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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 |
| 7341701 | Method, apparatus and plant for treating culinary gaseous effluents A method and apparatus (22) for treating culinary gaseous effluents (Eg) carried in an air extraction duct of a kitchen, the apparatus includes: a unit (24) for storing in liquid form a nucleophilic active product (Pa... | 03/11/2008 |
| 7332004 | Effluent filtering and containment apparatus An apparatus for filtering and containing grease or other effluent discharged from a drain spout of an exhaust fan includes a hollow housing and top and bottom portions covering each end thereof. A filter element disposed within the housing for filtering the effluen... | 02/19/2008 |
| 7320636 | Exhaust fan assembly having flexible coupling An exhaust assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner w... | 01/22/2008 |
| 7316720 | Securing device for a filter element A securing device for a filter element, which can be detachably mounted on an extractor hood, has a connecting implement for detachably connecting the filter element to the associated extractor hood. The connecting implement catches the filter element when detaching... | 01/08/2008 |
| 7247087 | Fume hood with air directing member A fume hood adapted to be connected to an exhaust system, the fume hood including a cabinet formed with a chamber having a generally flat bottom wall and a sash door mounted at the front end of the chamber for movement in a vertical plane to provide an access openin... | 07/24/2007 |
| 7049569 | Microwave oven with air cleaning function Disclosed is a microwave oven with an air cleaning function. The microwave oven includes an air cleaning button formed on a control panel of the microwave oven, a controller for determining an input signal from the air cleaning button and generating a driving signal... | 05/23/2006 |
| 6974375 | Double vent dust collection hood with inspection lighting, storage shelf and sandpaper dispensers A sanding hood has a bottom vent for above a bottom shelf attached to a sanding bench with the shelf aligned with the top of the bench. A series of halogen lights attach above the bottom vent to shine on the bench. An upper shelf above the lights shields the worker'... | 12/13/2005 |
| 6974380 | Laboratory air handling unit The invention is an air handling system that is shared between a laboratory and offices within the same building. The normally separate office and lab systems have been combined by way of an air return system that draws air from the offices and feeds into both the o... | 12/13/2005 |
| 6945244 | Range hood The present invention relates to a range hood for evacuating air or emitted gas, which contains oily smoke and the like generated by cooking on a range, to the outside of a house. ... | 09/20/2005 |
| 6923715 | Device for regulating the air volume flow for a vent in a laboratory A device for regulating the air volume flow for a laboratory exhaust, has a rectangular housing (6) which can be arranged on the laboratory exhaust. The device is equipped with inflow devices that can be connected to the interior of the laboratory exhaust and... | 08/02/2005 |
| 6830602 | Device for a ventilation system Device for extraction of greases in aerosol form from an air flow in a ventilation system, which device includes a number of intermediate plates which define both an increased surface of deposition for the greases, and an extended flow path in the ventilation system... | 12/14/2004 |
| 6802767 | Local exhausting and ventilating methods, and local exhausting device and local ventilating system The object of the present invention is to provide exhaust air discharging and ventilating technologies capable of completing local ventilation without affecting the habitability and workability. The invention is a method for locally discharging the air around... | 10/12/2004 |
| 6797246 | Apparatus and method for cleaning, neutralizing and recirculating exhaust air in a confined environment Exhaust air containing particulate and gas contaminants is withdrawn from a confined environment, such as a food cooking area, by a circulation system which liquid scrubs some of the contaminants from the exhaust flow, removes mist of the scrubbing liquid from the f... | 09/28/2004 |
| 6719622 | Smoke exhaust structure A smoke exhaust structure including a housing, a circuit system and a smoke exhaust system. At least one motor is arranged on the housing. The circuit system is connected with the motor and a controller via electric wire. The smoke exhaust system is composed of at l... | 04/13/2004 |
| 6669547 | Multi-stack exhaust system A multi-stack exhaust system and method including at least one fume hood, multiple exhaust stacks, each stack having a return duct with a return damper and a discharge duct with a discharge damper, a fan, a flow sensor, a first static pressure sensor for ... | 12/30/2003 |
| 6626972 | Smoke exhauster having changeable filter devices A smoke exhauster includes a housing having a front opening and a rear orifice, for receiving two filter devices respectively. One or more fan devices are disposed in the housing for generating air to flow through filter devices, and a device may be used ... | 09/30/2003 |
| 6569008 | Network for an oil-smoke exhausting device A network for an oil-smoke exhausting device includes multiple cone-shaped nets separately piled up to one another and adapted to be mounted under an inlet of the oil-smoke exhausting device. Each net has a close end and an open end. The close end has a d... | 05/27/2003 |
| 6446624 | Smart circuit device of smoke exhauster for cooking The present invention proposes a smart circuit device of a smoke exhauster for cooking. The smart circuit device of the present invention comprises a sensing circuit comprising a temperature sensor and a smoke sensor, a signal processing circuit of temper... | 09/10/2002 |
| 6202641 | Hood for cooking areas A hood to be mounted against a wall above a cooking area, comprising filtering elements and fan means which are integrated in a supporting frame and are connected to a control device. The hood further comprises a depth compensation device which is constit... | 03/20/2001 |
| 6202638 | Grill cover A cover for a grill equipped with a downdraft ventilator. The cover includes a heat resistant enclosure having a bottom edge that sufficiently encloses the grill to contain smoke and splatter generated during cooking. A vent opening is defined in the encl... | 03/20/2001 |
| 5874292 | System and method for vent hood cleaning and comprehensive bioremediation of kitchen grease A commercial and institutional kitchen retrofit system for 1. the automatic daily cleaning of commercial kitchen exhaust hoods and flues, 2. a low pressure, low volume, recirculating cleaning system designed for the removal of oily residue from hard surfa... | 02/23/1999 |
| 5858316 | Process and device for removal and oxidation of organic substances from kitchen vapor A process and device for removing and oxidizing organic substances from an extracted air stream. The air stream is flowed through a filter which adsorbs the organic material, where the airstream is bypassed around a catalyst until the filter is saturated.... | 01/12/1999 |
| 5836297 | Cooking exhaust apparatus and method of installing the apparatus The invention aims to achieve a strong low-noise exhaust from a smoke collecting hood disposed right above a gas range on a cooking table through a piping in a ceiling in a high-rise apartment house or a detached house. The cooking table is provided on a ... | 11/17/1998 |
| 5771879 | Heated makeup air system for a commercial kitchen A heated air makeup unit comprises a duct structure having a surrounding wall, a fan for moving air through the duct structure, and a gas burner mounted in the duct structure for heating air being moved past the burner. A pair of laterally spaced convergi... | 06/30/1998 |
| 5693298 | Method for the catalytic abatement of broiler emissions In a catalytic assembly having an oxidation catalytic unit disposed above the broiling area of a fat-food broiler for enabling the catalytic oxidation of volatile broiling smoke organic contaminants, a low pressure drop open-pore metallic flame-arresting ... | 12/02/1997 |
| 5678532 | Guard device for smoke exhauster A guard device for protecting the front panel of a smoke exhauster is provided. The device comprises generally a rectangular guard plate slidingly held in a pair of securing appendages which are respectively secured to the ends of the front panel and each... | 10/21/1997 |
| 5622100 | Catalytic assembly for cooking smoke abatement A smoke abatement assembly is provided as an adjunct overlaying a cooking device such as a broiler or fryer system in a commercial restaurant. The smoke abatement assembly comprises a sealed housing which supports a low-pressure flame arrester, between 1 ... | 04/22/1997 |
| 5572984 | Modular food service kiosk A modular kiosk for use in the food service industry is described. The kiosk includes one or more structural units having upstanding sides and back, and a horizontal roof with couplings on the back thereof for coupling appliances disposed in the unit to s... | 11/12/1996 |
| 5472342 | Kitchen exhaust hood grease extractor A grease collector housing is mounted directly atop a filter-containing kitchen exhaust hood at the exhaust collar. The housing includes a liquid reservoir at the bottom, a 360 degree shallow conical spray head immediately above the reservoir, an array of... | 12/05/1995 |
| 4648378 | Roaster A roaster for roasting meat is proposed. Smoke emitted by meat while it is roasted is drawn into a smoke intake flue through a pair of openings provided along and over the longitudinal edges of a rectangular griddle. Then the smoke is purified by a smoke ... | 03/10/1987 |
| 4584929 | Exhaust device An exhaust device comprising an elongate hood having side walls (3,4). An internal, centrally located deflection casing (10) has two mutually aligned suction openings (8,9) which, in combination with an air-supply device (6) disposed at the bottom of the ... | 04/29/1986 |
| 4469084 | Device for collecting emissions from kerosene heaters An apparatus for both improving the heat distribution throughout a room from a portable kerosene heater and for collecting undesirable emissions resulting from the burning of the kerosene, includes a base adapted to be mounted on the top of the heater, th... | 09/04/1984 |
| 4411254 | Countertop range with proximity ventilation and electronic air cleaner Disclosed is a proximity ventilated cooking range adapted for countertop installation in a conventional stack-on kitchen cabinet. The surface heating units and ventilating air intake rest over a cut-out portion of the cabinet countertop with a ventilating... | 10/25/1983 |
| 4400356 | Combustion catalyst bed A catalytic combustor bed configuration particularly adapted for use in wood and coal burning stoves is described comprising a support screen having a layer of fully catalyst impregnated particulate material next to the screen, a layer of particulate mate... | 08/23/1983 |
| 4373507 | Stove construction A wood burning stove having a catalytic converter for achieving greatly increased combustion efficiency, said stove having damper means for insuring that all combustion gases from the primary combustion chamber pass through said converter before reaching ... | 02/15/1983 |
| 4354863 | False ceiling A false ceiling for use in removing and/or dissipating contaminants in a room including a plurality of ceiling elements, each of which has an arcuate configuration, the concave surface of which is directed downwardly, and the convex surface of which is di... | 10/19/1982 |
| 4350504 | Air cleaning system A cooking unit having a hood equipped with air cleaning structures and blowers for moving air through the cleaning structures. The air cleaning structures include a pre-filter having spaced baffles for collecting air borne greases and particles. A primary... | 09/21/1982 |
| 4163894 | Oven having a diluting ventilation system The specification discloses a self-cleaning oven including an outer housing with an oven liner disposed within the housing in a spaced-apart relationship forming cavities between the housing and liner walls. A duct system is provided for directing air fro... | 08/07/1979 |
| 4022118 | Kitchen ventilator grease extractor construction This invention relates to a ventilating system used for withdrawing cooking fumes from a kitchen, teaching an improved fire rated centrifugal grease extractor and flow control damper arrangement at the inlet to the extractor. The disclosed centrifugal gre... | 05/10/1977 |
