules has first and second permeable sheets that are separated by a spacer, a first ring disposed around a perimeter of a first hole in the first permeable sh... | 12/27/2005 |
| 6969414 | Waste stream separator A waste stream separator separates liquid and solid waste from a conveying air stream. The liquid and solid waste are first separated from the air steam by gravity and filtration in a removable primary waste barrel. The air is then drawn through a secondary waste ba... | 11/29/2005 |
| 6964739 | Device and method for generating and applying ozonated water The present invention is a device and method for ozonating water and applying the ozonated water to surfaces for cleaning purposes. The instant invention allows a user to transform water into a liquid with more robust cleaning properties conveniently and in a short ... | 11/15/2005 |
| 6955758 | Ozone treating apparatus The present invention provides an ozonization apparatus which is not only capable of dissolving ozone in material water with high efficiency and speedily but also enables the easy and proper control of the dissolved ozone concentration of ozone water. The pre... | 10/18/2005 |
| 6953523 | Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants A portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants includes a portable, refillable and hand-holdable vessel for holding and pouring water having a spout and, inside the portable, refillable and hand-holdable ... | 10/11/2005 |
| 6936170 | Methods and apparatus for biological treatment of aqueous waste A biofilter system of the present invention utilizes an Alternating-Aerobic-Anoxic (AAA) process in a single reactor to provide efficient and cheap removal of carbonaceous materials, nitrogenous materials, and/or mixtures thereof from aqueous waste. The biofilter sy... | 08/30/2005 |
| 6929748 | Apparatus and method for continuous electrodeionization A method of water purification including the steps of passing source water through at least one reverse osmosis unit to produce a product water and reject water, directing the product water from a reverse osmosis unit into the dilution stream of a continuous electro... | 08/16/2005 |
| 6923006 | Gassed liquid dispensers Water supplied from a bottle 1 is pre-chilled in a reservoir 3. A two-part water pump 11 transfers water under pressure through a jet nozzle 14 into an oxygen space 17 in a PET pressure vessel 12, which entrains oxygen into ... | 08/02/2005 |
| 6911147 | Water filtering module with hollow fibers A module for ultrafiltration or microfiltration of water includes hollow fibers, of the type of filtration from outside inwards of the fibers, the water to be treated being introduced at the top of the module and the treated water being collected at the bottom of th... | 06/28/2005 |
| 6780319 | Method and installation for treating effluents, comprising an additional treatment of the sludge by ozonization Method of purifying wastewater charged with organic matter which comprises a step of biologically treating the water, during which the organic matter contained in the water is degraded by micro-organisms thereby producing sludge, and a water-sludge separation step, ... | 08/24/2004 |
| 6770206 | Method and apparatus for handling liquid waste in a wet-well An apparatus for preventing formation of a solid or semi-solid surface layer in liquid waste contained in a wet-well includes an air pump adapted to pump air into the wet-well and an air pump controller configured to activate and deactivate the air pump at selected ... | 08/03/2004 |
| 6767464 | Process and apparatus for waste water treatment Systems for treating water containing unwanted contaminants. More particularly, the present invention relates to waste water treatment systems including biological media used to aerobically or anaerobically treat solid and liquid waste in water for large and small-s... | 07/27/2004 |
| 6740231 | Self-contained cooling system feed and bleed system Apparatuses, systems and methods for monitoring and/or controlling treatment of aqueous systems including water cooling systems are provided. The present invention includes a self-contained treatment unit for controllably bleeding water from an aqueous system and de... | 05/25/2004 |
| 6630067 | Methods and apparatus for biological treatment of aqueous waste A biofilter system of the present invention utilizes an Alternating-Aerobic-Anoxic (AAA) process in a single reactor to provide efficient and cheap removal of carbonaceous materials, nitrogenous materials, and/or mixtures thereof from aqueous waste. The b... | 10/07/2003 |
| 6620315 | System for optimized control of multiple oxidizer feedstreams This invention is directed to a method and apparatus for controlling and optimizing the feed of two or more oxidizers to an aqueous stream, thereby providing a synergistic effect. The system combines the use of amperometric or ORP based sensor technology ... | 09/16/2003 |
| 6596159 | Automatic regeneration valve for water softener A regeneration valve 131 is adapted for automatic activation of ion exchange resin in a water softener. The regeneration valve includes a switching valve 1, a control valve 32, a water injection valve 54, a cam mechanism (FIG. 13) and a timer mechanism wh... | 07/22/2003 |
| 6576130 | Absorption field reclamation and maintenance system A wastewater absorption field reclamation and maintenance system, wherein effluent (wastewater) is oxygenated such that BOD is not reduced in the effluent, the oxygenated effluent being delivered to the absorption field. As the oxygenated effluent flows t... | 06/10/2003 |
| 6524471 | Backwash control system for a filter unit used in a machine tool system A filter unit in a fluid circuit associated with a machine tool that uses machining fluid is maintained by counting the number of times the machine tool is operated and automatically servicing the filter unit, as by backflushing, after the machine tool ha... | 02/25/2003 |
| 6402954 | Method and apparatus for monitoring and cleaning a fluid filter system A method and apparatus for optimizing the filtration of process fluid. The system provides establishing a peak flow rate of permeate through a filter and then engaging a filtering cycle in which process fluid is passed through the filter until such time a... | 06/11/2002 |
| 6379540 | Method and apparatus for flushing contaminants from a container of fluids A contaminant flushing machine for removing contaminants from a container, such as an engine transmission or transmission cooler which includes hoses for coupling to the transmission cooler and a pump for circulating fluid through the hoses and the transm... | 04/30/2002 |
| 6332978 | Apparatus for reducing nitrate concentration in wastewater The present invention is a method for reducing the nitrate concentration in wastewater within a wastewater treatment apparatus configured to define an aeration zone and a quiescent zone. The method comprises the step of ceasing airflow into the aeration z... | 12/25/2001 |
| 6126819 | Apparatus for the treatment of liquids contaminated by foreign substances In an apparatus for the treatment of liquids including foreign substances, particularly municipal and commercial waste waters, comprising a membrane separating structure having membrane elements, an inlet for receiving the liquid to be separated and passi... | 10/03/2000 |
| 6086754 | Dispensing apparatus having an improved filter unit For processing raw water into drinking water, a dispensing apparatus is provided with a filter member disposed in a water tank through which the raw water is made to flow. The filter member captures microorganisms contained in the raw water. A heating arr... | 07/11/2000 |
| 6063295 | Apparatus and method to increase oxygen levels in livestock drinking water Apparatus to increase the level of oxygen ingested by livestock by oxygenation of the livestock water supply includes an enclosed tank having a top and having an inlet for admitting water from a supply of water and an outlet for discharging water from the... | 05/16/2000 |
