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Class Information
Number: 209/497
Name: Classifying, separating, and assorting solids > Stratifiers > Elements > Feeding
Description: Means and methods for feeding material to stratifiers which are not classifiable in subclasses 488, 489, or the here inunder-indented subclasses.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5785182 |
Portable finishing sluice |
Jul. 28, 1998 |
| 5443737 |
Rotary drum with radial spray jets |
Aug. 22, 1995 |
| 5048693 |
Method and apparatus for sorting articles with small density differences utilizing a flotation stream |
Sep. 17, 1991 |
| 4953709 |
Multi-stage means for sorting mixtures of solid materials |
Sep. 4, 1990 |
| 4795553 |
Spiral separator |
Jan. 3, 1989 |
| 4461700 |
Rotary feeder |
Jul. 24, 1984 |
| 4328093 |
Device for separating granulated material from a fluid flow |
May. 4, 1982 |
| 4234415 |
Apparatus for separating solids |
Nov. 18, 1980 |
| 4071440 |
Method and apparatus of stratification with tangential feed |
Jan. 31, 1978 |
| 4060482 |
Method of and apparatus for separating fractions of different density contained in ores or other solid materials |
Nov. 29, 1977 |
| 4028231 |
Vacuum type coal separator |
Jun. 7, 1977 |
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