| |
 |
|
Class Information
Number: 209/422
Name: Classifying, separating, and assorting solids > Stratifiers
Description: Methods and apparatus by which mixtures of materials having components of different mass, due to differences in size, specific gravity, or both, are assorted by being caused to stratify and at least one stratum collected separately from the rest of the material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6495045 |
Solid substance removing device |
Dec. 17, 2002 |
| 6365050 |
Method for stopless and splitless flow field-flow fractionation |
Apr. 2, 2002 |
| 6142311 |
Process for controlling a sand and gravel sorting and sizing device |
Nov. 7, 2000 |
| 6109119 |
Sample focusing device and method |
Aug. 29, 2000 |
| 5244155 |
Solid-solid separations utilizing alkanol amines |
Sep. 14, 1993 |
| 5193688 |
Method and apparatus for hydrodynamic relaxation and sample concentration NIN field-flow fraction using permeable wall elements |
Mar. 16, 1993 |
| 5141651 |
Pinched channel inlet system for reduced relaxation effects and stopless flow injection in field-flow fractionation |
Aug. 25, 1992 |
| 5039426 |
Process for continuous particle and polymer separation in split-flow thin cells using flow-dependent lift forces |
Aug. 13, 1991 |
| 4948497 |
Acoustically fluidized bed of fine particles |
Aug. 14, 1990 |
| 4894146 |
Thin channel split flow process and apparatus for particle fractionation |
Jan. 16, 1990 |
| 4737268 |
Thin channel split flow continuous equilibrium process and apparatus for particle fractionation |
Apr. 12, 1988 |
| 4523682 |
Acoustic particle separation |
Jun. 18, 1985 |
| 4426281 |
Float/sink treatment of crushed coal in solutions of monosaccharides and disaccharides |
Jan. 17, 1984 |
| 4278536 |
Method of starting an electro-pneumatically actuated wet-settling machine |
Jul. 14, 1981 |
|
|
|
