Equipment and method for flotating and classifying mineral slurry
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 29, 2013
Grant Date -
Jan 28, 2010
app pub date -
Aug 30, 2007
filing date -
Aug 30, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an equipment and method for flotating mineral slurry (4) in a flotation cell provided with a flotation mechanism (3), comprising at least a drive shaft (6), a rotor (5) and a stator (7), and at least one inlet (11) for feeding mineral slurry (4), a froth launder system (8) for removing mineral enriched froth, at least two discharge outlets (28, 12) for removing two material flows with two different grain sizes from the flotation cell, in which case the flotation cell (2) is provided with a classifying equipment (1) including means for setting the mineral slurry (24) to be classified, separated from the mineral slurry, in an essentially upwardly moving rotary motion in the flotation cell, as well as means for separating coarser material (25) from finely divided material (26).
First Claim
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Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- OUTOTEC OYJ
International Classification(s)

- 2007 Application Filing Year
- B03D Class
- 32 Applications Filed
- 20 Patents Issued To-Date
- 62.50 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Niitti, Timo | Kuopio, FI | 10 | 52 |
# of filed Patents : 10 Total Citations : 52 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- B03D Class
- 24.32 % this patent is cited more than
- 12 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Nov 30, 2011 | FPAY | FEE PAYMENT | year of fee payment: 12 |
Dec 03, 2007 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Sep 21, 2007 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Nov 26, 2003 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Jun 13, 2000 | I | Issuance | |
May 30, 2000 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 14, 1998 | F | Filing | |
Apr 14, 1998 | PD | Priority Date | |
Apr 09, 1998 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CASPER, MARK S.;REEL/FRAME:009096/0645 Owner name: MOORE U.S.A., INC., NEW YORK Effective Date: Apr 09, 1998 |

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