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 |
| 7384184 | Apparatus for mixing a chemical medium with a pulp suspension Apparatus for mixing a chemical medium with a pulp suspension is disclosed, comprising a housing, a first feeder for feeding the pulp suspension to a mixing chamber, a rotor body connected to a rotor shaft to supply kinetic energy to the pulp suspension flow, such t... | 06/10/2008 |
| 7384185 | Apparatus for mixing a chemical medium with a pulp suspension The present invention relates to an apparatus for mixing of a chemical medium in gaseous or liquid state with a pulp suspension. The apparatus comprises a housing having a wall (2) that defines a mixing chamber (4), a first feeder (6) for feedin... | 06/10/2008 |
| 7222725 | Pin conveyor for pasty materials such as animal waste A pin conveyor for pasty materials such as animal waste including a housing with a cylindrical inner surface extending along and about an axis. Within the housing surface, a shaft is mounted for rotation about the axis and has a plurality of pins attached to it in a... | 05/29/2007 |
| 7148285 | Coated carbon black pellets and methods of making same A method of producing coated carbon black pellets is disclosed and includes contacting carbon black pellets with a coating agent to at least partially coat the individual carbon black pellets with the coating agent. The amount of coating agent applied to the carbon ... | 12/12/2006 |
| 7008101 | Method and apparatus for reproducible dissolution testing of pharmaceutical products In a method for reproducible dissolution of a pharmaceutical product in a dissolution medium contained within a vessel, a flow regime characterized by high turbidity and low bulk movement of dissolution medium is induced within the vessel. Simultaneously, solid part... | 03/07/2006 |
| 6676285 | Low speed precision stirring/mixing device A mixing device for low speed precision mixing of contents of a vessel has a support member adapted to be rotatably supported in spaced relationship from a bottom portion of the vessel and separated therefrom by a gap, and a brush assembly depending from ... | 01/13/2004 |
| 6551655 | Systems, methods, and apparatuses for application of liquid additives to materials This invention provides a mixing chamber that utilizes several tined cylinders to convey materials through the mixing chamber for applying liquid additives to the materials. Each of the tined cylinders includes a number of spring biased tines extending fr... | 04/22/2003 |
| 6305831 | Apparatus for mixing and advancing a polymer melt An apparatus for mixing and advancing a polymer melt, which includes a mixer and a conveying device. The mixer comprises a tubular mixing shaft (outer shaft) and an inner mixing shaft (inner shaft). The tubular outer shaft is arranged in surrounding relat... | 10/23/2001 |
| 6109488 | Apparatus for conditioning and dispensing loose fill insulation material An apparatus capable of conditioning and dispensing high volumes of loose fill insulation material includes a hopper for receiving unconditioned insulation material and for conditioning the insulation material, and an air lock for receiving the conditione... | 08/29/2000 |
| 6059449 | Rotatable mixing head with sealed bearings A rotatable mixing head assembly attachable to a boom of an excavating machine comprising a torque tube supporting a motor mounted within the torque tube, and a mounting assembly for attaching the rotatable mixing head assembly to the boom of an excavatin... | 05/09/2000 |
| 5953983 | Food processing device An enclosed food processing device is provided having one or more conveyor belts and vertically rotating agitators positioned above the belt. The agitators have forwardly and rearwardly projecting prongs that stir the food being processed without causing ... | 09/21/1999 |
| 5836689 | Device for kneading high-consistency fiber pulp Kneading device for high-consistency fiber pulp that includes at least two substantially rotationally symmetrical and coaxial kneading machines, that are movable relative to each other. The kneading machines may include teeth in ring-shaped tooth rows for... | 11/17/1998 |
| 5836690 | Rotatable mixing head having sealed bearings A mixing head assembly attachable to a boom of an excavating machine comprising a torque tube supporting a motor mounted within the torque tube, and a mounting assembly for attaching the mixing head assembly to the boom of an excavating machine. The devic... | 11/17/1998 |
| 5829649 | Apparatus for conditioning and dispensing loose fill insulation material A machine for conditioning and dispensing loose fill insulation material, such as cellulosic insulation, fiber glass insulation and rock wool insulation. The machine includes a hopper, a conditioning chamber, an air lock and a blower for pneumatically dis... | 11/03/1998 |
| 5775986 | Cooked meat pulling apparatus An apparatus for pulling a cooked meat product into individual strands. A preferred embodiment including a feed roller set that compresses a cooked meat product to initially start the separation process and controllably delivers the food product to a feed... | 07/07/1998 |
| 5697704 | Method and apparatus for separating clumps of dried fruit Clumps of dried fruit are separated into individual fruit pieces with reduced damage to the fruit itself by passing the clumps through an apparatus containing a rotating shaft from which robber-like resilient fingers protrude. As they rotate, the fingers ... | 12/16/1997 |
| 5692831 | High speed combined mixing and transport tool A blender mixing shaft and a high speed transport and mixing tool combination wherein the blender mixing shaft has a sidewall and a hollow interior and at least one transverse opening provided through the sidewall with an elongated, hollow, transport and ... | 12/02/1997 |
| 5630666 | Cone-shaped paint container A paint can comprising a container having an upper portion formed in cylindrical configuration and a lower portion formed in an inverted cone shaped configuration, the lower portion having an aperture with internal female threads at its lower central exte... | 05/20/1997 |
| 5607235 | High speed combined mixing and transport tool A blender mixing shaft and a high speed transport and mixing tool combination wherein the blender mixing shaft has a sidewall and a hollow interior and at least one transverse opening provided through the sidewall with an elongated, hollow, transport and ... | 03/04/1997 |
| 5407132 | Method and apparatus for spraying viscous adhesives A method and apparatus for spraying adhesive compositions having a high solids content comprises a source of supercritical fluid diluent such as supercritical carbon dioxide, a source of virgin adhesive, an adhesive dispenser and a mixer communicating wit... | 04/18/1995 |
| 5403087 | Mixing apparatus and mixing method for mixing fibrous and powder materials Mixing method and apparatus using two shafts which rotate in a reverse direction with respect to each other, having mixing pins branched in a V shape or Y shape and a mixing bath arranged in such manner that fibrous and powder materials are input to one e... | 04/04/1995 |
| 5098628 | Centrifugal molding method for composite pipe having a resin concrete layer A centrifugal molding method which can smooth the inner surface of the resin concrete layer of a resin concrete pipe or of a composite pipe having a resin concrete layer even without using any special sand conditioning mechanism and which is high in produ... | 03/24/1992 |
| 4606647 | Pin mixer A pin mixer for mixing particulate solids having a rotor with a plurality of radially extending pins removably attached thereto. The pins form a plurality of axially and angularly staggered helices along the rotor, and pins adjacent the inlet of the mixer... | 08/19/1986 |
| 4478520 | Compost turning and shredding apparatus A compost turning machine which travels along the ground and straddles a compost windrow, and which carries a rotating drum for turning the composting material. An adjustable auger system is located outboard and ahead of the rotating drum to collect compo... | 10/23/1984 |
| 4449826 | Apparatus for preparing mortar or the like The percentage of entrapped air in mortar, plaster, concrete or a like building material which is prepared on a continuous basis is increased, preferably by at least 100 percent, by providing a mixing chamber with one or more barriers which oppose the pro... | 05/22/1984 |
| 4401606 | Apparatus and method for reforming high-molecular weight oils An apparatus for preparing dispersions comprising a closed casing in the form of a bottomed hollow cylinder, a rotor disposed within the casing coaxially therewith and having a multiplicity of hard wire projections on the peripheral wall of the rotor, at ... | 08/30/1983 |
| 4171165 | Cellulose insulation storage bin with improved debridger An improved debridger is provided in one or more storage bins in a cellulose insulation manufacturing plant which minimizes the bridging of the cellulose insulation across the storage bins between an inlet at the top thereof and an auger-fed outlet at the... | 10/16/1979 |
| 4136975 | Carbon black pelleter A carbon black pelleter is dislosed in which pins are affixed to a rotatable shaft and extend radially outwardly from the shaft in a plurality of helical flights. The pins are arranged such that upon rotation of the shaft the trace of a pin of a first hel... | 01/30/1979 |
| 4123226 | Method employing a mixing device with internal recycle In a mixing device adapted to mix materials flowing therethrough from an inlet end to an outlet end in which there are provided agitating elements as on a rotating shaft, there is provided an internal recycling means to impel at least a portion of the mat... | 10/31/1978 |
| 4083537 | Lint removing apparatus Dilute sulphuric acid is added to, and thoroughly mixed with, lint-bearing cotton seeds to saturate the lint on those lint-bearing cotton seeds. The resulting acid-treated lint-bearing cotton seeds have heated air passed adjacent to and around them while ... | 04/11/1978 |
| 4015830 | Apparatus for applying glue to chips, fibers and the like An apparatus for applying glue to chips, fibers and the like of wood, bagasse and other cellulose containing substances, which comprises a substantially cylindrical mixing chamber in which a shaft rotates equipped with radially extending mixing and/or glu... | 04/05/1977 |
| 3986705 | Method and device for continuously mixing and/or granulating substances A method and a device for performing said method for mixing and/or granulating pulverulent- or granular substances and at least one liquid in a continuous process, while the material is moved in a vessel from top to bottom and at least at one location of ... | 10/19/1976 |
| 3977658 | Apparatus for working plastic materials Apparatus for the working of plastic materials, including three separate portions consisting of two screw pumps between which lies a conical kneading rotor having radical fingers and rotating in a cylindrical housing.... | 08/31/1976 |
| 3945616 | Device for mixing flowable material such as adhesive with particulate material A device for mixing glue or a like flowable substance with particulate material such as wood chips in which the chips are fed into one end of an elongated horizontal cylindrical chamber and are discharged from the other end while being caused to follow a ... | 03/23/1976 |
| 3938783 | Method for continuous mixing of foam materials Methods and apparatus are disclosed for continuous mixing of formulations for urethane products. A hydroxyl mixture and isocyanate, the major foam components, are supplied to a mixer. In the mixer, the components are mixed by transverse shearing and agita... | 02/17/1976 |