Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7985335 | Low profile catch basin filter A catch basin configured to filter water by way of a matrix filter and a filter pouch. If the matrix filter should become clogged, a bypass weir provides means of bypassing the matrix filter to prevent the catch basin from clogging. ... | 07/26/2011 |
| 7165913 | Trench drain filter assembly An improved trench drain filter and modular system therefor for intercepting and treating run off water in a trench drain before discharge into a drainage system. The filter elements include a perforated pipe covered with one or more layers of geotextile material, w... | 01/23/2007 |
| 7040838 | High capacity catch basin filtration system with adjustable deflector ring A catch basin filtration system having a filter body dimension to fit within a drain inlet forming a trough or reservoir obstructing at least a portion of the inlet. The filter body is supported by a filter body support dimensioned to cooperatively engage with the i... | 05/09/2006 |
| 6986621 | Trench drain filtration system A trench drain filtration system having a filter body dimensioned to fit within a trench drain forming a trough or reservoir obstructing at least a portion of the trench drain. The filter body is supported by a filter body support dimensioned to cooperatively engage... | 01/17/2006 |
| 6976808 | Catch basin filtration system will disposable silt/contaminant collector A catch basin filtration system is disclosed. A filter body is dimensioned to fit within an drain inlet forming a trough obstructing at least a portion of the inlet. The filter body is supported by a filter body support dimensioned to cooperatively engage with the i... | 12/20/2005 |
