| Patent Number |
Title Of Patent |
Date Issued |
| 6136207 |
Lifting mechanism assembly for a rotary drive assembly |
October 24, 2000 |
| A lifting mechanism for a sedimentation tank is provided for vertically raising and lowering a rake assembly in such sedimentation tank. The lifting mechanism comprises one or more elongate members pivotally connected to certain structural elements of the assemblage, such as the rota |
| 5997740 |
Lifting mechanism assembly for a rotary drive assembly |
December 7, 1999 |
| A lifting mechanism for a sedimentation tank is provided for vertically raising and lowering a rake assembly in such sedimentation tank. The lifting mechanism comprises one or more elongate members pivotally connected to certain structural elements of the assemblage, such as the rota |
| 5893970 |
Self-diluting feedwell for thickener dilution |
April 13, 1999 |
| A self-diluting feedwell for a thickener or settling tank includes a delivery pipe for providing an influent feed stream of slurry, a nozzle for directionally discharging the influent feed stream, and an eductor structure including a launder zone for receiving the nozzle discharge, a |
| 5643463 |
Self-diluting feedwell for thickener dilution |
July 1, 1997 |
| A self-diluting feedwell for a thickener or settling tank includes a delivery pipe for providing an influent feed stream of slurry, a nozzle for directionally discharging the influent feed stream, and an eductor structure including a launder zone for receiving the nozzle discharge, a |
| 5389250 |
Self diluting feedwell for thickener dilution |
February 14, 1995 |
| A self-diluting feedwell for a thickener or settling tank includes a delivery pipe for providing an influent feed stream of slurry, a nozzle for directionally discharging the influent feed stream, and an eductor structure including a launder zone for receiving the nozzle discharge, a |
