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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 |
| 8167001 | Dome-loaded pressure regulators Dome-loaded pressure regulators are disclosed. An example pressure regulator includes a body having a pressure inlet and first and second pressure outlets and a first dome-loaded pressure regulating valve fluidly coupled to the pressure inlet, the first pressure out... | 05/01/2012 |
| 8091585 | Pneumatic regulator unit and method of use A pneumatic regulator unit housing having multiple output lines for connection to pneumatic devices such as needles used in creating tattoos is disclosed. The regulator unit comprises multiple outputs where each output is operatively connected to a respective pneuma... | 01/10/2012 |
| 8033296 | Control module for multi-nozzle shower A control module for a multi-nozzle shower has a body, a control panel and a controlling assembly. The body is mounted securely in the shower and defines at least one chamber having valve seats, at least one inlet and multiple outlets respectively communicating with... | 10/11/2011 |
| 8015997 | Valve for a pneumatic hand tool A valve body has a channel extending along an axis and an inlet port open to the channel. A sleeve, received about the valve body, overlies the inlet port and is rotatable about the axis relative the body. A nozzle projects radially outward from the sleeve. The nozz... | 09/13/2011 |
| 7900652 | Gas supply system for a pumping arrangement A system (100) for supplying an inert purge gas to a pumping arrangement (106) includes a plurality of flexible capillary tubes (102) each for conveying the gas from a respective outlet of a manifold (12) to a respective port (104)... | 03/08/2011 |
| RE42084 | Diaphragm valve A valve housing of a diaphragm valve has a first valve chamber, into which open a central channel and first and second channels. Valve seats are arranged in the housing, and a first diaphragm is adapted to seal against at least one of the first and second valve seat... | 02/01/2011 |
| 7681596 | Isolation valve with valve in drain A fluid isolation valve having a valve body with a first fluid flow port, a second fluid flow port and a fluid drain port with a valve in the fluid drain port. The valve body also defines a fluid flow channel, a drain flow channel and a valve portion, wherein the va... | 03/23/2010 |
| 7637284 | Sanitary diaphragm valve A sanitary diaphragm valve has a valve body formed of an upper plate and a lower plate, with a flexible resilient diaphragm and a spacer between them. The margin of the diaphragm rests on a peripheral step formed in the lower plate to create a positive space between... | 12/29/2009 |
| 7490628 | Manifold and valve assembly A semi-flexible tube is captured between a valve body and a connection device wherein at least one of the valve body and the connection device is connected structurally to a range instead of relying on the manifold tube as the location mechanism for precisely locati... | 02/17/2009 |
| 7438082 | Frost-resistant stand valve The invention concerns a valve arrangement for external operation including: a feed opening, a delivery opening, a connecting passage which connects the feed opening to the delivery opening, a first valve which is adapted to enable the fluid connection through the c... | 10/21/2008 |
| 7398954 | Remote-coupled faucet adapter A faucet adapter including an inlet assembly that includes a connecting portion configured for connection to a fluid source. A handle remote from the connecting portion is operably connected thereto such that actuation of the handle results in actuation of the conne... | 07/15/2008 |
| 7389797 | Air header/manifold for a dust collector Air header/manifolds for industrial air filters, sometimes referred to as bag houses, are formed by extrusion and provided with flat mounting and sealing surfaces for accommodating staggered and offset rows of valves secured to the mounting surface and provided with... | 06/24/2008 |
| 7370673 | Self-contained isolated port A service valve for a refrigerant system comprising a valve body and a system port. The valve body has at least one fluid passage integrated therein including a longitudinal bore. An orifice is located at one end of the bore. An annular protrusion axially extends fr... | 05/13/2008 |
| 7353841 | Relative pressure control system and relative flow control system Provided is a relative pressure control system has a simple configuration, but enables accurate regulation of a division ratio of an operation gas, and concurrently makes it possible to securely drain the operation gas from an operation gas pipeline in case of emerg... | 04/08/2008 |
| 7325568 | Sprinkler valve manifold A one-piece manifold for use in a sprinkler valve assembly includes an intake pipe having a water inlet and a plurality of ports adapted for fluid connection to inlets of a plurality of respective sprinkler valve assemblies. An outlet is attached to the intake, such... | 02/05/2008 |
| 7322616 | Tubing connecting device A tubing connecting device for a fluid carrying tube having a flat portion with an aperture therethrough includes a coupling body having a first port and a second port that are in fluid communication, a planar surface on the coupling body, surrounding the first port... | 01/29/2008 |
| 7318448 | Swimming pool cleaning apparatus and parts therefor A swimming pool cleaning device includes a fluid distribution system for controlling its operation. More particularly, the distribution system includes a housing having an inlet for receiving a supply of pressurized fluid, a pair of outlet openings and a valve chamb... | 01/15/2008 |
| 7285210 | Zero waste reverse osmosis water filtering A reverse osmosis water filtering system includes a reverse osmosis membrane having first output port for permeate water, second output port for concentrate water, and intake port for receiving filtered water, a filtering assembly providing filtered water to the mem... | 10/23/2007 |
| 7284680 | Electrovalve dispenser device for a refrigerator The device comprises a valve body with an input adapted to be connected to a water supply source, and with at least a first and second output. The body is provided with at least a first and a second electrovalve with direct actuation, whose hydraulic inputs are inte... | 10/23/2007 |
| 7273072 | Valve body for a valve assembly A valve body for a valve assembly includes a main passageway in which a primary valve is received which has a weir constructed to define a valve seat and to interact with a valve element in the form of a diaphragm. Integrated in the valve body is a secondary valve h... | 09/25/2007 |
| 7270147 | Adjustable variable flow fertilizer valve A valve assembly comprising a body member forming a channel having first and second ends, forming a seat surface within and at the first end of the channel about an orifice that faces in the direction of the second end, the channel forming a first coupler at the sec... | 09/18/2007 |
| 7267138 | Manifold cabinet A manifold cabinet includes an enclosure having a back wall, a top wall, a pair of side walls, at least two partition walls, a center opening and at least two outside edge openings. The partition walls have a plurality of openings and are attached within the enclosu... | 09/11/2007 |
| 7255130 | Control valve for an engine cooling circuit A control valve (10) for a fluid circulation circuit comprises a body (12) which is equipped with a fluid inlet (18) and at least two fluid outlets (20, 22 and 24) and which delimits a cylindrical housing for an adjusting member ( | 08/14/2007 |
| 7243684 | Flow dividing device for gardening pipes A flow dividing device for gardening pipes includes a main body having a plurality of mounting studs, and a plurality of water control switches each mounted on the respective mounting stud. Each of the water control switches includes a control valve, an operation kn... | 07/17/2007 |
| 7240911 | System for controlling distribution of fluid to a system of air bags for use with vehicular trailers A valve system controls which air bags on a tractor trailer are in fluid communication with a pressurized air supply source. If one of the air bags develops a leak, an air bag may be taken out of fluid communication with the remaining air bags and pressurized air so... | 07/10/2007 |
| 7222642 | Enhanced water valve tube stop A fluid valve assembly and method for assembling the same includes a valve body defining an inlet, an outlet and a fluid passage communicating fluid therebetween. A control member is positioned within the fluid passage and includes a central passage through which th... | 05/29/2007 |
| 7216528 | Diaphragm-sealed valve, analytical chromatographic system and method using the same There is provided a diaphragm sealed valve particularly advantageous in chromatographic systems. The valve is provided with first and second body and a seal member compressibly positioned therebetween. The first body comprises a first, a second and a common port, ea... | 05/15/2007 |
| 7216672 | Flow dividing device for gardening pipes A flow dividing device for gardening pipes includes a main body, and a plurality of water control switches each mounted on the main body. Each of the water control switches includes a movable member, a push member, a control knob, a universal connector, a pivot seat... | 05/15/2007 |
| 7213617 | Airflow divider with shutoff An air divider having a shutoff plate for converting row spacing on a seeding implement. A reversible shutoff plate has a closed position wherein one end of the plate extends through a slot and completely blocks a leg of a Y-shaped output end of the divider. By reve... | 05/08/2007 |
| 7174918 | Air flow control valve for vehicle air conditioning module A novel air flow control valve for an air outlet in an HVAC housing provides for strong, even seal pressure all the way around the edge of the opening. In stead of a swinging door hinged at one edge of the opening, in which seal pressure is strong on the hinge edge ... | 02/13/2007 |
| 7171981 | Flow control device and system A flow control valve has a ball and an annular seat providing a positive stop for automatically preventing flow through the valve when a line downstream has been broken. The flow control valve is useful for interior applications in which seepage through the valve wo... | 02/06/2007 |
| 7168428 | Apparatus for connecting air bottles An air transfer apparatus for transferring air from a replenishment air cylinder to another air cylinder is provided. The air transfer apparatus comprises a first valve adapted to engage a replenishment air cylinder and a second valve having quick connect fittings a... | 01/30/2007 |
| 7156123 | Pressure reduction system for quick-connects When sample collection cylinders get full, they need to be switched out with empty sample collection cylinders. The connection between the sample cylinder and a piping system is often a quick-connect which typically has a high pressure rating when closed and a lower... | 01/02/2007 |
| 7143774 | Method and apparatus for providing a determined ratio of process fluids A fluid flow control system that includes a fluid inlet to receive a flow of process fluid and a plurality of fluid outlets. The plurality of fluid outlets include a first fluid outlet and at least one second fluid outlet. The first fluid outlet provides a first pre... | 12/05/2006 |
| 7144090 | China type 120 brake valve ECP manifold A China Type 120 Brake Valve ECP Manifold includes a manifold block in fluid communication with at least one source of fluid pressure for communicating fluid pressure signals. A plurality of apertures formed through such manifold block allows fluid communication the... | 12/05/2006 |
| 7131462 | Gas control valve assembly A gas control valve assembly includes a valve seat, the valve seat having a gas inlet, first and second gas outlets, a gas passageway in communication between the gas inlet and the gas outlets, and three mounting holes in communication with the gas passageway, a fir... | 11/07/2006 |
| 7131461 | Stream switching system An improved double block and double bleed stream switching system (modifiable to, for example, a double block, single bleed stream switching system) includes a common stream path for a multitude of gas streams from, for example, a process pipeline. The improved stre... | 11/07/2006 |
| 7121299 | Regulator valve with flow indicator for a hot-water heating system The valve includes an intake duct (13) for conveying water into the valve, an externally projecting tubular body (20) of a transparent with an internal cavity (21) and a flow indicator rod (40), slidable inside the valve, with a lower por... | 10/17/2006 |
| 7117895 | Switching valve The object of the present invention is to provide a switching valve capable of increasing the opening stroke of a valve operated by a differential pressure while saving space, thereby reducing pressure loss. A first valve is disposed between an inlet port and a firs... | 10/10/2006 |
| 7114666 | Dual massage shower head A shower head having dual turbines. The shower head includes a body having an inlet for connection to a water conduit, a first outlet nozzle formed on the body, a second outlet nozzle formed on the body, a first turbine operably connected to the first outlet nozzle,... | 10/03/2006 |
