Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7390420 | Method and equipment for compressing a dispersion in liquid-liquid extraction The invention relates to a method for controlling and compressing a dispersion formed in the mixing stage of liquid-liquid extraction. The compression of the dispersion is achieved by reducing the cross-section of the separation section in the direction of flow and ... | 06/24/2008 |
| 7350961 | Agitation mixer, pasteurizer, and cleaning device Dissolution of a raw material, fusion of a raw material, or treatment for enhancing the fluidity of a raw material is completed in a short time by an agitation mixer 10 comprising a casing 20 in which a flow channel allowing the passage of fluid is mou... | 04/01/2008 |
| 7331702 | Agitation mixer An agitation mixer 10 comprises a casing 12 through which a fluid passes, an agitator body 15 installed inside the casing 12 and connected to rotation means 92, a liquid inlet 22 for feeding a liquid into the casing 12, | 02/19/2008 |
| 7293909 | Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber An apparatus for agitation mixing comprises a casing including a flow channel through which fluid passes, an agitation body consisting of a shaft installed in the casing and connected to a motor and an agitation blade mounted on the perimeter of the shaft, a powder ... | 11/13/2007 |
| 7235219 | Method and apparatus for removing additives from thermoplastic resin composition There is provided a treatment method of efficiently separating an additive component from a resin component for the purpose of treating and recycling a thermoplastic resin composition containing an additive. The treatment method includes heating and agitating the th... | 06/26/2007 |
| 7166260 | Reactor for producing ultra fine particles A reactor containing a plurality of porous rotors is disclosed. A liquid sprayed in a direction from a rotating axis to the rotors is hit by the porous rotors, creating fine liquid particles, so that a mass transfer takes place between the surfaces of the liquid par... | 01/23/2007 |
| 7134991 | Annular centrifugal extractor with embedded stirring rotor An annular centrifugal extractor with an immersed agitation rotor. The liquid-liquid centrifugal extractor including an emulsion chamber and a settling chamber, aligned because of the addition of a section of axis to the rotor, which allows flow and operation to be ... | 11/14/2006 |
| 7119060 | Controlled delivery system for fabric care products The present invention relates to a controlled delivery system that can be incorporated in liquid, as well as, dry granular, or powder, fabric care products, such as fabric softeners, laundry detergents, rinse added products, and other fabric care products, to enhanc... | 10/10/2006 |
| 7053034 | Targeted controlled delivery compositions activated by changes in pH or salt concentration The present invention relates to a novel controlled release carrier system for pH or salt triggered release and targeted delivery of fragrances and other active ingredients onto fabric, hair, skin, and other biological surfaces and which provides prolonged release o... | 05/30/2006 |
| 7011708 | Heat transfer device A device includes an agitation tank, a liquid circulation means for circulating a liquid along a tank wall of the agitation tank, and at least one auxiliary heat transfer means provided inside the agitation tank, wherein the auxiliary heat transfer means is constant... | 03/14/2006 |
| 6979440 | Compositions and method for targeted controlled delivery of active ingredients and sensory markers onto hair, skin, and fabric The present invention is a controlled delivery system that can be incorporated in hair, skin, and fabric care products such as shampoos, conditioners, hair styling products, lotions, creams, liquid laundry detergents, fabric softener, and other hair, skin, and fabri... | 12/27/2005 |
| 6976947 | Centrifugal extractor of non-contact journaled construction A centrifugal extractor of non-contact journaled construction is provided in which, even under the environments of corrosive gase and mist-like liquid such as nitric acid mist generated in the reprocessing of a spent nuclear fuel, no problem in corrosion or deterior... | 12/20/2005 |
| 6569339 | Method for reducing the size of solvent extraction process steps and cell for using in the solvent extraction process A method and cell for reducing the size of a solvent extraction process in which a series of cells are arranged in an extraction process. The process includes the use of conventional settlers at the beginning and at the end of the extraction process with ... | 05/27/2003 |
| 6458332 | Crystallization apparatus and crystallization method The invention provides a crystallization apparatus that includes an agitation tank, a liquid circulation means for circulating a liquid or a slurry along a wall of the agitation tank, and one or more temperature difference creation means capable of creati... | 10/01/2002 |
| 6432370 | Method and apparatus for controllably conducting a solution, obtained from liquid-liquid extraction of two solutions and mixed into dispersion, to a wide settler In a method according to the invention, a dispersion coming from a mixer part is conducted from downwards to the liquid part of the settler, into the middle part of the feed end, wherefrom it is set to be distributed to inside the settler part, in a close... | 08/13/2002 |
| 6426055 | Application of film forming technology to fragrance control release systems; and resultant fragrance control release systems Described is a fragrance control release system which is an emulsifier-free, single phase, nonporous, continuous, permeable polymeric film having a substantially uniform thickness of from about 1 up to about 150 microns, having entrapped and dissolved the... | 07/30/2002 |
| 6315966 | Crystallization process and device Continuously operated, two-part crystallizer which is particularly suitable for the resolution of racemic mixtures, and process for separating solid mixtures which are difficult to separate, in particular racemates.... | 11/13/2001 |
| 6251267 | Apparatus for supercritical fluid extraction An apparatus for supercritical extraction is disclosed herein. The apparatus includes a plurality of containers adapted to hold a different one of a corresponding plurality of samples, a first transport means for carrying the plurality of sample container... | 06/26/2001 |
| 6048513 | Method for synthesis of hypohalous acid This invention is a method for forming hypohalous acid in a mass transfer device. The method comprises: (1) feeding into the device a stream of caustic solution comprising at least one alkali or alkaline earth metal of a hydroxide, oxide, hypohalite, bica... | 04/11/2000 |
| 6042792 | Apparatus for preparing a solid phase microparticulate composition Described are controlled, time-release microparticulate active and bioactive compositions (including perfuming compositions) for targeted delivery to services such as skin, hair and fabric and the environment proximate thereto, where the active and bioact... | 03/28/2000 |
| 5993670 | Apparatus for admixing of a flocculant liquid to a sludge stream and use of the apparatus There is provided an apparatus in which a distribution head 6 is arranged in a sludge pipe 1, through which a wastewater or sewage sludge stream 2 flows, is associated with a rotational plane 18 and includes flocculation liquid outlets (10) and mixing bla... | 11/30/1999 |
| 5628969 | Chemical separation and reaction apparatus The present invention is an apparatus for use in the separation of volatile from non-volatile substances, separation of volatile substances, one from the other, and for performing various chemical reactions and, in particular, to an apparatus which perfor... | 05/13/1997 |
| 5558845 | Film pump for applying a monolayer film over water surfaces A device for applying an evaporation-inhibiting film to an exposed liquid surface of a liquid body, which includes an impeller disposed below and coplanar with the exposed liquid surface; means for rotating said impeller; means for delivering the evaporat... | 09/24/1996 |
| 5487876 | Apparatus and method for continuous synthesis of vanadium oxide In a method for the continuous synthesis of vanadium oxide from ammonium metavanadate, ammonium metavanadate is fed to the interior of a dryer apparatus through an inlet opening. The interior of the apparatus is maintained at a temperature of approximatel... | 01/30/1996 |
| 5374672 | Method for producing an asphalt binder emulsion which makes it possible to control the viscosity and breaking properties of the emulsion The invention relates to a method for producing an aqueous asphalt binder emulsion which makes it possible to control the viscosity and breaking properties of the emulsion.... | 12/20/1994 |
| 5338779 | Dry polymer activation apparatus and method Polymer activation apparatus for activating a batch of dry polymer in dilution water includes a tank which contains the dilution water in a mixing vessel and a mixing assembly within the mixing vessel. The dilution water is circulated at a high rate throu... | 08/16/1994 |
| 5290433 | Froth washer The washer comprises an open-topped vessel having a tube mounted vertically and centrally therein. Post-primary bitumen froth is fed to the upper end of the tube. Pairs of down throw and up throw propellers mounted to rotate in the tube act to shear the f... | 03/01/1994 |
| 5254076 | Centrifugal pyrocontactor A method for mixing and separating immiscible liquid salts and liquid metals in a centrifugal contractor. The method includes introducing the liquids into an annular mixing zone and intensely mixing the liquids using vertical vanes attached to a rotor coo... | 10/19/1993 |
| 5254244 | Modular mixer-settler having separate stages manipulatable by telemanipulator A mixer-settler is provided which is modulatable and permits use, manipulation and maintenance within a tight, shielded enclosure using a telemanipulator. The mixer-settler is constituted by several modules (M1, M2, M3), which can be reciprocally dismantl... | 10/19/1993 |
| 5188808 | Method for mixing liquid, solids and gas and for simultaneously separating gas or gas and solids from the liquid The invention relates to a method for maintaining a continuous mixing extending throughout the transversal section of the reactor space in a liquid containing solids and gas, and for simultaneously separating gas or gas and solids from the liquid. The inv... | 02/23/1993 |
| 5185081 | Method and apparatus for mixing and separating two liquid phases while preventing aeration and emulsions using a mixer-settler A method and apparatus for mixing two different phases in a liquid-liquid extraction process and for separating the phases employs a spiral stirrer having two tubular coils for creating homogeneous circulation throughout a mixer. The stirrer rotates at a ... | 02/09/1993 |
| 5182087 | Method for mixing two liquids or liquid and solid material together, and for simultaneously separating another liquid or solid from the liquid The invention relates to a method for maintaining a continuous mixing in a liquid throughout the transversal reactor space, and for simultaneously separating from the liquid either another liquid, a solid material or possibly gas. The invention also relat... | 01/26/1993 |
| 5160623 | Apparatus and process for fluid-fluid contact A process and apparatus for effecting liquid-liquid contact in a plurality of stages between heavy and light liquid streams is provided wherein said streams are capable of undergoing mass transfer with one another or constituents in either stream are capa... | 11/03/1992 |
| 5154891 | Laboratory apparatus for separating substances from gas samples The laboratory apparatus is used for separating gaseous, liquid and solid substances from gas samples (for example air) to be trace analyzed. It comprises a vessel and a mixer insert with nozzles. The gas fed into the mixer insert emerges from the nozzles... | 10/13/1992 |
| 5104524 | Apparatus for washing a solvent in the reprocessing of irradiated nuclear fuels The invention is directed to an apparatus for washing a solvent in the recessing of irradiated nuclear fuel. The solvent is washed with an aqueous solution in a mixer-settler having at least one stage which includes a mixing chamber and a settling chambe... | 04/14/1992 |
| 5084249 | Rotary centrifugal contactor A rotary contactor (10) suitable for liquid/liquid extraction processes in a nuclear fuel reprocessing plant includes a rotor (14) with a contacting chamber (16) defined within it, the chamber being of annular shape with its radial width considerably less... | 01/28/1992 |
| 5076930 | Apparatus and process for liquid-liquid contact A process and apparatus for effecting liquid-liquid contact in a plurality of stages between heavy and light liquid streams is provided wherein said streams are capable of undergoing mass transfer with one another or constituents in either stream are capa... | 12/31/1991 |
| 4963329 | Gas reacting apparatus and method Gas reacting apparatus and method are described for wet mass transfer of solute gases from a gas stream with a liquid or slurry reacting medium capable of chemisorption of solute gases in the gas stream. The apparatus comprises an elongated conduit defini... | 10/16/1990 |
| 4957708 | Process and apparatus for forming polymeric solutions There is disclosed an apparatus for forming hydrophilic polymeric solutions wherein a vessel is provided with a mixing assembly comprised of co-axially and vertically-disposed inner and outer cylindrically-shaped wall members mounted to a bottom wall memb... | 09/18/1990 |
| 4923305 | Water bath shaker A water bath shaker apparatus including a drive mechanism for producing a shaking motion and equipped with a tube for accommodating water, and a shelf having secured thereto a container of liquid to be shaken such as, for example, Erlenmeyer flasks. The t... | 05/08/1990 |