| 366 / | HD | AGITATING |
| 150.1 | DF | HAVING SPECIFIED FEED MEANS {16} |
| 154.1 | DF | .~ Agitation of material in feeder or supply reservoir {3} |
| 155.1 | DF | .~.~ Rotatable impeller {2} |
| 156.1 | | .~.~.~ Screw conveyor {6} |
| 156.2 | DF | .~.~.~.~> Plural screw feeders |
| 157.1 | DF | .~.~.~.~> Coaxial or unitary with stirrer {2} |
| 158.1 | DF | .~.~.~.~> Axis parallel to stirrer in mixing chamber |
| 158.2 | DF | .~.~.~.~> Varying diameter screw or shank |
| 158.3 | DF | .~.~.~.~> Discontinuous screw |
| 158.4 | DF | .~.~.~.~> Including upstream agitator |