| Patent Number |
Title Of Patent |
Date Issued |
| 6171024 |
Injection hopper for use in a material delivery system |
January 9, 2001 |
| A material injection hopper is adapted for mounting on a movable working arm of a self-propelled vehicle. The injection hopper is carried downwardly by the working arm into a waste storage lagoon to deliver waste-processing material to a predetermined subsurface target area in the la |
| 6152656 |
Material delivery system |
November 28, 2000 |
| A material delivery system conveys material from a supply location at or above an area surface to a working location below the area surface. The delivery system includes a supply hopper located at the supply location and having an inlet for receiving material to be conveyed and an outlet |
| 6033154 |
Waste processing attachment and method for environmentally treating a waste lagoon |
March 7, 2000 |
| A self-propelled vehicle includes a waste processing attachment. The vehicle is adapted for being moved over a supporting surface, and has a moveable working arm for reaching outwardly from the vehicle and downwardly beneath an adjacent surface of a waste lagoon. The waste processing |
