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Class Information
Number: 209/494
Name: Classifying, separating, and assorting solids > Stratifiers > Elements > Discharging > Exits
Description: Special constructions of discharge passages adapted to discharge one or more grades or classes of material from stratifiers.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614502 |
Apparatus and method for making and sorting articles of mail |
Nov. 10, 2009 |
| 6612443 |
Hutch chamber for jig |
Sep. 2, 2003 |
| 6293407 |
System for debris elimination and item separation and method of use thereof |
Sep. 25, 2001 |
| 6286686 |
Hutch chamber for jig |
Sep. 11, 2001 |
| 6095342 |
Hand held classifying device |
Aug. 1, 2000 |
| 5975309 |
Fluidized-bed classifier |
Nov. 2, 1999 |
| 5692620 |
Funnel apparatus for mining gold |
Dec. 2, 1997 |
| 5375720 |
Dry separation of particulate material of different densities |
Dec. 27, 1994 |
| 5273162 |
Method and apparatus for separating material from a fluid |
Dec. 28, 1993 |
| 5148921 |
Pneumatic separation of particulate material |
Sep. 22, 1992 |
| 4913804 |
Device and process for separating granular material |
Apr. 3, 1990 |
| 4898666 |
Rotating centrifugal jig with Pulsator |
Feb. 6, 1990 |
| 4652362 |
Apparatus and method for separating heavy material, more particularly stones or the like, from cereals and other bulk materials |
Mar. 24, 1987 |
| 4565326 |
Method and apparatus for removing veneer from reworked medicine tablets |
Jan. 21, 1986 |
| 4553673 |
Method and apparatus for obtaining undercuts of concentrates from pulp flow in spiral separators |
Nov. 19, 1985 |
| 4505811 |
Mineral processing apparatus |
Mar. 19, 1985 |
| 4319995 |
Process and apparatus for separating particles by relative density |
Mar. 16, 1982 |
| 4289610 |
Apparatus for pumping and conditioning drilling fluid |
Sep. 15, 1981 |
| 4229289 |
Fluidized bed apparatus and process |
Oct. 21, 1980 |
| 4207176 |
Reclamation of unset concrete aggregates |
Jun. 10, 1980 |
| 4189378 |
Spiral separators |
Feb. 19, 1980 |
| 4149967 |
Shaking table sorter operating by specific gravity |
Apr. 17, 1979 |
| 4059506 |
Ore tailings treatment |
Nov. 22, 1977 |
| 4055487 |
Drum-type sand classifier |
Oct. 25, 1977 |
| 4039436 |
Spiral classifier having primary and secondary coarse solids fraction discharge |
Aug. 2, 1977 |
| 3984306 |
Pinched sluice separators |
Oct. 5, 1976 |
| 3966593 |
Process and an apparatus for purifying a stream of mechanically comminuted material as well as for enriching fine ores and other minerals by mechanical sorting |
Jun. 29, 1976 |
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