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Class Information
Number: 209/437
Name: Classifying, separating, and assorting solids > Stratifiers > With liquid treatment > Movable bed > Chutes and tables > Reciprocating
Description: Tables or chutes having reciprocating motion on which material having constituents differing in mass is treated with accompanying or added liquid, the heaviest constituents settling as a stratum and the lighter either forming an overlying stratum or being carried away by the liquid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7533775 |
Separation of fine granular materials |
May. 19, 2009 |
| 5421461 |
Panning apparatus |
Jun. 6, 1995 |
| 5148922 |
Gravity particle separator |
Sep. 22, 1992 |
| 5087379 |
Ultrasonic vibrator tray processes |
Feb. 11, 1992 |
| 4919807 |
Ultrasonic vibrator tray apparatus |
Apr. 24, 1990 |
| 4778219 |
Jigging machine |
Oct. 18, 1988 |
| 4552654 |
Sample concentrating cable jig |
Nov. 12, 1985 |
| 4521302 |
End elevation adjustment of material separating tables |
Jun. 4, 1985 |
| 4359383 |
Placer mining apparatus |
Nov. 16, 1982 |
| 4290527 |
Sluice construction |
Sep. 22, 1981 |
| 4253943 |
Continuous flow classification and specific gravity separation apparatus |
Mar. 3, 1981 |
| 4251358 |
Sand separator |
Feb. 17, 1981 |
| 4251357 |
Sluice construction |
Feb. 17, 1981 |
| 4240903 |
Method of reverse stratification |
Dec. 23, 1980 |
| 4152255 |
Vibratory material handling apparatus including screens |
May. 1, 1979 |
| 4150749 |
Ore concentrator table support |
Apr. 24, 1979 |
| 3970551 |
Gold separator |
Jul. 20, 1976 |
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