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 |
| 7658805 | Concrete cleaning and preparation composition A concrete cleaning and preparation composition is described, which includes urea hydrochloride, surfactant, water, and one or more glycol ethers. Also described is a method of preparing a concrete surface, including pre-wetting a concrete surface, using a cleaning ... | 02/09/2010 |
| 7641740 | Wash chamber for automated appendage-washing apparatus A wash cylinder or chamber for an automated cleaning station to clean an object or a person's body part includes nozzles on the interior of the cylinder, the nozzles of one embodiment comprising an increasing roll angle providing a novel spray pattern. Additionally,... | 01/05/2010 |
| 7585375 | Method of cleaning a surface The application of a gel-like material is disclosed for cleaning a surface having foreign matter thereon, such gel-like material produced by magnetically treating and mixing two solutions, the first solution being comprised of water and sodium bicarbonate and the se... | 09/08/2009 |
| 7531048 | On-wing combustor cleaning using direct insertion nozzle, wash agent, and procedure A cleaning method for a combustor comprises positioning a spray portion of a nozzle through an igniter plug boss and spraying an acid solution inside the combustion chamber. The acid solution impinges the inner liner and the outer liner, dissolving contaminant depos... | 05/12/2009 |
| 7527699 | Concrete/asphalt wet washing system A surface cleaning system having a storage container, debris collection apparatus and debris conduit is disclosed. Water discharged from spray nozzles configured in a circular arrangement forces debris into a debris collection ring and then a debris conduit. An auge... | 05/05/2009 |
| 7517414 | Method of cleaning and degreasing surfaces The application of a gel-like material is disclosed for cleaning a surface having foreign matter thereon, such gel-like material produced by magnetically treating and mixing two solutions, the first solution being comprised of water and sodium bicarbonate and the se... | 04/14/2009 |
| 7501026 | Liquid hard surface cleaning composition The present invention relates to a process of cleaning a hard surface, said process comprising the step of applying a liquid hard surface cleaner composition onto said hard surface in the form of a spray, wherein said composition comprises a hydrophobically modified... | 03/10/2009 |
| 7485191 | Nozzle tip and methods of use A nozzle tip having two faces and methods of using the nozzle tip are described. The nozzle tip has a proximal end, a distal end, and a longitudinal axis extending from the proximal end to the distal end. The proximal end has an opening defined by a first face inclu... | 02/03/2009 |
| 7435301 | Cleaning solution of silicon germanium layer and cleaning method using the same Disclosed are a cleaning solution for preventing damage of a silicon germanium layer when cleaning a semiconductor device including the silicon germanium layer and a cleaning method using the same. The cleaning solution of a silicon germanium layer includes from abo... | 10/14/2008 |
| 7422021 | Method of cleaning oil strainer A method for cleaning an oil strainer in an oil pan of an internal combustion engine from which substantially all lubricant has been drained, the method comprising connecting a first conduit to said oil pan; introducing a cleaning fluid into said oil pan; connecting... | 09/09/2008 |
| RE40463 | Rollover pressure car wash apparatus and methods of operating same A variable pressure spray type vehicle laundry apparatus in which a carriage is mounted for longitudinal displacement along overhead parallel beams and an inverted L shaped spray arm carrying both horizontally and vertically directed nozzles circumscribes the vehicl... | 08/26/2008 |
| 7416611 | Process and apparatus for treating a workpiece with gases In a method and apparatus for cleaning or processing a workpiece, a process gas is brought into contact with the workpiece by diffusion through a heated liquid layer on the workpiece, and by bulk transport achieved by entraining the gas in a liquid stream, spray or ... | 08/26/2008 |
| 7416612 | Process for removal of paint from plastic substrates A process for removing paint from a plastic substrate that typically includes immersing and optionally agitating the painted plastic substrate in a first chemical fluid, removing the substrate from the first chemical fluid, typically immersing and optionally agitati... | 08/26/2008 |
| 7412979 | Selective removal or application of a coating on a portion of a container The present invention relates to an apparatus and method for removing a coating material from a predetermined first portion of a container, while retaining the coating on a second portion of the container, or alternatively applying a coating to a predetermined porti... | 08/19/2008 |
| 7410544 | Method for cleaning electroless process tank A method for cleaning a metal plating tank is provided herein. In accordance with the method, the tank is exposed to a first acid (103), after which the tank is exposed to a second acid in the presence of a first oxidizing agent (107). ... | 08/12/2008 |
| 7406971 | Method of simultaneously flushing internal cavities of multiple parts An improved method for flushing the residue from internal surfaces of cavities in, for example, turbine blades. In accordance with one aspect of the invention, provision is made for simultaneously flushing the internal cavities of a plurality of turbine blades, with... | 08/05/2008 |
| 7404903 | Drill cuttings treatment system A process for the separation of oil from invert mud drill cuttings. Invert mud drill cuttings are supplied to a mixing chamber of a jet pump. The invert mud drill cuttings are agitated within the jet pump to effect transformation of the solids-oil matrix of the inve... | 07/29/2008 |
| 7402362 | Method and system for reducing and monitoring precipitated defects on masking reticles A method and system is disclosed for reducing and monitoring precipitated defects on mask reticles. A predetermined gas is provided into an environment surrounding the reticle assembly for reducing a formation of the precipitated defects around the mask reticle caus... | 07/22/2008 |
| 7398785 | Method for cleaning a culvert A tool for cleaning a culvert comprises a rod having a center longitudinal axis, a housing having a center longitudinal axis and coupled coaxially to the rod, the housing having an interior chamber, the housing has an outside dimension that can be accommodated withi... | 07/15/2008 |
| 7396417 | Method for removing laser scales A degreasing method for descaling or removing laser scales from iron-containing metal part surface by treating the iron-containing metal part surfaces that is optionally tainted with laser scales with an aqueous solution containing at least one type of highly water-... | 07/08/2008 |
| 7396418 | Process for removing particles from reticle A process for removing particles from a reticle is described, wherein the process is performed by using a pellicle particle detector (PPD) and a particle removing tool disposed in front of the PPD as well as fixed to the PPD. The particle removing tool includes at l... | 07/08/2008 |
| 7390368 | Aqueous fiber optic cleaner Fiber optic connector end faces are cleaned effectively by exposing the fiber optic connector end face to the disclosed predominantly aqueous solution and wiping the fiber optic end face dry. The predominantly water-based cleaning solution contains water, water solu... | 06/24/2008 |
| 7381279 | Article for deionization of water An article of manufacture, a system, and a method for at least partially deionizing water, including but not limited to converting tap water into essentially deionized water that can be used for numerous purposes including, but not limited to cleaning and/or treatin... | 06/03/2008 |
| 7380557 | Method of flushing a coil pipes(s) of a heat exchanger A heat exchanger coil pipe is internally cleaned off dirt deposits by forcing ice and water to pass the pipe. A system for carrying out the cleaning comprises a suction pump, a wastewater collecting tank, a suction hose for connection between the waste and wash wate... | 06/03/2008 |
| 7377283 | Coiled tubing wellbore cleanout A method and apparatus for substantially cleaning fill from a borehole is described variously including running a coiled tubing assembly into the wellbore, creating a fluid vortex by circulating cleaning fluid through the coiled tubing, and pulling the coiled tubing... | 05/27/2008 |
| 7377982 | Method for the removal of airborne molecular contaminants using water gas mixtures The present invention discloses a method for the removal of a number of molecular contaminants from surfaces within a device. A purge gas containing oxygen and/or water is introduced into the interior of the device, contacting at least a portion of the interior surf... | 05/27/2008 |
| 7377984 | Method for cleaning a photomask Disclosed herein is a method of cleaning a photomask, which prevents haze from being generated on a surface of the photomask during a photolithography process. The photomask is heat treated to remove residual ions on a surface thereof and to induce curing and oxidat... | 05/27/2008 |
| 7374621 | System and method for cleaning chemistry and processing during thin film magnetic head wafer fabrication A solution of ammonium citrate and benzotriazole (BTA) is used to clean thin film magnetic head wafers. When used with brushing, the solution is a highly efficient process for removing particles, such as those generated during chemical-mechanical polishing (CMP), wi... | 05/20/2008 |
| 7367516 | Decontamination liquid spraying appliance A decontamination liquid spraying appliance has a storage container for the receiving decontamination liquid, in particular of GD5 solution, and further has a spraying device flow-connected to the storage container. The appliance is used for the decontamination of o... | 05/06/2008 |
| 7367344 | Atmospheric pressure non-thermal plasma device to clean and sterilize the surfaces of probes, cannulas, pin tools, pipettes and spray heads The present invention relates to methods and apparatus for the use of atmospheric pressure non-thermal plasma to clean and sterilize the surfaces of liquid handling devices. In one embodiment, a method of cleaning a fluid handling device includes the steps of insert... | 05/06/2008 |
| 7368020 | Reduced particle contamination manufacturing and packaging for reticles A method of transporting a reticle is disclosed. The reticle is placed in a reticle carrier that has an ionizer. Moreover, the reticle may be attached with a pellicle. The pellicle consists of a pellicle frame and a pellicle film stretched over the pellicle frame. T... | 05/06/2008 |
| 7364032 | Chip discharge system A chip discharge system with a fluid dispersing means which inhibits clogging, which has a simple structure, which can spray out a uniformly-spreading flow, and which can adjust the momentum of dispersing flow without requiring an additional device. ... | 04/29/2008 |
| 7364625 | Rinsing processes and equipment Described are methods of rinsing and processing devices such as semiconductor wafers wherein the device is rinsed with using a surface tension reducing agent; the method may include a subsequent drying step which preferably incorporates the use of a surface tension ... | 04/29/2008 |
| 7361234 | Photolithographic stepper and/or scanner machines including cleaning devices and methods of cleaning photolithographic stepper and/or scanner machines Stepper and/or scanner machines including cleaning devices and methods for cleaning stepper and/or scanner machines are disclosed herein. In one embodiment, a stepper and/or scanner machine includes a housing, an illuminator, a lens, a workpiece support, a cleaning ... | 04/22/2008 |
| 7361231 | System and method for mid-pressure dense phase gas and ultrasonic cleaning Workpieces are loaded into a cleaning chamber. The cleaning chamber is pressurized with a first dense-phase cleaning fluid, the temperature and pressure of the first dense-phase fluid being maintained at less than about 1500 psi using a temperature control device. T... | 04/22/2008 |
| 7358215 | Quaternary ammonium salts as thickening agents for aqueous systems This invention relates to the use of alkyl amido quaternary ammonium salts, and formulations thereof, as thickening agents in aqueous based fluids, especially those used in oil field applications. The quaternary ammonium salts of the present invention exhibit improv... | 04/15/2008 |
| 7354485 | Cleaning solution A method of cleaning a surface which comprises the step of applying an aqueous cleaning solution to the surface wherein the active cleaning ingredient of the aqueous solution consists essentially of a lignosulfonate. It has been found that lignosulfonate can functio... | 04/08/2008 |
| 7353832 | Housingless washer An industrial parts washer includes a stand adapted to support a part, a chamber selectively movable from a first position clear of the part to a second position engaging the stand where the chamber forms a closed volume encapsulating the part. A nozzle is positione... | 04/08/2008 |
| 7351295 | Cleaning and polishing rusted iron-containing surfaces A method for cleaning and polishing a rusted iron-containing metal surface is disclosed. The metal surface is contacted with a composition containing fluorometallate anions of a Group IVB metal. ... | 04/01/2008 |
| 7344603 | Solvent for treating polysilazane and method of treating polysilazane with the solvent Polysilazane is treated with a single or mixed solvent comprising one or more members selected from the group consisting of xylene, anisole, decalin, cyclohexane, cyclohexene, methylcyclohexane, ethylcyclohexane, limonene, hexane, octane, nonane, decane, a C8-C11 al... | 03/18/2008 |