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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 |
| 8186648 | Method of shutting off conduit and pipe conduit shutoff apparatus To enable efficient and easy attachment of a shutoff operation cover at a proper attaching position relative to two joining flange portions and also to restrict deformation in a leading end portion of a gate plate valve. A shutoff operation cover B is attached to tw... | 05/29/2012 |
| 8096524 | Seal retainer/line centering clips with multiple flange capability A wafer-style valve assembly adapted to be coupled between opposing pipeline components having a common centerline secured together by a plurality of longitudinal fasteners includes a substantially cylindrical valve body, a seat retaining plate, and at least one cli... | 01/17/2012 |
| 8074963 | Fluid shut-off device A fluid flow shut-off or control valve or device, for use within the field of irrigation, has at least one end shaped so as to allow coupling of the body with a rotatable ring nut provided with a female thread adapted to be screwed onto a corresponding male thread o... | 12/13/2011 |
| 7815167 | Valve for adjusting the air flow rate in an internal combustion engine A valve for adjusting the air flow rate in an internal combustion engine; the valve presents: a valve body; a cylindrical tubular pipe obtained within the valve body and in which an air introduction channel is defined; a valve seat obtained along the air introductio... | 10/19/2010 |
| 7703745 | Seal retainer/longitudinal centering clips with multiple flange capability A wafer-style valve assembly adapted to be coupled between opposing pipeline components having a common centerline secured together by a plurality of longitudinal fasteners includes a substantially cylindrical valve body, a seat retaining plate, and at least one cli... | 04/27/2010 |
| 7614605 | Universal connector for a pneumatic tool with unlocking by air flow The present invention provides a universal connector for a pneumatic tool with unlocking by air flow. A directional locating member is mounted between the sleeve and the first coupler, or the pin-joint member, so the sleeve can be securely locked when located at the... | 11/10/2009 |
| 7604217 | Electrolysis-resistant coupling assembly for valves An electrolysis-resistant coupling assembly for a valve within a fluid line. A line flange within the line includes a first mating surface and a fluid passageway therethrough. A valve flange downstream from the line flange includes a second mating surface. The valve... | 10/20/2009 |
| 7469880 | Quick connect feature for a fluid connection A stub-out assembly includes a stub-out conduit that defines a major diameter and a minor diameter. The minor diameter defines an attachment groove for receipt of a mount housing and a valve housing. The mount housing includes a multitude of circumferential fingers ... | 12/30/2008 |
| 7448593 | Butterfly valve having flanges forming a positive lock A butterfly valve includes an annular, elastic sealing element that encloses an axial opening, a valve disk which is disposed inside the axial opening so as to be rotatable transversal to the axial direction, a device for rotating the valve disk between closed and o... | 11/11/2008 |
| 7434781 | Remotely actuated quick connect/disconnect coupling A water flushing system for a pressurized subterranean water distribution system includes an inlet conduit for receiving pressurized water from the subterranean water distribution system; an outlet fluidly connected to the inlet conduit for discharging pressurized w... | 10/14/2008 |
| 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 |
| 7356941 | Micrometer support apparatus and measurement method using same A method for measuring a distance with a pin micrometer includes attaching a pin micrometer support to a flange at a predetermined location on the flange in a first channel, supporting a pin micrometer in a stationary position in a second channel, and extending a me... | 04/15/2008 |
| 7353840 | Split nut for outlet box installation An internally threaded split nut having an arcuate gap defining an opening large enough to pass over the outside diameter of a first tubular conduit or elongate rod section from the side, the split nut then being coaxially alignable and threadedly engageable with a ... | 04/08/2008 |
| 7353801 | Valve regulating device and intake manifold comprising at least one such device A valve regulating device intended to regulate the circulation of a fluid in the region of an opening, said device consisting of a pivoting valve body, of an annular support body integrating two opposing bearings mounting said valve body in a rotational manner, and ... | 04/08/2008 |
| 7341288 | Restrained sleeve pipe coupling A restrained sleeve coupling assembly for interconnecting pipe sections includes a generally cylindrical sleeve body, a generally cylindrical adaptor body and opposed end rings which are sleeved over the respective pipe sections to be joined. The generally cylindric... | 03/11/2008 |
| 7338030 | Quick stop supply valve A supply valve with a valve housing having a fluid inlet and a fluid outlet; a control element which selectively turns the flow of liquid on and off; and a pipe joining assembly. The fluid inlet has a sequentially stepped inner cylindrical surface made up of a first... | 03/04/2008 |
| 7320484 | Plug-in safety coupling A plug-in safety coupling for pressurized conduits includes a blocking element, which is mounted in a coupling housing; the blocking element includes a through bore in which a coupling plug may be introduced in a sealing manner. A pivot path of the coupling housing ... | 01/22/2008 |
| 7318609 | Chuck and tube joint A chuck includes an annular ring portion, a first engaging portion which extends along a central axis of the annular ring portion and which engages with the first tube joint member, and a second engaging portion which extends from the annular ring portion along the ... | 01/15/2008 |
| 7318007 | Real time gear box health management system and method of using the same A system is provided for monitoring rotating machinery having a shaft and circumferentially disposed extensions rotatable with the shaft and spaced apart from one another. The system includes a plurality of proximeters positioned proximate to the rotating machinery ... | 01/08/2008 |
| 7293577 | Toilet tank plumbing fixture assembly Described is a plumbing fixture assembly 10 for a toilet tank 14 comprising an upper portion 24 that connects with a valve 18, a lower portion 26 that is adapted for engagement with upper portion 24, and an attachment pipe | 11/13/2007 |
| 7255131 | Valve for a fire hose line A valve for a hose line, the valve having an inlet having a threaded female swivel fitting, a first outlet having an external thread, and a second outlet having an external thread. The inlet and the first outlet are at a 90 degree angle to each other and the inlet a... | 08/14/2007 |
| 7234732 | Pipe coupling for joining pipes of varying diameters A pipe coupling for joining a first pipe to pipes of varying diameters includes first and second hollow fittings which are secured together in end-to-end relationship by a crimping process to rigidly hold the fitting members together to form a continuous fluid passa... | 06/26/2007 |
| 7219736 | Externally testable redundant connections for subsea wells An externally testable redundant connection for a subsea well includes a tube, a connector assembly, and collar. The connector assembly includes a jam nut over the tube; a ferrule over the tube adjacent the jam nut; and a double jam nut disposed over the tube adjace... | 05/22/2007 |
| 7195004 | Fuel injector cup with improved lead-in dimensions for reduced insertion force A fuel rail cup is provided with a lead-in volume of one-third a receiving volume of the fuel rail cup that allows insertion of an O-ring mounted on a fuel injector inlet to be inserted at 20 pound-force or less. A method of inserting the fuel injector inlet with an... | 03/27/2007 |
| 7192065 | System for providing communication between the interior and the exterior of a compartment A system for making a connection between the interior and exterior of a compartment, comprising a door opening through the compartment wall, a connector body which can engage with the wall, and having a connection port through it, and a removable cover on the connec... | 03/20/2007 |
| 7182094 | Air nozzle for inflating cushion A nozzle through which air can be pumped into a cushion from a pump includes a housing with a passage extending therein and a space intersecting the passage. A core is put in the space in a sealing and sliding manner for pushing a valve installed in the cushion. The... | 02/27/2007 |
| 7182108 | Automatic bleed valve for pressurized system An apparatus and method is provided for automatically venting a fluid from at least a portion of a pressurized system. An interconnection between two devices in the system contains an automatic bleed valve configured to automatically seal a vent hole when the two de... | 02/27/2007 |
| 7163189 | Tapping valve of plastics material for transport and storage containers for liquids A tapping valve of plastics material for transport and storage containers for liquids, which is constructed as a flap valve or ball valve, includes a valve housing with an inlet connection connectable to an outlet connection of the liquid container and an outlet con... | 01/16/2007 |
| 7156425 | Quick connect and quick disconnect plumbing apparatus A plumbing apparatus for connecting a tankless hot water heater to a cold water supply line and a hot water outlet line includes a union and a tee that are interconnected to one another. A first connector at one end of the union is provided for connecting the union ... | 01/02/2007 |
| 7151233 | Contact system A contact system needs comparatively little overall space. that the contact system includes a spring element acting on the contact holder, fabricated from an electrically nonconducting material. ... | 12/19/2006 |
| 7147206 | Quick connect coupling including male and female elements A quick connect coupling includes male and female elements of which one includes a closure valve that is spaced inwardly from an open end of the one element and that is opened by engagement of the other element after a portion of the other element passes through an ... | 12/12/2006 |
| 7143898 | End-of-line water filter An apparatus for removing debris and scale from a water line includes a first portion that is attached to a faucet or to an appliance conduit that is, in turn, attached to the faucet. A second portion is attached to an existing angle stop valve. A filter screen is d... | 12/05/2006 |
| 7137974 | Sterile connector A sterile to sterile connection device comprising a connector and one or more coupling devices. The connector has body portion which has two openings sealed from the environment so as to form a sterile environment within the connector. At least one of the openings b... | 11/21/2006 |
| 7121108 | Cover assembly of machinery chamber in refrigerator Refrigerator including a machinery chamber in a cabinet of the refrigerator having components provided therein, the components including a valve for connecting to a hose to supply water to the refrigerator, a cover attached to the cabinet to cover the machinery cham... | 10/17/2006 |
| 7121527 | Intercept valve for spray guns for water cleaner apparatus The spray gun is subdivided into a first body (4), in ternally of which a cavity (6) is afforded, and a second body (5) which is perpendicular to the first body (4) and internally afforded a through hole (25) communicating with the... | 10/17/2006 |
| 7118090 | Control valves A compact, in-line valve assembly consists of a hollow valve body, a seat, and a first diaphragm assembly including a deflectable portion forming a first volume between the seat and the first diaphragm assembly. A second diaphragm is attached to the first diaphragm ... | 10/10/2006 |
| 7114703 | Valve A drain valve to be used with numerous drain applications, such as draining fluid from an engine, includes in an exemplary embodiment a valve body, a first and second o-ring and a valve sleeve. The drain valve eliminates the need for a tool, such as a wrench, to dra... | 10/03/2006 |
| 7111875 | Wall hydrant with slip clutch assembly A hydrant for use with a plumbing outlet pipe has a fluid passage passing from an inlet end to an outlet end and a retention body connected to the inlet end. A slip clutch adapted to contractibly receive the pipe and prevent reverse pipe movement therethrough is loc... | 09/26/2006 |
| 7093612 | Self-sealing one-piece vacuum fitting for bagging of composite materials A vacuum fitting having a check valve for use in bagging composite parts prior to and curing the during process, in which the body of the vacuum fitting is formed from a single piece of material, and the check valve has no loose fitting parts is disclosed. The vacuu... | 08/22/2006 |
| 7090256 | Pipe joint A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to ... | 08/15/2006 |
