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| Number | Title | Issue Date |
| 5833851 | Method and apparatus for separating and deliquifying liquid slurries A screw press separator is provided herein for separating and deliquifying a slurry of solids and liquids e.g., a slurry of manure and water, or any other slurry of similar physical characteristics. The separator includes a cylindrical housing having a sl... | 11/10/1998 |
| 4279629 | Fire prevention filter for chimneys and the like This invention is concerned with a removable filter to prevent the buildup of Creosote in chimneys which become vulnerable to fires. A hollow enclosure means that is adapted to connect between the chimney and the fire source has within it a support for mountin... | 07/21/1981 |
