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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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| Application No. | Application Title | Issue Date |
| 20110303304 | REBUILDABLE MICRO-FLUIDIC VALVE ASSEMBLY A multi-position valve assembly including a valve housing, a stator element and a rotor element rotatably mounted about a rotational axis. The valve assembly further includes a pressure adjustment assembly movable between a release position and a stop position, hard sto... | 12/15/2011 |
| 20100212743 | PULSE WIDTH MODULATED FLUIDIC VALVE A pulse width modulated fluidic valve 3005 includes a cylinder (352) having an elongate bore, a length, and first (344) and second (346) ports which extend from outside the cylinder (352) into the bore. A rotatable spool (302) i... | 08/26/2010 |
| 20100032603 | SELECTION VALVE A rotary selection valve where different components can be selected in different rotation positions of the valve and furthermore the flow through the components can be reversed by rotating the rotary valve.... | 02/11/2010 |
| 20100031780 | PNEUMATIC TOOL WITH SECTIONAL ADJUSTMENT OF TORSIONAL FORCE The present invention provides a pneumatic tool enabling sectional adjustment of torsional force, including a main body and a cylinder mounted into the accommodation space of main body. The cylinder is fitted with air vents and also a rotor. A plurality of exhaust holes... | 02/11/2010 |
| 20090101857 | VALVE ASSEMBLY A valve assembly has a valve housing, an inlet, an outlet and a flow passage extending between the inlet and the outlet. A shut-off valve is mounted on the housing adjacent the inlet and a flow control valve is mounted on the housing adjacent the outlet. By mounting bot... | 04/23/2009 |
| 20090057590 | Flow Control Valve A flow control valve is provided that comprises a valve housing having an inlet, an outlet, and a valve chamber that includes a first valve port opening in communication with the inlet and a second valve port opening in communication with the outlet. The various embodim... | 03/05/2009 |
| 20080258093 | Plumbing valve with undulating disk surface A control disk for a fluid valve has a disk body having at least one through hole, the body having an upper surface for contacting another control element of the valve and an opposed lower surface. The upper surface is formed with a raised undulating contact surface. Th... | 10/23/2008 |
| 20080203345 | CHOKE PLATE CONFIGURATION An orifice for use in a flow control valve, the orifice may include a fixed choke plate having at least one aperture therethrough for conducting fluids and a rotating choke plate having at least one aperture therethrough for conducting fluids. The rotating choke plate m... | 08/28/2008 |
| 20080083898 | VALVE STRUCTURE The present invention provides a rotary valve structure, which has a rotary water passage structure including a switching component and fixed hole. A first water-guide portion and second water-guide portion are placed laterally onto the switching component, whilst a fir... | 04/10/2008 |
| 20080067463 | Rotary Metering Valve Arrangement A rotary metering valve arrangement comprises a rotary metering valve arranged to control the supply of fuel to a Pressure Raising and Shut-Off Valve (PRSOV), the metering valve comprising a valve plate provided with first and second latching ports and an angularly mova... | 03/20/2008 |
| 20080054210 | Valve cartridge A valve cartridge includes a housing having a bore. A fixed control disc and a rotatable control disc are provided in the bore. A shaft extends through the bore, and rotation of the shaft serves to rotate the rotatable control disc relative to the fixed control disc. Th... | 03/06/2008 |
| 20070278439 | DEVICE AND METHOD FOR ACCESSING FLUID IN CONTAINER A device (10) and method for aseptically or non-aseptically accessing a fluid in a container (210) using an existing container opening (211). The device (10) includes a sanitary fitting (12) for attaching the device to the container ov... | 12/06/2007 |
| 20070040138 | Electric control valve The electric control valve, in which a throttled flow rate is quantitatively determined by the groove 16 by a rotating position of the valve body 20, the valve seat surface projects like a band from a border band 16C drawing an outline of the groove... | 02/22/2007 |
| 20070018130 | Ceramic valve for antifreezing faucets A ceramic valve for antifreezing faucets including a straight water supply pipe, a shaft base installed in an upper section of a main body of the water supply pipe and connected to a down connecting rod at a lower section, and a double-plate ceramic intake valve. Wherei... | 01/25/2007 |
| 20060284134 | Variable Radial Flow Rate Control System A variable radial flow rate control valve including a body forming a bore along the longitudinal axis thereof for transporting a fluid through the body, a fixed choke member fixedly positioned about the bore, the fixed choke member forming a fixed aperture, a rotational... | 12/21/2006 |
| 20060249702 | Isolation valve for energetic and high temperature gases An improved fluid flow control valve that allows for conduction of a substantial portion of thermal energy therethrough includes a first portion, a second portion, and a moveable element The first portion includes an aperture for fluid communication with a fluid source.... | 11/09/2006 |
| 20050151106 | Ceramic cartridge for a stop valve A quarter turn supply stop valve cartridge having ceramic disks for use in water supply lines is disclosed. The cartridge has a cartridge shell, a first ceramic disk comprising a first contact surface fixedly mounted in the cartridge shell, and a second ceramic disk com... | 07/14/2005 |
| 20050029481 | ROTATIONAL SPEED ADJUSTMENT MECHANISM OF A PNEUMATIC TOOL A rotational speed adjustment mechanism of a pneumatic tool, including an intake member, a speed adjustment valve and a case enclosing the intake member and the speed adjustment valve. The intake member is formed with an intake and an exhaust port which are not communic... | 02/10/2005 |
