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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 |
| 8078040 | Heatable hose A heatable hose (1), in particular a respiration hose, having a flexible hose wall (4), shall guarantee through its design that a contact of the electric conductors or heating wires (14, 16) accommodated in the hose (1) and, thus, a short... | 12/13/2011 |
| 7398015 | Apparatus for controlling fluid-heating using polymer disk Provided is an apparatus for controlling fluid-heating using a polymer disk, which includes: a pump for discharging fluid at a uniform flow rate; a fluid-heating module including a polymer disk to convey the fluid discharged from the pump to allow a temperature of t... | 07/08/2008 |
| 7319814 | Heat conducting assembly for a water heater, and method for making the heat conducting assembly In a heat conducting assembly for a water heater and a method for making the heat conducting assembly, there is provided a heat-conductive housing which has inner wall surfaces that cooperate to confine a sealed chamber. A heat-conductive unit is disposed in the sea... | 01/15/2008 |
| 7302170 | Heating device for smoke generator A heating device for a smoke generator includes at least one heating rod and a vaporization tube. The vaporization tube includes a longitudinal passageway. The vaporization tube coils around the heating rod and includes an end connected to an outlet of a pump of a s... | 11/27/2007 |
| 7254362 | Fixing device, image forming apparatus using the fixing device, and heat insulating member A fixing device containing at least one fixing member configured to fix a toner image on a transfer material, which includes a first substrate and a pressing member configured to form a nip with the at least one fixing member, which includes a second substrate, and ... | 08/07/2007 |
| 7248792 | Dental water heater The present invention relates to a dental water heater. The water heater has a columnar body, and the body includes heating means extending in the axial direction of the body, and a plurality of layers of water channel sections arranged around the heating means. Eac... | 07/24/2007 |
| 7187855 | Device for heating liquids and assembly for use in such a device The invention relates to a device for heating liquids, comprising: a first liquid container for liquid for heating, and a heating element connected to the first liquid container. The invention also relates to an assembly for use in such a device. Such a heating devi... | 03/06/2007 |
| 7153285 | Medical fluid heater using radiant energy An in-line fluid heater for heating fluid, such as dialysis fluid for use in dialysis therapy is provided. The fluid heater is a dual heater having a primary infrared heater and a secondary plate heater. A controller is operatively connected to the infrared heater a... | 12/26/2006 |
| 7130533 | Water heating apparatus and refrigerator having the same The present invention relates to a water heating apparatus having a heat exchanger that has a maximized heat transfer area between a hot water supply tube and a heater so that clean hot water is continuously fed without a time delay. To achieve these objects, a wate... | 10/31/2006 |
| 7119308 | Forced-air heater control system and method The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak... | 10/10/2006 |
| 7035532 | Heat storage apparatus with spiral electrically heated phase change material A heat storage apparatus comprises a heat storage material accommodation cell for accommodating therein a heat storage material having an electricity conductive characteristic and configured to be electrically heated, and a fluid passageway for allowing a heat excha... | 04/25/2006 |
| 7012223 | Forced-air heater control system and method The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak... | 03/14/2006 |
| 6996336 | Economical heated grease storage tank A used cooking oil and grease storage tank is comprised of a plastic material such as, polyethylene. Advantageously, a metal heating element or member is secured to a top cover member of the tank and extends downward into the used cooking all and grease stored with ... | 02/07/2006 |
| 6915070 | Quick heater for drinking water A quick heater for drinking water includes a helical water pipe defining a narrow space therebetween for fitting an electric heating tube and having a water inlet and a water outlet. The water pipe and the electric heating tube are wrapped up with a support base hav... | 07/05/2005 |
| 6607608 | Translatable fiber stripper A system for stripping an optical fiber includes a source of air and means for generating very short bursts of air. A heater heats the bursts of air to a temperature sufficient to remove the outer coating from an optical fiber, while maintaining the air i... | 08/19/2003 |
| 6577817 | Water heater A pressureless electric water heater for domestic use having a cylindrical double-walled tank for holding a quantity of a heat transfer liquid such as water. Cold water enters a copper coil immersed in the heat transfer liquid. The heat transfer liquid is... | 06/10/2003 |
| 6192192 | Instantaneous water heater A continuous flow heater has an elastic, flexible or rigid pipe (10) which is movably mounted and a heat source (6). When a liquid flowing through the pipe is heated in the pipe interior (1), undesired scale tends to be deposited on the interior of the pi... | 02/20/2001 |
| 6173118 | Sensor block and automatic fill valve for water with immersed copper fluid coil A pressureless electric water heater for domestic use has a cylindrical double-walled tank for holding a quantity of a heat transfer liquid such as water. Cold water enters a copper coil immersed in the heat transfer liquid. The heat transfer liquid is he... | 01/09/2001 |
| 5960160 | Liquid heater assembly with a pair temperature controlled electric heating elements and a coiled tube therebetween A liquid heater assembly including a heater body having therein a coiled tube for passing liquids, a pair of heating elements, a thermistor, a thermostat, and a backup thermostat. Liquid enters the coiled liquid tube at an inlet end and exits the coiled l... | 09/28/1999 |
| 5927608 | Washing liquid heating A device for heating washing liquid to be sprayed onto a vehicle windshield includes a thermally insulating body and a heating element configured to be heated in response to an applied electric current. The heating element is positioned within the thermal... | 07/27/1999 |
| 5838879 | Continuously cleaned pressureless water heater with immersed copper fluid coil A pressureless electric water heater for domestic use has a cylindrical double-walled tank for holding a quantity of a heat transfer liquid such as water. Cold water enters a copper coil immersed in the heat transfer liquid. The heat transfer liquid is he... | 11/17/1998 |
| 5666808 | Operating valve assembly with pressure compensation valve An operating valve assembly incorporates a pressure compensation valve and is capable of contributing down-sizing of a hydraulic circuit. The valve assembly includes an operating valve, compensation valves and a load pressure detecting portion. A valve bo... | 09/16/1997 |
| 5666804 | Secondary air supplying apparatus for internal combustion engine and air heating apparatus thereof A secondary air supplying apparatus for an internal combustion engine and a gas heating apparatus are provided to enable high-performance exhaust gas purification in a catalytic apparatus of the internal combustion engine, in particular, even at a low-tem... | 09/16/1997 |
| 5613730 | Temperature controlled seat cover assembly The present invention relates to a temperature controlled seat cover assembly, the assembly dimensioned and adapted to, in part, be releasably fitted over a seat and seat back portion of a vehicle seat to heat a user in contact therewith. The assembly inc... | 03/25/1997 |
| 5288471 | Apparatus for preserving biological products The method includes the steps of: preheating a selected volume of product to a temperature proximate to the maximum temperature of the treatment; irradiating the product with an alternating electromagnetic field in order to heat the product to approximate... | 02/22/1994 |
| 5214740 | Portable electric heating apparatus for supplying heated dry non-flammable gas to an applicator gun An apparatus for electrically heating non-flammable gases, supplied to an applicator gun comprises an elongated housing having an elongated electric heater located centrally and longitudinally therein and a metallic helically coiled tube spaced from and s... | 05/25/1993 |
| 5193139 | Household coffeemaker A household coffeemaker comprises a cold water reservoir (1) supplying a water heater (2) of the circulating type whose outlet is connected to a water channel (3) of a coffee filter (4). The water heater comprises a heating resistance (7) whose supply cir... | 03/09/1993 |
| 5081697 | Container and apparatus for warming of infusion liquid and transfusion liquid The container consists of a hose wound to four spiral coils and of a holding device for fixing the spiral coils parallel and spaced to each other, such that the individual spiral coils are substantially to be subjected from all sides with a heating medium... | 01/14/1992 |
| 5050533 | Application of thermal-cure materials A system for applying one-part thermal-cure material, such as structural epoxy, includes apparatus for heating or cooling the epoxy to a temperature above or below ambient. A spirally coiled tube is suspended within a hollow enclosure by tube end fittings... | 09/24/1991 |
| 5027596 | High performance propulsion thruster, especially for attitude and orbit control of a space flight body A high performance propulsion thruster especially for the attitude and orbit control of space craft or flying bodies in space, is equipped with a heating-up device for the propulsion gas flowing to a nozzle. The heating device is constructed with at least... | 07/02/1991 |
| 4956534 | Inverted frustum shaped microwave heat exchanger and applications thereof A microwave sourced heat exchanger in an inverted, frusta-pyramidal or frusto-conal shaped configuration. A heat conductive medium is carried within microwave transparent pipes toward a microwave source along a split path of increasing perimeter. The geom... | 09/11/1990 |
| 4947025 | Portable electric water heater for outdoor use A portable electric water heater for supplying a continuous flow of hot water for outdoor home use includes an impact resistant waterproof housing having a coiled water conducting cooper tube disposed therein and wrapped with an electrical resistance heat... | 08/07/1990 |
| 4872224 | Bathtub apparatus A bathtub apparatus is set forth wherein a portable module positionable overlying an associated bathtub rim includes a pump member for recirculating water through an inlet filtration pipe and selectively heating said water as desired. Included is valving ... | 10/10/1989 |
| 4847469 | Controlled flow vaporizer A vaporizing apparatus delivers precisely controlled, substantially continuous and monitored vapor flows for uses such as in plasma enhanced vapor deposition. The vaporizing apparatus includes a fluid passageway along which are a pumping device, a vaporiz... | 07/11/1989 |
| 4831236 | Apparatus for clearing a cellulose ester filter An apparatus for acetone clearing of cellulose or nitrate membrane filters includes an elongated electric heater element with tubing for transporting acetone coiled around said heater element and in contact therewith. Liquid acetone is introduced to said ... | 05/16/1989 |
| 4818843 | Smoke generator A smoke generator apparatus has a housing with an electrical pump mounted in the housing and connected to a fluid reservoir filled with a fluid for generating smoke. A coiled electical resistance heating tube is mounted in the housing and forms an electri... | 04/04/1989 |
| 4700047 | Fuel preheater for diesel engines A fuel preheating unit for diesel engines includes a heat exchange coil positioned in a fluid-tight enclosure having an inlet and outlet for a heat exchange medium, such as hot coolant or lubricant from the engine. The coil has a length of at least one fo... | 10/13/1987 |
| 4602145 | Tap-off hot water system for electric beverage making device The hot water container of a beverage making device is provided with a removable cover sealed thereto and has arranged therein an electric immersion heating element controlled by a running thermostat and a safety thermostat for heating a volume of cold wa... | 07/22/1986 |
| 4590361 | Food frying apparatus including indirect oil heater A food frying apparatus includes a housing having a front side, a vessel mounted within the housing to contain oil, the vessel having an expansion zone adjacent the front side, and an oil heating container connected to the vessel, the container being posi... | 05/20/1986 |
| 4575615 | Hot water supplying device A hot water supplying device is provided with a hot water supplying tank which includes first and second tank chambers. Warm water of about 85° C. is stored in the first tank chamber and hot water, which is higher in temperature than the warm water in th... | 03/11/1986 |
