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 |
| 6680033 | Composite deodorization system and ion deodorization system A large amount of treated gas containing odor components is efficiently deodorized by performing ozone deodorization after water molecule deodorization, and thereafter performing ion deodorization. A composite deodorization system is provided with a first... | 01/20/2004 |
| 6517787 | Ozone generator with reduced NOx and method thereof The present invention discloses an ozone generator with reduced NOx comprising an air stream generating device; a drying device; an electrical field generating unit; a high-voltage generating device; and a cooling device. The flow velocity of t... | 02/11/2003 |
| 6464948 | Ozone processing apparatus for semiconductor processing system An ozone processing apparatus for a semiconductor processing system includes an ozone generating unit and a reforming processing unit connected to each other through a connection piping section. The ozone generating unit includes an ozone generator and a ... | 10/15/2002 |
| 6030586 | Ozone generating and ozone/water mixing apparatus An ozone generating and ozone/water mixing apparatus includes an ozonizer controlled to convert oxygen into ozone, and an ozone/water mixer connected to the spout of a water tap and an ozone outlet of the ozonizer to receive ozone from the ozonizer and wa... | 02/29/2000 |
| 5578280 | Ozone generator with a generally spherical corona chamber This invention relates to a novel ozone generator device for the production of high concentrations of ozone by way of a design that permits a process environment that is consonant with the optimum values of hardware and operating variables that thermodyna... | 11/26/1996 |
| 5503808 | Portable integrated ozone generator A portable compact ozone generator for producing a consistent source of ozone portably that eliminates nitrous oxides and nitric acid. The device includes a small air compressor that provides compressed ambient air to a pair of molecular sieves that elimi... | 04/02/1996 |
| 5474748 | Water decontaminating device A sterilizing apparatus is provided to simultaneously generate ozone and expose a contaminated fluid to ionizing radiation, such as UV radiation, for the sterilization of water. The device includes an air supply conduit to circulate current of air through... | 12/12/1995 |
| 5435978 | Plate-type ozonizer A plate-type ozonizer capable of suppressing the deformation of plate discharging cells and securing a high ozone-generating efficiency where a high-concentration and high-pressure ozone gas is to be generated. An ozonizer body 10, in which a plurality of... | 07/25/1995 |
| 4954321 | Method and apparatus for ozone generation An ozone generator utilizes one or more cylindrical anodes having disposed centrally therein an elongated cylindrical dielectric tube. The dielectric tube is filled with an inert gas at low pressure and contains at a first end thereof beyond the encirclem... | 09/04/1990 |
| 4650573 | Ozone generator water treatment An ozone generator has a central metal bristle brush electrode with a metal cylindrical electrode separated from it by a Pyrex cylinder. The electrodes are contained in a sealed cylinder having an inlet for air at one end and an outlet for ozone containin... | 03/17/1987 |
| 4565670 | Heat treating apparatus using microwaves A heat treating apparatus using microwaves for continuously treating a substance containing nuclear materials with consideration of the criticality safety of the nuclear materials. The apparatus has a stationary outer cylinder and a rotatable inner cylind... | 01/21/1986 |
| 4430306 | Oxygen recycle type ozonizing apparatus An ozonized oxygen fed from an ozonizer is passed to a reaction tower to treat an object material. In recovering non-reacted oxygen from the reaction tower to reuse in the ozonizer, zeolite is used as an adsorbent to remove impurities contained in the rec... | 02/07/1984 |
| 4427426 | Ozonizer system Ozonizer and water purifier. The ozonizer comprises at least one, preferably two or more, units each having an inner, rod-like electrode and an outer tubular electrode and a glass tube carrying the outer electrode. End plates are provided which are formed... | 01/24/1984 |
| 4320301 | Device for the production of ozone An ozonizer formed of a pair of tubular or plate-shaped carriers having respective electrodes arranged thereon, with the electrodes laying opposite to each other. A non-conductive layer is provided covering one of the electrodes. On the surface of the non... | 03/16/1982 |
| 4167484 | Ozone generating apparatus An ozone generating apparatus which comprises a plurality of chambers filled with an adsorbent, wherein a wet raw air is fed through one of the chambers filled with the adsorbent to adsorb moisture to form a dry air and the dry air is fed into an ozonizer... | 09/11/1979 |
| 4156653 | Three phase electrical power ozone generating system A three phase power ozonator system in which the head of an ozonator cell containing multiple cylindrical type elements is tri-partitioned to define three sectors in the cell each of which contains a portion of the total number of cylindrical type dielect... | 05/29/1979 |