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| Number | Title | Issue Date |
| 8162295 | Reaction vessel assembly with gas exchange means A reaction vessel assembly achieves enhanced aeration or gas exchange in its gas-in-liquid multiphase mixing reaction through the use of its mixing energy and gas-lift venting, and without the traditionally practiced external line gas sparging. It combines the best ... | 04/24/2012 |
| 7708257 | Apparatus for treating solids Apparatus for treating solids, in particular mixing, pelletizing or drying, includes a vessel receiving a solid product, and a driveshaft which is arranged in the vessel. Disposed in fixed rotative engagement with the driveshaft is at least one mixing member which r... | 05/04/2010 |
| 7362964 | Humidifier with ultraviolet lamp A humidifier that includes two water reservoir compartments connected via an opening large enough to allow exchange of water between the two compartments, and an ultraviolet lamp that irradiates on the water in the smaller of the two compartments downstream of the l... | 04/22/2008 |
| 7360755 | Cavitation device with balanced hydrostatic pressure A method of mixing two or more dissimilar fluids such a gas and a liquid is provided. The method includes the steps of introducing one fluid into the other to form a mixture, inducing cavitation in the mixture to reduce at least one of the fluids to a large number o... | 04/22/2008 |
| 7344126 | Equipment of multi-rotors zigzag high-gravity rotating beds The equipment of high-gravity multi-rotors zigzag rotating beds according to the present invention comprises a casing, a gas inlet and a liquid outlet being provided at the bottom of the casing, a gas outlet and a liquid inlet being provided at the top of the casing... | 03/18/2008 |
| 7344123 | Dispersing fragrances A fragrance disperser (10) in one form includes a single fan (101) that passes air over a wicked single or double fragrance (102). A second form has the fan (11) reversible to provide two different airstreams (29a, 29... | 03/18/2008 |
| 7329340 | Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems A continuous flow multistage aerobic wastewater sludge digestion system comprising at least two stages connected in series, each stage comprising one or more covered tanks, tank segments or compartments, each having an enclosed separate gas headspace, wherein the ga... | 02/12/2008 |
| 7329351 | Process and apparatus for increasing biological activity in waste treatment in bodies of water A process and apparatus for increasing biological activity in waste treatment ponds and lagoons. In this process a floating fluid circulator having an annular space between nested frusto-conical surfaces is operated in a pond or lagoon. An aerator within the scope o... | 02/12/2008 |
| 7275857 | Apparatus for treating plastics material A device for treating plastics material, in particular thermoplastic plastics material, has a receiving container (1) which has a base (15) and lateral walls (14). In the receiving container at least [one] disc (17) is arranged close to t... | 10/02/2007 |
| 7256532 | Method and apparatus for high voltage gain using a magnetostrictive-piezoelectric composite A method and apparatus attains high voltage gain by using a composite structure of an elastic section of piezoelectric layers bonded between magnetic and electric sections of magnetostrictive layers, with a harmonic magnetic field being applied along the layers at a... | 08/14/2007 |
| 7121536 | Wave generator with oxygen injection for treatment of a body of fluid One embodiment of an aerator is disclosed that has a hollow intake housing with a horizontally disposed lip on a lower portion thereof. This intake housing converges a flow of bubbles into a draft tube. These bubbles are injected into a fluid in which the aerator is... | 10/17/2006 |
| 7114844 | Aeration apparatus and method The present invention provides an improved aeration impeller for use in a mixing assembly having an axis of rotation. The aeration impeller includes a hub and a first and second blades that are connected to the hub. Each blade has a first portion positioned at an an... | 10/03/2006 |
| 7070174 | Mixing apparatus for mixing gas in a closed reactor The invention relates to a mixing apparatus and a method for mixing gas in a closed mixing reactor, which uses gas as a process chemical with a high efficiency and where the content of pulverous solids in the solution is great. The aim is to obtain a flow in the rea... | 07/04/2006 |
| 7037881 | Stabilized colloidal and colloidal-like systems The present invention generally relates to improved compositions comprising stabilized colloidal or colloidal-like phases (e.g., emulsions, aphrons) and methods of using those compositions. The compositions generally comprise an aqueous continuous phase, one or more... | 05/02/2006 |
| 6962329 | Sterile humdifier and method of operating same A humidifier meters water into a chamber in which it is subjected to ultraviolet light for a predetermined period of time sufficient to destroy microorganisms whereupon the static quantity of water is transferred to a water dispersing unit which discharges the decon... | 11/08/2005 |
| 6905537 | Machine and process for filterless removal of particles and organisms from ambient air, carpets and furnishings A machine and process for filterless wet removal of particles from air, carpets or upholstery, comprised of a suction inlet pipe or other contained conveyance for drawing particle laden air and solvent fluid simultaneously into an impeller, an injection orifice for ... | 06/14/2005 |
| 6896246 | Aeration apparatus and method The present invention provides an improved surface aeration impeller for use in a mixing assembly. The improved surface aeration impeller includes a hub and a first blade that is connected to the hub. The blade has a substantially straight first portion and a substa... | 05/24/2005 |
| 6854208 | Light fixture and chemical distribution device A device is disclosed for distributing chemicals, such as mosquito inhibitor chemicals. The device includes a housing and a light source. The light source is positioned within the housing such that the light source can be used to illuminate objects located near the ... | 02/15/2005 |
| 6787036 | Method and apparatus for aerating wastewater Oxygen depleted wastewater is introduced as a stream into the top of a vessel containing a set of perforated triangular vanes arranged to rotate about a vertical axis. The stream is directed downwardly in the vessel along a path that traverses the path of the rotati... | 09/07/2004 |
| 6731480 | Protection circuit for field effect transistor A Zener diode and at least one transistor are connected in series in a reverse direction between a drain of a field effect transistor and a gate thereof. The field effect transistor is turned on when an input of an overvoltage is transmitted to the Zener diode and t... | 05/04/2004 |
| 6592107 | Floating portable humidifier A floating portable humidifier is configured to float partially submerged in an open tray of water. An internal cavity includes water entry apertures below the water line and air entry apertures above the water line. Water enters the cavity through the wa... | 07/15/2003 |
| 6585237 | Fluid contacting device used as structured packing and static mixer A fluid contacting device including a bundle of notched and precontoured strips which are notched periodically at edges and shaped by giving proper orientation (twist) so that the liquid trickling down the strip flows and spreads on the contoured roughene... | 07/01/2003 |
| 6540924 | Method and a device for treating liquids The invention concerns a method and a device for treating liquids, such as wastewater. According to the invention the liquid is transported by help of a pump (10) from the lower area of a tank (1) through a vertically directed pipe (3) up to a 180 degree ... | 04/01/2003 |
| 6332706 | Method for aerating wine A method for aerating wine comprises the steps of pouring wine into a container, placing the container on top of a stir plate, placing a stir bar inside the container, and changing a magnetic field within the stir plate so as to cause the stir bar to rota... | 12/25/2001 |
| 6328286 | Apparatus for blowing streams of bubbles A bubble-blowing apparatus that may simultaneously produce a plurality of bubble streams from liquid bubble solution is provided with a housing, a rotatable fan associated with the housing, an electric motor operatively coupled to rotatably drive the fan,... | 12/11/2001 |
| 6328289 | Device for treating water in a basin In a device (1) for treating waters in a basin, an operating group (8) is immersed in the water, being supported by two upper floats (3) or simply resting on the bottom of the basin. The operating group (8) has, defined inside it, a chamber inside which i... | 12/11/2001 |
| 6325842 | Method and apparatus for aerating The present invention is a method and apparatus for aerating liquids including pumping liquids to be aerated into a hollow manifold, providing nozzles on the manifold and openings in the top of the manifold for spraying the liquids to be aerated therefrom... | 12/04/2001 |
| 6311958 | Humidifier with detachable fan assembly A humidifier is disclosed. The humidifier includes a housing, in which a moisture source resides, and a fan assembly connected to the housing for moving dry air into the housing, through the water source, wherefrom the dry air picks up moisture, and final... | 11/06/2001 |
| 6227525 | Device for mixing and aerating liquids The invention describes a device for treating liquids, in particular waste water, it being possible for the device both to aerate and mix the water. This device includes an aerator and includes a structure to which an independently working mixer is attach... | 05/08/2001 |
| 6182949 | Combination carbonator, soda pump and water agitator A combined agitator (30), carbonator (10) and soda pump arrangement (23, 24) for dispensing beverages uses a magnetic drive coupling (28, 29). The carbonator coolant tank (15) in which the agitator (30) works has an optional ice bank chiller (20).... | 02/06/2001 |
| 6179275 | Dynamic sprayer for an odoriferous substance with low energy consumption The diffuser (1) includes a receptacle which contains the odorous substance to be diffused in liquid form or the like, and which is closed by a diffusion membrane (3c), and means for rotating the receptacle about itself. The receptacle includes a pluralit... | 01/30/2001 |
| 6158722 | Mixing system for introducing and dispersing gas into liquids A mixing system utilizes up pumping impellers which entrain gas into the liquid both at the surface (the gas liquid interface) and below the surface by induction to draw gas down below the surface where it is dispersed into the circulation produced by the... | 12/12/2000 |
| 6086053 | Fan guard mounted mister having plurality of spaced nozzles A mister for use with fans having blades protected by a guard wherein the mister is mounted on the guard and through a plurality of water atomizing nozzles projects a mist into the fan airflow to produce a cooling effect by the evaporation of the moist ai... | 07/11/2000 |
| 6062546 | Method and device for transfer of mass A method and apparatus for the transfer of mass with the aid of rotating surfaces. The fluid with which an exchange or transfer is to be made is introduced in parallel in one or more gaps or channels defined between the rotating surfaces. Rotation of the ... | 05/16/2000 |
| 6059270 | Liquid enriched with a gas, a method of enriching a liquid with a gas, and an apparatus for enriching a liquid with a gas A liquid enriched with a free gas, in particular, water enriched with free oxygen, is produced by mixing the gas and liquid in an overpressurized system to form a mixture and then abruptly reducing the pressure of the mixture.... | 05/09/2000 |
| 5939313 | Stationary vortex system for direct injection of supplemental reactor oxygen A method for efficiently providing supplemental oxygen to a reaction mixture which is oxidized by or otherwise uses air, wherein the reaction mixture is agitated to create one or more stationary vortices, oxygen is injected into the reactor vessel at a st... | 08/17/1999 |
| 5902520 | Scrubber-condenser for gas and vapour streams from industrial processes Apparatus for the purification of gas and vapor streams by the removal of solid, liquid or aeriform polluting substances; the apparatus including a stator formed as a tubular body having a cylindrical inner wall, which body is furnished with at least one ... | 05/11/1999 |
| 5800704 | Foam flotation protein separatior In order to reduce the noise made by a foam flotation separator working on the dispersion apparatus principle and maximise the air supply, the foam flotation separator is designed so as to comprise a dispersion pump (2) which draws in water and a gas such... | 09/01/1998 |
| 5775876 | Ceiling-fan-blade-mounted air freshener apparatus A ceiling-fan-blade-mounted air freshener apparatus includes a housing assembly which includes a lower housing portion and an upper housing portion projecting upward from the lower housing portion. The upper housing portion includes a plurality of vent ap... | 07/07/1998 |
| 5755924 | Apparatus for treating liquid products An apparatus, e.g. centrifugal evaporator, has at least one rotary treatment surface, e.g. a heated evaporating surface, which rises outwards from the rotation axis, a liquid feed in the vicinity of the lowest point of the treatment surface close to the r... | 05/26/1998 |
