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| Number | Title | Issue Date |
| 8104746 | Energy efficient cooling tower system utilizing auxiliary cooling tower A cooling tower system, including a principal cooling tower; an auxiliary cooling tower for receiving a portion of the warm water flow into the main tower; a central shaft mounted vertically in the auxiliary tower; a turbine mounted on a portion of the shaft; a cool... | 01/31/2012 |
| 7934704 | Retrievable diffuser module with internal ballast/buoyancy chamber A diffuser module and system for diffusing gas into liquid such as in aeration/mixing of wastewater. Each module has a header pipe and diffusers which receive gas from the header pipe. Each pipe is equipped with a smaller internal pipe arranged concentrically to pro... | 05/03/2011 |
| 7556244 | Method and apparatus to help promote contact of gas with vaporized material Vaporizable material is supported within a vessel to promote contact of an introduced gas with the vaporizable material, and produce a product gas including vaporized material. A heating element supplies heat to a wall of the vessel to heat vaporizable material disp... | 07/07/2009 |
| 7371322 | Filtration system and dynamic fluid separation method A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes which are anchored or secured on their periphery with a large open work... | 05/13/2008 |
| 7347942 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 03/25/2008 |
| 7335312 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 02/26/2008 |
| 7320750 | Centrifuge with controlled discharge of dense material A centrifuge with controlled discharge of dense materials disclosed. A centrifuge includes a fluid separation wall placed within a sleeve to form a containment zone therebetween. The fluid separation wall aligns and rotates parallel to an axis of rotation. A recepta... | 01/22/2008 |
| 7300038 | Method and apparatus to help promote contact of gas with vaporized material Structure helps support material in a container with an increased exposed surface area to help promote contact of a gas with vaporized material. For at least one disclosed embodiment, the structure may help support material for vaporization in the same form as when ... | 11/27/2007 |
| 7294274 | Filtration system with enhanced cleaning and dynamic fluid separation A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and sonic energy may be used to clean associated filter media to allow substantially continuous filtration of proc... | 11/13/2007 |
| 7282147 | Cleaning hollow core membrane fibers using vibration A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elem... | 10/16/2007 |
| 7156111 | Megasonic cleaning using supersaturated cleaning solution A method and system for the megasonic cleaning of one or more substrates that reduces damage to the substrate(s) resulting from the megasonic energy. The substrates are supported in a process chamber and contacted with a cleaning solution comprising a cleaning liqui... | 01/02/2007 |
| 7156375 | Humidifier A humidifier includes a hollow-fiber-membrane module shaped tubular and a support configured to axially slideably support the module. ... | 01/02/2007 |
| 7146726 | Cooling tower method and apparatus A cross-flow cooling tower having a frame assembly that is unitarily molded from a plastic material. The frame assembly has opposing top and bottom walls along with opposing side walls and opposing ends. The side walls extend parallel to one another between the top ... | 12/12/2006 |
| 7121532 | Aeration system for liquid An aeration tank used in a method of treating effluent includes a pipe for transporting the effluent from the source to the tank bottom and a discharge duct having a siphon effect for tapping off an overflow from the tank as more effluent is added from the source. A... | 10/17/2006 |
| 7118672 | Membrane supported bioreactor for municipal and industrial wastewater treatment A membrane supported biofilm reactor uses modules having fine, dense, non-porous hollow fibers made from Polymethyl pentene (PMP) formed into a fabric with the PMP as the weft. One or more sheets of the fabric are potted into a module to enable oxygen containing gas... | 10/10/2006 |
| 7040606 | Humidifier A humidifier including an inner case of the shape of a cylinder having a bottom, an outer case of cylindrical shape arranged to be concentric with the inner case, and a plurality of hollow fiber membranes being placed in the space between the two cases and formed in... | 05/09/2006 |
| 7021608 | Distributor for micro-quantities of liquid An ultra low flow liquid distributor generates a very thin yet continuous liquid film over the entire width of a transfer surface. The ultra low flow liquid distributor includes a liquid supply system starting from a common main supply, which is split by repetitive ... | 04/04/2006 |
| 7014173 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 03/21/2006 |
| 6971525 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 12/06/2005 |
| 6953495 | Low-energy venturi pre-scrubber for an air pollution control system and method A low-energy venturi pre-scrubber optimized for removing abrasive particles from a gaseous effluent is disclosed. While venturi scrubbers are efficiently used for at removing entrained particulates in air pollution control systems, they can be damaged due to the abr... | 10/11/2005 |
| 6939398 | Drum scrubber The invention creates a new type of scrubbers: drum scrubber. In the drum scrubber, processed gas passes through a wet fiber filter, but unlike previously invented fiber-bed scrubber, the fiber is constantly cleaned. The cleaning is achieved by using filter material... | 09/06/2005 |
| 6932913 | Method for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 08/23/2005 |
| 6929746 | Waste stream digestion method Disclosed is a system and method of digesting raw animal waste using diffusers to force circulation and aerate a digesting lagoon. Several lagoons may be used in series to treat raw waste and different variations may be employed to successively digest raw waste. Aer... | 08/16/2005 |
| 6921063 | Gas dissolved water producing apparatus and method thereof and ultrasonic cleaning equipment and method thereof A gas dissolved water producing apparatus includes a gas dissolving section, a gas channel for guiding a gas into the dissolving section, a first water channel for guiding water into the dissolving section, a gas dissolved water discharge channel, and a second water... | 07/26/2005 |
| 6921062 | Vaporizer delivery ampoule A vaporizer delivery system for use in semiconductor manufacturing processes including a plurality of vertically stacked containers for holding a vaporizable source material. Each of the vertically stacked containers includes a plurality of vented protuberances exte... | 07/26/2005 |
| 6918949 | Method for contacting large volumes of gas and liquid across microscopic interfaces A method for contacting large volumes of gas and liquid together on a microscopic scale for mass transfer or transport processes wherein the contact between liquid and gas occurs at the interfaces of a multitude of gas bubbles. Multiple porous tubes assembled in a b... | 07/19/2005 |
| 6767006 | Device for introducing a gaseous substance in a fluid and use thereof Solubilizing device of a gas into a fluid includes the following components in combination: at least a first pipe section (1) convergent at the end thereof; a second pipe section (2), with a cross section smaller than that of the first pi... | 07/27/2004 |
| 6708957 | Moving aerator for immersed membranes One or more aerators move below an area of an assembly of immersed filtering membranes to be aerated. The movement can take various forms including the sweep of a pendulum. Positions in the assembly of membranes may be alternately aerated for a period of time and th... | 03/23/2004 |
| 6706189 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 03/16/2004 |
| 6550747 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate of air flow and a lower rate of air flow in repeated cycles. In an embodiment, the ai... | 04/22/2003 |
| 6343779 | Water distribution piping of gas-dissolved cleaning water A water distribution piping for gas-dissolved cleaning water which distributes cleaning water, made by dissolving gas in pure water, in the presence of gas, the piping having a main pipe and branch pipes, including an in-line mixer immediately upstream of... | 02/05/2002 |
| 6315272 | Humidifier with stacked reservoir A humidifier with a stacked reservoir system includes a first wettable wick adapted to humidify an air stream and a first reservoir for holding water. The first reservoir is located in a position adapted to wet the first wick by capillary action and shape... | 11/13/2001 |
| 6245239 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the ai... | 06/12/2001 |
| 6193220 | Diffused aeration system A diffused aeration system has an aeration tank which contains a plurality or peripheral coarse bubble jet diffusers and a plurality of fine bubble jet diffusers strategically located therebetween to provide maximum oxygen transfer efficiency and mixing w... | 02/27/2001 |
| 6189869 | Wick system for a humidifier A humidifier with a plurality of wettable wicks is disclosed. According to one aspect of the present invention, the humidifier includes a first wettable wick adapted to humidify an air stream and a first tray for holding water. The first tray is located i... | 02/20/2001 |
| 6074564 | Ozone injection system An apparatus for injecting ozone into water includes a riser leg, a down leg and a plurality of crossovers joining the riser and down legs. A partial side stream of water from a main under substantial hydraulic pressure is directed through the apparatus. ... | 06/13/2000 |
| 5975502 | Wick system for a humidifier and a method for operating the wick system In a first aspect of the present invention, a humidifier is provided. The humidifier includes a first wettable wick adapted to humidify an air stream and a first tray for holding water. The first tray is located in a position adapted to wet the first wick... | 11/02/1999 |
| 5770117 | Upper and lower crossflow film fill stack for a cooling tower A cooling tower (30) with a film fill assembly (37) including a lower film fill stack (40) and an intermediate sloped or stepped film fill section (43). The lower stack (40) is disposed in a lower inboard corner (41) of the tower (30) proximal to an air o... | 06/23/1998 |
| 5759451 | Humidifier having multi-stage fans A humidifier is disclosed having operation, speed, and humidity control for the distribution of humidified air. The humidifier contains a multiplicity of air moving devices, e.g., fans, to enable large quantities of humidified air to be distributed in an ... | 06/02/1998 |
| 5639286 | Vertical fluid dynamic cooling tower A vertical fluid dynamic cooling tower includes a shell which ha s a horizontal tubular injection element disposed inside. A pressurized heat liquid is pumped into the tubular element and ejected out upwardly through spaced nozzles disposed on the top of ... | 06/17/1997 |
