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Patent No. 5823386

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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Attorney: Manelli Denison & Selter PLLC


Number of patents: 455
Last date: February 24, 2009

                  11    
NumberTitleIssue Date
6506020Blade platform cooling
A turbine assembly for a gas turbine engine includes a plurality of turbine blades (32) mounted on a rotatable support means in the form of a turbine disc so as to extend radially therefrom. The turbine blades include circumferentially extending blade pla...
01/14/2003
6500301Apparatus for gasification of spent liquor
Arrangement for understoichiometric gasification of spent liquor from chemical pulp production, comprising an upper reactor part (2), which upper reactor part is provided with a burner (5) for the spent liquor and with an internally clad reactor jacket (4...
12/31/2002
6498000Photocatalyst composite and process for producing the same
A photocatalyst composite is provided which comprise a substrate having particles of a photocatalyst such as titanium oxide, adhered thereon via a less degradative adhesive such as a fluorinated polymer comprising a copolymer of a vinyl ester and/or vinyl...
12/24/2002
6497776Method of manufacturing a ceramic matrix composite
A method of manufacturing a ceramic matrix composite comprises forming a slurry comprising a ceramic sol, filler particles and a solvent and forming laminates of fibres (12). The laminates of fibres (12) are impregnated with the slurry and are stacked (14...
12/24/2002
6491883Air-cleaning photocatalytic filter
A photocatalytic filter having a coating layer formed in a thickness of 5 to 60 μm on a base material and including 5 to 60% by weight of ultraviolet ray-transmissible particles (such as glass particles or fibers) having a minor axis of 0.2 to 50 μm, 20...
12/10/2002
6486436Workpiece clamping system
A magnetic clamping system and method for locating and holding a workpiece (6), in particular a non-magnetic workpiece (6) within a machine tool (2) and specifically a numerically laser cutting or drilling machine tool. The system comprising at least one ...
11/26/2002
6485658Phthalocyanine, process for producing the same and electrophotographic photoreceptor using the same
Disclosed are a phthalocyanine composition having main diffraction peaks at 7.0°, 9.0°, 14.1°, 18.0°, 23.7° and 27.3° of Bragg angles (2θ&#b1;0.2°) in an X-ray diffraction spectrum with Cu K଱, a process for producing the same and an ele...
11/26/2002
6485459Retractable non-reusable needle
A syringe includes a needle mounted in a frangible plug at the tip thereof and is equipped with a plunger having a stopper at one end thereof with the end of the plunger having an opening for capturing the end of the needle that projects into the barrel o...
11/26/2002
6485255Cooling air flow control device for a gas turbine engine
A cooling air flow control device for a gas turbine engine, the cooling air flow control device comprising a component, a cooling passage defined within the component and a shaped memory metal valve, the shaped memory metal valve disposed in the cooling p...
11/26/2002
6480500Arrangement for creating multiple virtual queue pairs from a compressed queue pair based on shared attributes
A host channel adapter is configured for efficiently managing multiple queue pairs by compressing queue pairs having similar properties into queue pair tables configured for storing compressed queue pair entries having shared attributes. Hence, multiple v...
11/12/2002
6470685Combustion apparatus
A wall structure for a gas turbine combustor arranged to have a general direction of fluid flow therethrough includes inner and outer walls defining a space therebetween. The inner wall is made up of a plurality of tiles having axial edges aligned general...
10/29/2002
6467168Method of manufacturing an article by diffusion bonding and superplastic forming
A method of manufacturing a gas turbine engine fan blade (10) comprises forming three metal workpieces (30,32,34). The metal workpieces (30,32,34) are assembled into a stack (36) so that the flat surfaces (38,42,46,48) are in mating abutment. Heat and pre...
10/22/2002
6458407Process for producing essential oil by subcritical or supercritical water treatment
The present invention provides a novel process for producing an essential oil from a plant material. Concretely, the process produces an essential oil in a short time and by a simple procedure by treating a plant material with supercritical water or subcr...
10/01/2002
6455535Substituted aminoquinazolinone (thione) derivatives or salts thereof, intermediates thereof, and pest controllers and a method for using the same
The present invention relates to substituted aminoquinazolinone (thione) derivatives or salts thereof, intermediates thereof for preparing the same, pest controller compositions and methods for using the same, where in particular, the compounds of the pre...
09/24/2002
6451757Chelating agent and detergent comprising the same
The present invention relates to a biodegradable amino-carboxylic acid chelating agent which comprises a compound of the following formula (1) and at least one compound selected from the group consisting of aspartic acid, maleic acid, acrylic acid, malic ...
09/17/2002
6448055Ɗ9-desaturase gene
Genomic DNA and cDNA encoding Ɗ9-desaturase from a microorganism belonging to the subgenus Mortierella of the genus Mortierella, an expression vector for expression thereof, and a transformant are disclosed. A method for producing Ɗ9-desaturase by use o...
09/10/2002
6447252Rotor-shaft connector
An annular connector for connecting a rotor and shaft, has an axial cross sectional profile which approximates a serpentine form. The shape defines only obtuse angles and curves, so that during rotation of the assembly, stress variations in the connector ...
09/10/2002
6444379Method and apparatus for manufacturing printed wiring board
There are provided a method for preparing a printed wiring board which can form electrostatic latent images at the desired positions of a substrate with good precision, and a uniform and good image can be formed for preparing a printed wiring board having...
09/03/2002
6444332Metallic article having a protective coating and a method of applying a protective coating to a metallic article
A metallic turbine blade (10) has a protective coating (22) applied to the shank (16) and the root (18) of the turbine blade (10). The protective coating (22) comprises a chromized coating (24) diffused into the surface of the metallic article (10) and a ...
09/03/2002
6435815Aerofoil for an axial flow turbo machine
An aerofoil (22,24), preferably of a high lift, highly loaded design, for an axial flow turbo machine (10). The aerofoil having a span, a leading edge (LE), a trailing edge (TE) and a cambered sectional profile comprising a pressure surface (30,72) and a ...
08/20/2002
6434267Interpretation of thermal paint
A method for analysing a thermal paint includes the step of defining a color space in at least two dimensions, the dimensions representing different colors and/or luminance values. The location of reference points, representing calibration data, is define...
08/13/2002
6433660Resistive superconducting current limiter
A superconductor is placed inside a non-metallic cryostat filled with a cooling medium to maintain the superconductor in a superconductive state. A foil winding is connected in series with the superconductor by current leads and the cryostat is placed ins...
08/13/2002
6431756Bearing damper
A vibration damper comprises a bearing located between two rotatable shafts and an axially extending oil entry surface positioned radially inwardly of the radial outer surface of the bearing outer race and axially adjacent one end of the bearing. The oute...
08/13/2002
6423534Method for eliminating ethanol in exhaust gas
A method and an apparatus for decomposing and eliminating ethanol in an exhaust gas by bringing the ethanol in the exhaust gas into contact with an ethanol-utilizing microorganism held in a filter bed are provided. A microorganism selected from the genus ...
07/23/2002
6418806Model test apparatus and method
The fire resistance of components normally subject to a standard flame test is evaluated using low temperature model tests. Reynolds number, Froude number, the pressure ratio of the flame to the surrounding atmosphere are matched in the modelling paramete...
07/16/2002
6418619Method of manufacturing an article by superplastic forming and diffusion bonding
A method of manufacturing an article (10) from two metal workpieces (30,32), the first and second metal workpieces (30,32) define the outer profile of the article (10). The second workpiece (32) is thicker than the first workpiece (30). The first workpiec...
07/16/2002
6412339Monitoring of bearing performance
A method and apparatus for anticipating the onset of or measurement of a deleterious condition in a bearing comprising monitoring the bearing for electrostatic activity indicative of the onset of the condition using one or more electrostatic sensors, proc...
07/02/2002
6412282Combustion chamber
A three stage lean burn combustion chamber (28) comprises a primary combustion zone (36), a secondary combustion zone (40) and a tertiary combustion zone (44). Each of the combustion zones (36,40,44) is supplied with premixed fuel and air by respective fu...
07/02/2002
6407121Arylpiperidine derivatives and use thereof
The present invention provides an arylpiperidine derivative of the formula (I) or a pharmaceutically acceptable salt thereof, which has antipsychotic effect: ##STR1## wherein D is a carbon atom or a nitrogen atom, E is a CH group or a nitrogen atom, ...
06/18/2002
6401014Signal system
A signal system 10 for a vessel such as an aircraft, incorporates nodes 16A, B, C arranged in a hierarchy. Low level nodes 16C are associated with plant 14 of the aircraft. Mid-level nodes 16B can communicate with groups of low level nodes 16C, grouped by...
06/04/2002
6394746Gas turbine engine blade containment assembly
A gas turbine engine rotor blade containment assembly (38) comprising a generally cylindrical, or frustoconical, first metal casing (40) and a plurality of generally cylindrical, or frustoconical axially spaced second metal casing is (54, 56 & 58). The se...
05/28/2002
6381947Fuel injection for a staged gas turbine combustion chamber
In a staged gas turbine combustion engine, each combustion chamber of an annular array of chambers includes at least a pilot and a main combustion stage each having an fuel injection nozzle; the method includes feeding fuel continuously in operation to th...
05/07/2002
6378293Gas turbine engine bearing arrangement
A gas turbine engine (10) is provided with a plurality of shafts (18, 19, 20) interconnecting its compressor portions (11, 12, 13) with its turbine portions (15, 16, 17). Each shaft (18, 19, 20) is supported in the hotter part of the engine by electromagn...
04/30/2002
6377665Apparatus and method of implementing a universal home network on a customer premises UPN telephone lines
A customer premises system having two-wire buses for transmission of digital telephony signals between a private branch exchange (PBX) and respective end equipment units includes low pass filters coupled to PBX and end equipment unit terminal ends of the ...
04/23/2002
6372866Process for producing cationic emulsion
A process for producing a cationic emulsion stable to alkalis having an average particle diameter of 0.01 to 0.1 micron, in which, using as an emulsifier, a water-soluble polymer A2 obtained by subjecting a polymer A1 obtained by cop...
04/16/2002
6371721Gas turbine engine blade containment assembly
A turbofan gas turbine engine (10) comprises a fan rotor (32) carrying a plurality of radially extending fan blades (34). A fan blade containment assembly (38) surrounds the fan blades (34) and the fan blade containment assembly (38) comprises a generally...
04/16/2002
6360989Nacelle assembly for a gas turbine engine
A nacelle assembly 40 adapted for mounting on a ducted fan gas turbine engine 20 comprising a generally annular body 46 having an air inlet 42 and an air outlet 44, the generally annular body 46 encircling a region of the engine 20 when working in operati...
03/26/2002
6358013Turbine blade and manufacture thereof
A gas turbine blade (10) which has a rounded trailing edge (18), is provided with a row of side by side arranged ceramic fibres (20) along the trailing edge (18). During operation of the turbine blade (10), the rounded shape of trailing edge (18) causes g...
03/19/2002
6349537Vehicle main and auxiliary power units
An aircraft gas turbine propulsion engine includes a compressor (10) and ancillary systems (cabin pressurizing pumps and other service) in a box 16. A fuel cell 18 powers electric motors (12) and (14) via a switch (20) for the purpose of either simultaneo...
02/26/2002
63484601,2,3-thiadiazole derivatives, plant disease controller and method for using the same
A 1,2,3-thiadiazole derivative represented by general formula (I): ##STR1## [wherein R1 is hydrogen atom, halogen atom, (C1 -C6) alkyl, phenyl, etc., R2 is the following group (A) or group (B): ##STR2## (wherein...
02/19/2002
                  11    

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