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Class Information
Number: 209/267
Name: Classifying, separating, and assorting solids > Sifting > Conveying > Retarders
Description: Devices associated with sifters which retard the passage of material over the sifting surfaces and which are not primarily agitators.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7198156 |
Dam basket for vibratory separators |
Apr. 3, 2007 |
| 5614094 |
Vibrating screen unit |
Mar. 25, 1997 |
| 5305891 |
Wood chip bar screen deck arrangement |
Apr. 26, 1994 |
| 5238117 |
Mineral processing screen separator |
Aug. 24, 1993 |
| 5045182 |
Apparatus and method for removing debris from granular material |
Sep. 3, 1991 |
| 4682423 |
Centrifugal drier drum for wet granular material |
Jul. 28, 1987 |
| 4609467 |
Rotary plow assembly |
Sep. 2, 1986 |
| 4602998 |
Raisable plow assembly |
Jul. 29, 1986 |
| 4561972 |
Combine sieve plate |
Dec. 31, 1985 |
| 4552653 |
Rear dump truck with sieving device |
Nov. 12, 1985 |
| 4376044 |
Automatic sizing device |
Mar. 8, 1983 |
| 4367601 |
Separable means for excluding oversized slender objects |
Jan. 11, 1983 |
| 4351719 |
Vibrating screen apparatus |
Sep. 28, 1982 |
| 4124498 |
Semi-cylindrical oscillating sifter |
Nov. 7, 1978 |
| 4120790 |
Synthetic rubber dewatering apparatus and method |
Oct. 17, 1978 |
| 4115257 |
Grain cleaner |
Sep. 19, 1978 |
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