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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 |
| 7350963 | Blender jar A blender jar defines a geometry to impart vertical movement to material being processed in the blender jar, and, alternatively or in combination, improves the horizontal movement to the blended material. By configuring one or more agitators on the floor of a jar, l... | 04/01/2008 |
| 7334936 | Mixing device and method of mixing The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 02/26/2008 |
| 7325966 | Device for dispersion and/or homogenization A device (1) which includes a dispersing and/or homogenizing tool (2) and a pump (7) located on the same shaft (10), wherein a pumpable material can be fed from a receptacle, especially a container (3) or a pipe, to the dispersing ... | 02/05/2008 |
| 7237943 | Dynamic fluid mixer A dynamic mixer in which two elements are rotatable relative to each other about a predetermined axis and between which is defined a flow path extending between an inlet for materials to be mixed and an outlet. The flow path is defined between surfaces of the elemen... | 07/03/2007 |
| 7234915 | Sluice feeder The invention concerns a sluice feeder comprising an inlet (1), an outlet (11), and a rotor (2), into which sluice feeder material to be fed from a first medium to a second medium sealed from the first medium is fed to the inlet (1). The ... | 06/26/2007 |
| 7201884 | Process and apparatus for performing a gas-sparged reaction An improved process, such as a microbiological or enzymatic process, and apparatus, such as an apparatus for producing a cellular product, comprising introducing a gaseous feed stream of at least one gas of low solubility into an aqueous medium containing a microorg... | 04/10/2007 |
| 7134621 | Mixing apparatus A mixing apparatus wherein raw material may be crushed to fine particles of desirous size to be mixed uniformally by multi-layered mixing blocks. The mixing apparatus includes a plurality of mixing units piled up in a housing, and arrays of projections formed at the... | 11/14/2006 |
| 7097349 | High intensity blending tool with optimized risers for decreased toner agglomeration The present invention relates to a high intensity blending apparatus, particularly for blending operations designed to cause additive materials to become affixed to the surface of base particles. The tool comprises a shank having riser members at each end, such rise... | 08/29/2006 |
| 7070317 | Method of mixing using vaned mixing device The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 07/04/2006 |
| 7029164 | Automated system and process for the preparation of a high viscosity fluid formulation An automated fluid formulating system for use in small scale laboratory operations. The system utilizes a computer to provide precise control over the measurement of ingredients and the entire formulating process. The novel feature of this invention is that it can p... | 04/18/2006 |
| 6866412 | Apparatus including pump buckets for homogenizing free-flowing substances A homogenizer for homogenizing free-flowing substances, with a rotor which is mounted in a housing so that it can rotate and can be driven by a drive device. An element is mounted in the housing so that it can rotate and can be driven by a drive device independently... | 03/15/2005 |
| 6854878 | Mixing apparatus A mixing apparatus having a mixer unit (7) which includes a cup-shaped stator (24, 33) and a rotor (17) located in the mixing chamber (18). Two inputs (6, 8) and an output (13) are provided. The mixing chamber (18) is... | 02/15/2005 |
| 6783271 | Rotary dispergator, method of producing food products with the use thereof and food products produced by this method A rotary dispergator comprises a rotor (4) set on a shaft (5) of a stator (2) having a coaxial row of teeth (7) and an outer concentric row of straightening blades (8), encompassing the rotor (4) from the outside, the width ... | 08/31/2004 |
| 6648500 | Rotary pulsation device A rotary pulsation device having a body, at least one rotor and one or more stators, in which the increased efficiency of the device is effected through the presence of ultrasonic vibrations generated by the bulk vibration of the rotors, stators, or both,... | 11/18/2003 |
| 6588925 | Rotor-stator mixing apparatus especially for single screw extruder A single screw extruder comprises a mixer associated with the screw, and comprising a rotor driven by the screw and a stator, the rotor and the stator each carrying mutually facing interengaging rings of teeth whereby the material is urged outwardly from ... | 07/08/2003 |
| 6502978 | Apparatus for the production of polyurethane material with a cleaning member having a filler feeding channel and an inclined front surface A process and an apparatus for the production of a polyurethane mixture is described. The apparatus comprises a high-pressure mixing device provided with a mixing chamber opening onto a side of a discharge duct. An elongated cleaning member is reciprocable ins... | 01/07/2003 |
| 6464384 | Mixer systems A system for providing improved bulk liquid mixing and effective gas-liquid contacting for mass transfer of the gas to the liquid, especially a non-Newtonian liquid, the viscosity of which decreases when under shearing conditions (shear thinning), in an u... | 10/15/2002 |
| 6461033 | Portable mixing apparatus A portable mixing device for quickly and efficiently combining dry constituents with water to form a mix having a thin batter consistency and no unmixed material. Mounted on a wheeled, pivoting frame, a single individual can use the device to mix the mate... | 10/08/2002 |
| 6354729 | Mixing apparatus A process and apparatus for the mixing of material by means of the combination of sheer-dispersion and/or extensional-dispersion and distributive mixing actions, in which the mixing occurs in one or more stages within stress inducing flow channels between... | 03/12/2002 |
| 6264357 | Apparatus for suspension polymerization A method of suspension polymerization of a monomeric composition to produce a polymer or a polymer composition is disclosed which method comprises the steps of retaining a disperse phase component composed of the monomeric composition and a continuous pha... | 07/24/2001 |
| 6238082 | Process for producing aqueous dispersion of a polymer substance The present invention provides a process for producing an aqueous dispersion of a polymer substance, wherein a mill is used as a mixing apparatus, the mill comprises a disk-type rotor serving as a rotational body and a stator serving as a non-rotational b... | 05/29/2001 |
| 6213632 | Apparatus for treating an aqueous working medium by shearing in annular treatment slots of varying sizes Apparatus for treating an aqueous medium with a treatment fluid including a housing forming a treatment chamber, a rotatable rotor arranged in the treatment chamber, and including a number of rotor rings carried by the rotatable rotor and coaxially arrang... | 04/10/2001 |
| 6193408 | Mixer A mixer 10 comprises a disc 32 having peripheral edge 35, which is formed in a circular profile concentric with inner circumferential surface 25 of annular outer wall 23; lower pins 50 provided with rear bulged portions 73 extend backward of the rotationa... | 02/27/2001 |
| 6164195 | Method and apparatus for continuous tempering of chocolate-like mass Method and apparatus for continuously tempering a fat-containing, chocolate-like mass. The mass is subjected to a cooling creating crystals in the mass as it passes over crystal creating cooling surfaces, and a final reheating (H). For any raise or drop i... | 12/26/2000 |
| 6077396 | Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent A guide vane is provided in a pin fluffer to assist in pulp mat retention during fluffing by providing a cyclic lift component to the mat as it passes over the vane thereby also further increasing retention time obtained in the fluffer.... | 06/20/2000 |
| 6065395 | Apparatus for continuously tempering chocolate masses and the like An apparatus for continuously tempering chocolate masses and the like includes at least one tempering circuit (17) for a tempering medium and a plurality of chambers (9), at least one of the chambers (9) being connected to the tempering circuit (17). The ... | 05/23/2000 |
| 6059444 | Apparatus for mixing calcined gypsum and its method of operation This invention provides a method and apparatus for mixing calcined gypsum. The invention comprises a mixer which employs high pressure water to eliminate or substantially reduce the formation of lumps of gypsum inside the mixer which cause paper breaks wh... | 05/09/2000 |
| 5968575 | Method for injecting a product into a fluid, and an apparatus for carrying out the method In injection of steam, gas, liquid or a powdered or granulate product into a fluid in an injection apparatus having a substantially disc-shaped rotor (53), a product inlet (50) and a central product outlet (57), the injection is carried out in an annular ... | 10/19/1999 |
| 5934801 | Mixing and kneading apparatus In the case of a mixing and kneading apparatus for the, in particular, thermal treatment of products in the liquid, pasty and/or pulverulent state, with or without the supply and discharge of gases and vapors, in a housing (1), a shaft (2) rotating in sai... | 08/10/1999 |
| 5931579 | Mixer-reactor and process for containing nozzles for carrying out the phosgenation of primary amines A mixer-reactor for mixing at least two fluid substances and carrying out or initiating a reaction between them, wherein the mixer-reactor consists of a substantially rotationally symmetrical casing containing a mixing chamber having separate inlets for t... | 08/03/1999 |
| 5899562 | Apparatus comprising a tempering column for continuous tempering of fat-containing chocolate-like masses with improved stirring The invention concerns an apparatus having a cylindrical tempering column comprising a cooling stage and a subsequent reheating stage for continuous tempering of a fat-containing, chocolate-like mass. A plurality of interconnected mass chambers are separa... | 05/04/1999 |
| 5879078 | Device for producing ceramic sintered body A device for producing a ceramic sintered body consisting essentially of a mixing trough for mixing ceramic powder with water to form a slurry, the mixing trough having stirring blades, a separate slurry circulation conduit and a slurry mixing deflocculat... | 03/09/1999 |
| 5851291 | Chemical foaming machine and mixing apparatus This invention relates to a machine for mixing and blending liquid chemicals with a gas or air, and more particularly for providing an air and chemical mixture having the consistency of a foam substance for coating the surface of a fabric or other substra... | 12/22/1998 |
| 5813758 | Concentric ring fluidizing mixer A mixer, having a unique rotor, is particularly suitable for mixing paper pulp having a consistency of about 6-15% (medium consistency) with a bleaching gas having an ozone content of at least one percent, and typically at least six percent. The rotor com... | 09/29/1998 |
| 5791778 | Method and apparatus for mixing gaseous chemical to fiber suspension A method and apparatus allow large volumes of gas (at least about 10% by volume) to be mixed into a cellulosic fiber suspension having a consistency of about 8-25%. The mixing of ozone containing gas into the suspension is particularly desirable. The susp... | 08/11/1998 |
| 5759604 | Mixing of particulate solids and liquid for fluid food preparation Fluid foods and beverages are prepared by feeding a liquid and particles for consumption in a food or beverage, wherein the particles have an average size less than 1 mm, into a chamber area having opposing sides defined by a face of one stationary disc a... | 06/02/1998 |
| 5725306 | High efficiency mixer for mixing pulp material and treatment substances A mixer for fluffing and mixing pulp with treatment additives includes a disc rotor, an annular stator, a pulp feed channel, a ribbon feeder and a baffle, the axially rotating disc rotor including a shaft and a grinding segment. The stator includes a grin... | 03/10/1998 |
| 5632596 | Low profile rotors and stators for mixers and emulsifiers A rotor-stator assembly includes a rotor and a stator, each of which has a plurality of teeth wherein the height of the teeth is less than approximately one twentieth the diameter of the rotor-stator. According to a presently preferred embodiment of the i... | 05/27/1997 |
| 5630909 | Pulp fluffing gas contactor A guide vane is provided in a pin fluffer to assist in pulp mat retention during fluffing by providing a cyclic lift component to the mat as it passes over the vane thereby also further increasing retention time obtained in the fluffer.... | 05/20/1997 |
| 5622650 | Emulsifying milling machine and process for emulsifying A mill for emulsifying immiscible fluids comprises a mill body having a cylindrical cavity extending therewithin, a fluid inlet at one end of the cavity and a fluid outlet near the other end, both in fluid communication with the cavity. The mill further c... | 04/22/1997 |
