US Patent 7591946 Dual zone feedwell for a thickener
Patent 7591946 was granted and assigned to Outotec on September, 2009 by the United States Patent and Trademark Office.
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Patent abstract
The invention provides an extraction device (1) for liquid suspensions and pulps and is designed for use in the field of mineral processing. The extraction device includes two adjacent upstream and downstream concentric chambers (2) and (3) defining a feedwell (4). The feedwell is centrally located upstream of a third chamber in the form of a thickening tank (5). All three chambers are in sequential unidirectional fluid flow relationship such that feed liquid flows firstly from chamber (2) to chamber (3) and then to the tank (5).
Edits on 7 Aug, 2023
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Current Assignee
Patent Jurisdiction
Patent Number
75919460
Date of Patent
September 22, 2009
0Patent Application Number
105077150
Date Filed
March 11, 2003
0Patent Primary Examiner
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US Patent 07591946 Dual zone feedwell for a thickener US Patent 7591946 Dual zone feedwell for a thickener
Infobox
Patent Number
0759194600
Patent Number
759194600
Edits on 30 Mar, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075919460
Date of Patent
September 22, 2009
0Patent Application Number
105077150
Date Filed
March 11, 2003
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075919460
Date of Patent
September 22, 2009
0Patent Application Number
105077150
Date Filed
March 11, 2003
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
Golden AI
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US Patent 07591946 Dual zone feedwell for a thickener
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07591946
Date of patent
September 22, 2009
Patent application number
10507715
Date Filed
March 11, 2003
Patent primary examiner
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