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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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| Application No. | Application Title | Issue Date |
| 20070199885 | Method for cleaning a filtering system and a filtering system having cleaning capabilities A filtering system that includes a filter housing that includes a fluid inlet and a fluid outlet, a substantially cylindrical filter located within the filter housing, and a backwash body movably mounted within the filter housing for backwashing the substantially cylind... | 08/30/2007 |
| 20070158256 | Apparatus and method for micro or ultrafiltration An apparatus provided with a micro or ultrafiltration filter, wherein the filter is provided with a filter housing having a retentate side and a permeate side, wherein the retentate side and the permeate side are separated from each other by filter material, wherein a f... | 07/12/2007 |
| 20060180528 | Waste water recovery system A waste water recovery system to filter and recirculate waste water to a wash system including a fluid recovery line, a fluid supply line and a fluid backwash line comprising a filter assembly including a water filtering section to receive waste water from the wash syst... | 08/17/2006 |
| 20060157402 | Backflushable filter device A backwashable filtering device for thermoplastic plastics material comprises a housing (1) in which at least one feed channel (2) is provided for the material to be filtered and at least one delivery channel (3) is provided for the filtered materia... | 07/20/2006 |
| 20060021920 | Pond filters Pond filters are generally discussed herein with particular discussions extended to pond filters having a filter mode and a backflush mode. In accordance with aspects of the present invention, the pond filters incorporate a flow controller positioned inside a housing ca... | 02/02/2006 |
| 20050178704 | Self-cleaning filter apparatus A self-cleaning filter system is disclosed that includes an inlet fitting that is adapted to be inserted into an existing filter body. A spray tube having a plurality of outlets that slideably engages the inlet fitting, is positioned in the ring discs of the existing fi... | 08/18/2005 |
| 20050121382 | Backwash flushing filter An inline backwash, flushing filter assembly comprising a header assembly, a rotatable valve assembly, and a filter element assembly disposed within a filter housing assembly. In operation, the controller moves the turn knob of the rotatable valve assembly a one-quarter... | 06/09/2005 |
| 20050115886 | Backflushing filter A filter has three filter elements, e.g., screens, for trapping particulate material while allowing passage of a fluid. The second sides of each of the first and second screens are connected to an intermediate passage, and the second side of the third screen, and the in... | 06/02/2005 |
