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 |
| 7946440 | Two-piece expandable sealing plug An elongated two-piece expandable sealing plug (20) that is adapted to sealingly close a marginal end portion of a hole or opening (22) provided in a body (21) broadly comprises: a cup-shaped member (23) having an annular open upper end, ... | 05/24/2011 |
| 7815067 | Container with sealable lid A storage container including a housing having an open-top wall structure defining a receptacle for receiving material to be stored. The container includes a cover disposable on the housing in a closed position relative to the receptacle. A button is movably carried... | 10/19/2010 |
| 7341161 | Closure for a pressure vessel and method A closure assembly 10 contains positive and/or vacuum pressure within a pressure vessel 16 having a neck 12. A circumferential locking member 22 supported on a door 20 locks the door to the neck, and is radially moveable between an... | 03/11/2008 |
| 7320314 | General-purpose engine fuel tank fuel vapor treatment system A general-purpose engine fuel tank fuel vapor treatment system includes: a canister mounted on a peripheral part of a fuel filler opening of a fuel tank mounted on a general-purpose engine, the canister housing a fuel adsorbent for adsorbing fuel vapor generated in ... | 01/22/2008 |
| 7261093 | Evaporative emissions control fuel cap An evaporative emissions control fuel cap system comprises a closure adapted to mate with a fuel tank. The closure includes a passageway formed therein to conduct vapors from the fuel tank to the atmosphere. The closure includes a filter configured to capture hydroc... | 08/28/2007 |
| 7249808 | Brake liquid pressure control unit of on-vehicle device and its manufacturing method In brake liquid pressure control unit for an on-vehicle device and its manufacturing method, a lid member constituting at least one reservoir together with a cylindrically shaped hole is formed substantially in a bell shape, the lid member comprising a cylindrical w... | 07/31/2007 |
| 7204383 | Seal container A seal container includes a container, a lid, a knob fitted on the lid, a soft seal fitted over a lower side of the lid, and a depressing member arranged under the knob and connected with a middle of the seal at a lower end; the depressing member has several slopes ... | 04/17/2007 |
| 7114900 | Push-type rivetless nut plate and method and apparatus for installing same A rivetless nut plate has a nut, a holding bracket, a member and a nut retainer. The nut is provided with an aperture therethrough and is secured within a bracket portion of the holding bracket by the retainer but also is permitted limited movement within the bracke... | 10/03/2006 |
| 7108147 | Vacuum pump valve A vacuum pump valve includes a valve body and a suction diaphragm. The valve body includes a sealing platform sealedly attached on the container at the opening thereof, and a guiding sleeve upwardly extended from the sealing platform to form a suction channel, where... | 09/19/2006 |
| 7055454 | Vehicle expansion retainer In some embodiments, an accessory retainer apparatus for a vehicle may include one or more of the following features: (a) a handle member, (b) a shaft pivotally coupled to the handle member at the proximal end, the handle member pivotally rotatable between an open a... | 06/06/2006 |
| 7051897 | Closure for a pressure vessel and method A closure assembly 10 contains positive and/or vacuum pressure within a pressure vessel 16 having a neck 12. A circumferential locking member 22 supported on a door 20 locks the door to the neck, and is radially moveable between an... | 05/30/2006 |
| 7032765 | Container with over center corner latches A container constructed of parts that are injection molded using a synthetic resin molding technique includes a base, side walls and end walls. The side and end walls are movable between a first position in which the side and end walls are collapsed in the interior ... | 04/25/2006 |
| 7025224 | Cap for beverage can A cap is provided for covering an opening in a soda can. The cap may include a depression and a peripheral flange connected to the depression. The peripheral flange may at least partially surround the depression. The depression may be adapted to fit into an opening ... | 04/11/2006 |
| 6981524 | Twist off drive for a tube plug A tube plug kit including a tube plug having a housing member and a locking member, the housing member having a smooth longitudinal bore communicating with a threaded portion, the locking member mounted on the housing member. An insert member having a first threaded... | 01/03/2006 |
| 6978765 | Fuel system with press fit plug assembly A press fit plug assembly used to seal a fuel rail in which a pressure pulsation damper is inserted. The fuel rail includes an elongated member, a first member, and a second member. The elongated member extends along a longitudinal axis, the first member being posit... | 12/27/2005 |
| 6915920 | Bottle stopper A bottle stopper mainly includes a body, a plug and a jacket. The body has an expansion spread by the plug and outwardly confronting with the jacket. The plug comprises two necks for two different engagements alternatively engaged with the body to provide a locking ... | 07/12/2005 |
| 6883547 | Plug for heat exchanger tubes A tube plug kit for sealing the end of a tube is provided. The tube plug kit includes a tube plug having a housing member and a locking member, an insert member having a threaded end portion received within the threaded portion of the bore and an enlarged portion po... | 04/26/2005 |
| 6845876 | Expandable seal assembly apparatus and method The expandable seal assembly can be used to seal the contents of a container. When air pressure is applied to a chamber, rods with leaf springs on a distal end extend outward mating an expandable elastic to the inside edge of the container to be sealed. A spring-mou... | 01/25/2005 |
| 6736407 | Static fluid seals and seal assemblies for ultrahigh pressure fluid containment High-pressure static seals and pressure vessels with static seals for containing fluid at high pressures are shown and described. Embodiments of the invention allow a plug to be easily, manually inserted into and removed from the pressure vessel. A metallic ring in ... | 05/18/2004 |
| 6719160 | Bottle stopper A bottle stopper for sealing and resealing a bottle neck. The bottle stopper includes a body, a plug and a jacket. The body includes legs and axially guiding grooves thereof provided on its inner circumference. The plug includes axially positioning ribs adapted to e... | 04/13/2004 |
| 6536618 | Bottle plug A bottle plug having a body, a plug and an elastomer member. The body defines a space having an inner circumference that forms a retracted surface that projects inwardly with respect to an axis of the body to define an expansion portion. The plug includes... | 03/25/2003 |
| 6419104 | Compressible plug with internal compression anchor The invention disclosed and claimed is an improved plug with an internal anchor. The plug has particular utility in masking openings in parts to be coated. Generally, the plug comprises a compressible, resilient plug body and a compression mechanism. The ... | 07/16/2002 |
| 6212696 | Toilet bowl with improved access opening An improved toilet bowl construction for providing access to a siphon or trap therein comprises a toilet bowl which defines an opening positioned in communication with the siphon. The toilet bowl construction further includes an annular cover member coupl... | 04/10/2001 |
| 6193093 | Fuel tank cap A fuel tank cap at the filler neck of a motor vehicle fuel tank, with a locking gas cap, which can be swiveled about a pivoting axis and a locking part, which is disposed internally at the locking gas cap and lies against the edge of the filler neck, seal... | 02/27/2001 |
| 6189718 | Fluidtight seal for a container A fluidtight seal for a container is formed by abutting a metal ring with a step machined in a convexo-concave container closure device and inserting this assembly into an open end of the container. Under compressive force, the closure device deforms caus... | 02/20/2001 |
| 6082183 | Test assembly for fluid tight integrity of pipeline joint An improved system for the non-destructive testing of the fluid tight integrity of an installed fluid transfer line such as a drain pipe or vent and wastewater system of a building. A removable test baffle is held in place between ends of adjacent section... | 07/04/2000 |
| 6079582 | Tank closure for the fill opening of a fuel tank A tank closure for a fill opening of a fuel tank has a closing device extending axially through the fill opening of the fuel tank. The closing device includes a grip for actuating the closing device. The closing device also includes a first clamping membe... | 06/27/2000 |
| 6032696 | Bottom nozzle repair apparatus Apparatus for repairing a breach in a lower nozzle of a glass lined vessel which includes an internal flange having an upper surface, a lower surface, an outside end surface and an inside end surface. The apparatus further includes an insert tube having a... | 03/07/2000 |
| 5893567 | Sealing system for sealing an opening An intake/outtake arrangement of a container for a material may communicate with a tube, a transfer container or the like. In order to control intake or outtake of the material container, the intake/outtake arrangement is movable relative to wall means of... | 04/13/1999 |
| 5886297 | Method and apparatus for sealing, on a non-permanent basis, a housing for enclosing electronic equipment A housing assembly (20) for protecting electronic components. An enclosure (21) is open at one end (22). Electronic components are housed in the enclosure. A bung member (25) is insertable into the open end of the enclosure to seal the enclosure. The memb... | 03/23/1999 |
| 5779085 | Expandable pin plug for automated use This invention is a new device that can be used to plug perforations in materials. This plug comprises a cylinder plug with a tapered bore partially extending through the plug from one end. A cylinder pin that is tapered substantially the same as the plug... | 07/14/1998 |
| 5411140 | Product package with matching indicia and recess A product display package includes a formed transparent display enclosure such as a blister-type container having a back section and a front section. Each section is generally a rectangular-dished element with sections having abutting edge flanges definin... | 05/02/1995 |
| 5303741 | Plug for temporarily sealing the end of a pipe A temporary pipe plug comprised of a lightweight main body encircled by an outer sealing surface. The outer sealing surface has a rounded edge which contacts the gasket on the bell end of a sewer or water pipe. A boss is affixed to the main body which pro... | 04/19/1994 |
| 5289851 | Plug for heat exchanger tubes A tube plug for sealing the end of a tube is provided, which includes a cylindrical housing member sized for insertion within the end portion of the tube. The housing member has a longitudinal blind bore comprising a smooth portion communicating with a th... | 03/01/1994 |
| 5193703 | Methods and apparatus for forming an integral high pressure seal using mechanical actuation A cap for sealing pressure vessels is disclosed. The present invention permits a nominal closure to be formed by hand tightening and a substantially higher force to be applied to a cap by a separate clamp mechanism, thereby forming a pressure seal. In cer... | 03/16/1993 |
| 5167338 | Shake and pour end closure with stay open lid An end closure for a shake and pour container is disclosed having a cover which is mounted on a canister type container. The cover has a rotor rotatably mounted on the cover. The cover has a break-away, hinged lid formed therein with the lid having a tab ... | 12/01/1992 |
| 5131553 | Tubular plastic shipping, storage and dispensing container and parts usable therewith A container (20) made of a rigid tubular conformation, each end (21, 22) of which is flattened to produce and provide outwardly protruding edges (25). A transition portion (33) between the flattened end portion (22) and undeformed body portion has a slope... | 07/21/1992 |
| 5080248 | Container lid with sealing device A lid with a sealing device for containers includes a horizontal top (2; 50; 62), at least one air tube (6;51;63;73;83) attached to the lid (1;50;60;71;81), one or more suction cups (8;55;67;75;74;85;84) attached to the air tube and a hole (9;53;77;87) ma... | 01/14/1992 |
| 5078294 | Method for tight sealing and hole arrangement A method for sealing holes, involves fitting an essentially bushing- and/or tube-shaped plug into a hole and then the wall of the plug is expanded radially along at least one axial segment. In this method, the plug is positively anchored axially in the ho... | 01/07/1992 |
| 5056678 | Access port sealing device An access port cover is fitted with a sealing plug that is adapted to fit inside a conduit to provide an occluding seal. The conduit is also fitted with an inner flap that is automatically closed and latched when the cover is closed and latched. In a pref... | 10/15/1991 |