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| Number | Title | Issue Date |
| 7431272 | Device for stirring a liquid and injecting a gas into said liquid with limited clogging An apparatus for stirring and injecting a gas into a liquid. A drive device, located above a container containing a liquid, is connected to a vertical output shaft. The shaft has a self-suction turbine at its. The turbine is made of two stacked disks where the surfa... | 10/07/2008 |
| 7416172 | Submerged gas evaporators and reactors A submerged gas processor in the form of an evaporator or a submerged gas reactor includes a vessel, a gas delivery tube partially disposed within the vessel to deliver a gas into the vessel and a process fluid inlet that provides a process fluid to the vessel at a ... | 08/26/2008 |
| 7401767 | Directional microporous diffuser and directional sparging A method for treating contaminates includes delivering a stream of a fluid to a directional microporous diffuser that has a sidewall with microscopic openings and has a partitioned interior region to effect discharge of microbubbles from less than the entire sidewal... | 07/22/2008 |
| 7377497 | Aeration system and method A system for introducing air into a slurry in a flue gas desulphurization process includes a stationary lance and an impeller. The lance include an outlet portion and a vane assembly. The outlet directs air away from the impeller. The vane assembly may produce turbu... | 05/27/2008 |
| 7377499 | Gas enrichment module The invention relates to a device for the gas enrichment of fluids, to a method for producing fluids that are enriched with gases and to the use of the aforementioned device in human and veterinary medicine and the pharmaceutical, foodstuff cosmetic and environmenta... | 05/27/2008 |
| 7363878 | Waste extraction system A waste extraction system (10) for an aquaculture tank (12) includes a first conduit (18) having a first end (20) and a distant second end, with a second conduit (22) disposed within the conduit (18). The second conduit (... | 04/29/2008 |
| 7338551 | Device and method for generating micro bubbles in a liquid using hydrodynamic cavitation A device and method for generating micro bubbles in a liquid. The method includes the steps of: providing a flow-through channel containing at least two local constrictions of flow therein; passing the liquid at a velocity of at least at least 12 m/sec through a fir... | 03/04/2008 |
| 7300040 | Simple, mechanism-free device, and method to produce vortex ring bubbles in liquids An apparatus and method are described that allows for the production of vortex-ring bubbles in a liquid. The device is an inverted cup with a short nozzle protruding through the center of its end face such that the nozzle lower opening is at a higher level than the ... | 11/27/2007 |
| 7267328 | Aeration of wastewater ponds using airlift pumps The subject of this invention is a submerged airlift pump using multiple concentric pipes with diameters that increase as they near the water surface. Water initially accelerated into the lowest pipe section is progressively decelerated in subsequent pipe sections, ... | 09/11/2007 |
| 7264231 | Diffused gas aeration apparatus An aeration apparatus including a cylindrical passage tube, a static mixer positioned in the passage tube adjacent an upper end of the tube and including a plurality of perforated blades and an opening between the blades along a central axis of the tube, a pneumatic... | 09/04/2007 |
| 7261279 | Device for stirring and aerating a liquid in a treatment vessel A device for stirring and aerating a liquid in a treatment vessel may include a funnel disposed in the upper portion of the vessel to form a passage with the vessel. A duct is connected to the funnel and extends toward the bottom of the vessel and includes an openin... | 08/28/2007 |
| 7261283 | Swing type fine air bubble generating device The swirling type micro-bubble generating system according to the present invention possesses a container main unit having a cylindrical space with bottom or a frusto-conically shaped space, a liquid inlet provided in a tangential direction on a part of a circumfere... | 08/28/2007 |
| 7250610 | UV light disinfection device A UV disinfection device having a contact chamber, the chamber being a container with an interior, a top portion and a bottom portion. A partition is positioned in the interior to form a first and second chamber, where the first and second chambers are in fluid comm... | 07/31/2007 |
| 7157059 | Reduction device for nitrate determination A nitrate reduction device has a cadmium structure forming a plurality of longitudinal channels within a flow chamber, which may be formed by a plurality of wires. The device is used to reduce nitrate to a final nitrite product for analysis. ... | 01/02/2007 |
| 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 |
| 7105040 | Wine must and pomace pump A wine must pump (10) for pumping a wine product (23) such as must or pomace, has an intake port (14) for receiving the wine product (23), a discharge port (16) for discharging the wine product (23) under pressure, vacuum ch... | 09/12/2006 |
| 7100905 | Reactor for gas/liquid or gas/liquid/solid reactions A reactor (1) for gas/liquid or gas/liquid/solid reactions having a vertical longitudinal axis and an inlet (2) for a liquid or liquid/solid feed stream in the upper region of the reactor and an inlet (3) for a gaseous stream in the lower region... | 09/05/2006 |
| 7025338 | Seal and pressure relief for steam injection heater A direct contact steam injection heater is placed directly in line with a flow of stock through a pipe. The steam injection heater includes a Mach diffuser having a plurality of steam diffusion holes and an adjustable steam-plug cover that is positioned within a sta... | 04/11/2006 |
| 7025336 | Apparatus for removing particulates from a gas stream Particulates are removed from a gas stream by contact with a liquid. The gas stream is conveyed through an inlet channel, towards a liquid reservoir which is located below a perforated sheet. Gas flowing through holes in the sheet creates a pressure drop between the... | 04/11/2006 |
| 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 |
| 6920983 | Device for separating solids from liquids by means of flotation The invention relates to a device for separating solids from liquids by means of flotation, particularly for separating impurities and ink particles from fibre suspensions, with several injectors 10, which are provided inside a flotation cell 1. It is ... | 07/26/2005 |
| 6905610 | Method, module and device for contacting a gas and a liquid A method, a module, and a device for gas-liquid contacting. The liquid is sent, in the presence of the gas, in jet form in a first direction onto a wall inclined at an angle of 35-55 degrees with respect to the first direction, the wall dispersing the liquid jet int... | 06/14/2005 |
| 6893484 | Low operating pressure gas scrubber Provided herein is an apparatus for scrubbing either acidic or alkaline impurities from gas streams, wherein the gas streams to be scrubbed exist at a pressure which is only slightly higher than ambient pressure. An apparatus according to a preferred form of the inv... | 05/17/2005 |
| 6830239 | Semi-frozen food product carbonator A carbonator tank includes a liquid inlet, a gas inlet and a liquid outlet. A liquid level sensor includes a liquid level sensing portion extending along and within the interior of the carbonator and provides for determining a full and minimal liquid level therein. ... | 12/14/2004 |
| 6827850 | Diffusion bar aerobic treatment plant The Diffusion Bar Aerobic Treatment Plant (“DBATP”) is a device which processes sewage for buildings which are not connected to municipal sewer lines. It is comprised of a pre-tank which captures trash and allows anaerobic microorganisms to begin breaking down t... | 12/07/2004 |
| 6767009 | Carbonator with targeted carbonation level A carbonator for use in a beverage dispenser may include a tank having a first end and a second end. An inlet in the second end of the tank may be configured to receive a supply of CO2. The carbonator may include a baffle in the tank between the first end... | 07/27/2004 |
| 6763947 | Flotation separation apparatus and infuser therefor An improved flotation separation apparatus for separating and classifying diverse, liquid-suspended solids having a plurality of high volume air bubble infusers. Each infuser includes a circular cavity defined by an interior circumferential wall. A plurality of stat... | 07/20/2004 |
| 6726187 | Humidifier The present Invention relates to a humidifier that has a housing defining a chamber having at least one open end. The housing is provided with a gas inlet connectable in fluid communication with a source of gas having a first moisture content, and a gas outlet conne... | 04/27/2004 |
| 6715743 | Gas humidifier A gas humidifier provides a continuous flow of gas through two stages of bubbling with an intermediate heating stage. Gas is introduced into an enclosure containing a quantity of bulk water by pumping the gas into a gas entry pipe or tube. The gas exits the gas entr... | 04/06/2004 |
| 6609704 | Fluid emulsification systems and methods This invention describes systems and methods for mixing two fluids. A first fluid, usually fuel, is passed through a primary passage that typically leads to a carburetor or other inlet to a combustion engine. A second fluid, usually air, is mixed with the... | 08/26/2003 |
| 6547855 | Mass transfer system A mass transfer machine removes dissolved gases or volatile organic compounds from air or a liquid. The mass transfer machine includes a vessel capable of containing a liquid and having a liquid inlet and an air inlet at a near end. It further includes a ... | 04/15/2003 |
| 6540211 | Container for liquid oil of energy A container for liquid oil of energy includes a container body, a top cover and a bottom cover. The container body is made of aluminum squeezed into a tubular shape with a hollow interior and provided with plural vertical support posts and a vertical proj... | 04/01/2003 |
| 6514410 | Odor control apparatus for facultative lagoon An odor control apparatus for a facultative lagoon, and a facultative lagoon created and maintained thereby. The apparatus includes an aerator and a cover. The aerator can include a body with an inlet and an outlet and a support such as a float. The inlet... | 02/04/2003 |
| 6488269 | Wet scrubber A scrubber for removing soluble materials from harmful gaseous effluents with high efficiency and safety is disclosed. By using twice mixes of the scrubbing liquid and the harmful gaseous effluent, the scrubber meets the standards of environmental protect... | 12/03/2002 |
| 6485003 | Gas dissolving apparatus and method A method and apparatus for dissolving a gas into a fluid which may contain at least one dissolved gas. The apparatus includes an inlet through which fluid enters the apparatus. The fluid is then housed in a chamber. The apparatus also includes a feed for ... | 11/26/2002 |
| 6474627 | Gas dissolving apparatus and method A method and apparatus for dissolving a gas into a fluid which may contain at least one dissolved gas. The apparatus includes a conventional U-tube oxygenator which includes a U-tube member having an inlet for the introduction of the fluid and the gas to ... | 11/05/2002 |
| 6460830 | Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid The device includes a vertical sheath (11) extending in a part of the height of the tank (1), a funnel (14) located around the upper part of the sheath (11), a vertical shaft (19) driving the propeller (20) in rotation, anti-vortex blades (24) located ins... | 10/08/2002 |
| 6461500 | Apparatus for aeration without significant agitation to deplete and biodegrade sludge An improved method and apparatus for aeration of septic tanks and the like. Because of the interrelationship of the rotating impeller, an air plate and the horsepower of the unit in comparison with the volumetric size of the sludge tank, the unit disperse... | 10/08/2002 |
| 6451268 | Method and apparatus for continuous gas liquid reactions A method and apparatus for improving contact between a liquid and a reactant gas by moving the liquid in a serpentine path that moves horizontally and vertically through individual chambers or stations in an elongated tank or reactor and introducing a rea... | 09/17/2002 |
| 6447733 | Fluid contact chamber A fluid contactor is taught for mixing and reacting of fluids. Mixing is enhanced by providing a suitable residence time and suitable surface area contact by forming eddy flow within the fluid and thereby the formation of vortexes. Such a contactor does n... | 09/10/2002 |
