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Class Information
Number: 209/508
Name: Classifying, separating, and assorting solids > Stratifiers > Elements > Supports
Description: Special devices or structures which support stratifying devices.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6889845 |
Jigging machine |
May. 10, 2005 |
| 6102211 |
Rotating gold pan assembly |
Aug. 15, 2000 |
| 5275294 |
Rotating gold pan for separating gold particles from ore |
Jan. 4, 1994 |
| 5273165 |
Rotating gold pan for separating gold particles from ore |
Dec. 28, 1993 |
| 5244099 |
Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improved material fluidized bed sorting |
Sep. 14, 1993 |
| 5071541 |
Method and apparatus for sorting a mixture of particles |
Dec. 10, 1991 |
| 4978011 |
Sorting machine for grained products |
Dec. 18, 1990 |
| 4865311 |
Playground slide construction |
Sep. 12, 1989 |
| 4857177 |
Dry separation of solids |
Aug. 15, 1989 |
| 4793918 |
Gravity separator |
Dec. 27, 1988 |
| 4778219 |
Jigging machine |
Oct. 18, 1988 |
| 4636305 |
Apparatus for cleaning grits |
Jan. 13, 1987 |
| 4584098 |
Ore concentrator |
Apr. 22, 1986 |
| 4563271 |
Percussion jig |
Jan. 7, 1986 |
| 4521302 |
End elevation adjustment of material separating tables |
Jun. 4, 1985 |
| 4428830 |
Precious metals recovery unit |
Jan. 31, 1984 |
| 4371435 |
Placer mining sluice |
Feb. 1, 1983 |
| 4150749 |
Ore concentrator table support |
Apr. 24, 1979 |
| 4078996 |
Vibrating table for the gravimetric separation of fine particles |
Mar. 14, 1978 |
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