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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 |
| 7320426 | Cover for ball-grid array connector A presently-preferred embodiment of a cover for a ball-grid array connector comprises a top member and a first and a second side member adjoining opposing ends of the top member. The first and the second side members each have a mating feature formed thereon for eng... | 01/22/2008 |
| 7134592 | Method and protection apparatus for installation of a temperature-sensitive electronic component Temperature-sensitive electrical and electronic components which are connected to a board by soldering during the installation process are protected from the heat during the soldering process in order to prevent permanent damage to the components. The solder connect... | 11/14/2006 |
| 6844520 | Methods for fabricating gas turbine engine combustors A method facilitates manufacturing a combustor for a gas turbine engine. The combustor includes an inner and an outer liner, a dome, and flanges. The method comprises assembling the inner and outer liner such that each includes a series of liner panels, positioning ... | 01/18/2005 |
| 6772933 | Welding shield system A welding shield system for reducing air movement about a welding area thereby allowing gas metal arc welding to be utilized in high air flow environments. The welding shield system includes a main body having an upper opening, a plurality of arm members extending f... | 08/10/2004 |
| 6561409 | Heat shield for soldering device A heat shield device suitable for use with a soldering device comprises a heat shield and means for moving the heat shield to and from the shielding position in which it shields a target area from a heat source, wherein the movement of the heat shield is ... | 05/13/2003 |
| 6343732 | Passive and active heat retention device for solder fountain rework A method and apparatus for retaining heat at a pin-in-hole rework site on a printed circuit board during solder fountain rework of the board. A preheated heat retention plate is attached to the rework side of the printed circuit board. The heat retention ... | 02/05/2002 |
| 6079613 | Heat suppressing wrap A heat suppressing wrap is provided for suppressing the transfer of thermal energy along a pipe during a thermal joining operation, such as a high temperature, open flame welding, brazing or soldering operation. The heat suppressing wrap is a blended fabr... | 06/27/2000 |
| 5981082 | Heat shield A heat shield. The heat shield includes a supporting sheet metal piece having edges, an inner surface and an outer surface; a cover foil fastened on the edges of the sheet metal piece so as to define a thermally insulating air gap with the inner surface o... | 11/09/1999 |
| 5915462 | High efficiency thermal interposer A high efficiency thermal interposer comprising a first hollow disk and second hollow disk, held together by thermally isolating fasteners. The fasteners keep the disks from touching one another. In an illustrative embodiment of the invention, the first d... | 06/29/1999 |
| 5864118 | Soldering instrument with heated tip and protective heat shield associated therewith A soldering device for soldering lead wires from a disc head to a circuit of the disc drive includes a heat shield adapted to provide a protective barrier for a soldering tip during operation of a soldering instrument. During operation, the soldering tip ... | 01/26/1999 |
| 5769304 | SMD soldering apparatus In the attachment of surface mounted devices, melting of solder is monitored so that immediately thereafter heating may be stopped. The solder paste, which is stump-grey below the melting point, will radically change its reflectance upon melting, this bei... | 06/23/1998 |
| 5720424 | Wire bonding apparatus In a wire bonding apparatus used in manufacturing, for instance, semiconductor devices, a cover is attached to a detection image intake section of the camera mirror tube of a camera which detects the bonding points of a semiconductor workpiece, and the co... | 02/24/1998 |
| 5641114 | Controlled temperature bonding In a bonding station the parts of the apparatus to be bonded are retained at a thermal bias temperature at a permitted level and a thermal check valve interface is provided between the bonding location and the part of the station that would serve as a con... | 06/24/1997 |
| 5383593 | Method for weld-assembling a disk fitted with small wings by an energy beam Method is for assembling a disk fitted with small wings. The small wings are composed of a foot made of an element with the disk and welded blades. The disk and the blades are installed on a rotating template with fixing means in the desired position and ... | 01/24/1995 |
| 5007574 | Desoldering device A desoldering tool has a removable cartridge and a base unit having an assembly interior including a solder collection chamber and a removable vacuum source for developing a vacuum in the bottom of the chamber under a removable porous solder retention pad... | 04/16/1991 |
| 4993617 | Structure of head shield for welding pliers A welding apparatus that includes a welding rod pliers connected to a portable head shield by an elongated flexible articulated tube. The person can hold the pliers in one hand, with the flexible tube acting to position the shield in a proper location for... | 02/19/1991 |
| 4944444 | Welding or burning shield The invention provides a portable welding or cutting shield to assist in preventing welding or burning by-products from contaminating or damaging the inside surfaces of a pipe. The portable welding shield comprises a shield assembly for capturing the by-p... | 07/31/1990 |
| 4634040 | Process for welding pipe ends and an insulating ring therefor An improvement is provided in a known process for welding liquid-filled aligned end sections of pipe. The known process involves positioning a sleeve over the junction between the pipe ends and fillet welding the two ends of the sleeve to the pipe ends. T... | 01/06/1987 |
| 4560101 | Self-locking, removeable tapered tips for soldering and de-soldering tools A soldering or de-soldering tool with self-locking, removeable soldering or de-soldering tapered tips which interlock with a similar taper in a tip-receiving bore of the tool. The invention also is directed to a replaceable soldering or de-soldering tip u... | 12/24/1985 |
| 4441953 | Heat sealing machine and process for heat sealing plastic film edges A heat sealing machine for sealing polyester sheets is disclosed, wherein edges of two polyester sheets are heat sealed together by being exposed to a nickel-chrome heating ribbon. The machine includes movable clamping bars for clamping polyester sheets t... | 04/10/1984 |
| 4366925 | Device for non-destructive desoldering and removal of a modular electronic component from a substrate A device for semi-automatic dismantling of a modular component which is soldered and attached to a substrate forming a printed circuit. The component to be dismantled is placed under a hot gas source while a force member applies a resilient thrust, the fo... | 01/04/1983 |
| 4342415 | Protective device for electric component which can be soldered _into a printed board by means of a solder bath A component protective system is disclosed for an electrical component which can be soldered in a printed circuit board by means of a solder bath. A portion of the components which projects through the printed board is protected from the influence of the ... | 08/03/1982 |
| 4135573 | Heat shielding tool A heat shielding tool is disclosed, having a pair of opposed pivotally connected handles terminating in a pair of opposed jaws. The jaws have interiorly relieved arcuate areas so that, when closed, they will form a circle so that the circular opening form... | 01/23/1979 |
