B03B 4/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9964357 Drying and separation integrated machine for vibrating fluidized bedJul 26, 13May 08, 18China University of Mining and Technology
9802204 Extended riffle structure for a dry washerJan 21, 16Oct 31, 17Not available
9682405 Systems and methods for the environmental remediation of materials contaminated with heavy mineralsAug 23, 15Jun 20, 17Vortex Technology, LLC
9346082 Gravity separatorAug 04, 14May 24, 16Oliver Manufacturing Company, Inc.
9315878 System and method for iron ore byproduct processingSep 11, 13Apr 19, 16Not available
9259740 Extended riffle structure for a dry washerSep 10, 14Feb 16, 16Not available
8827081 Gravity separatorAug 11, 11Sep 09, 14Oliver Manufacturing Company, Inc.
4931174 Zigzag classifierFeb 27, 89Jun 05, 90Bayer Aktiengesellschaft