Method and apparatus for the separation, particularly classification of a solids/liquid mixture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 10, 1993
Grant Date -
N/A
app pub date -
May 11, 1992
filing date -
May 10, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and an apparatus for centrifugally separating and classifying a liquid slurry into a solids heavy phase and a light phase fraction with a rotary mounted centrifugal drum having a cylindrical section extending from a first end and completed by a conical section extending toward a second end, a rotary auger within the drum moving slurry from the first to the second end, a slurry inlet at the first end; outlet nozzles extending at an oblique angle opposite the rotational direction of the drum in the cylindrical section for discharge of the heavy phase material, and light phase openings at the second end in the conical section close to the drum axis.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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BAKER HUGHES (DEUTSCHLAND) GMBH | 29221 CELLE |
International Classification(s)

- 1992 Application Filing Year
- B04B Class
- 44 Applications Filed
- 18 Patents Issued To-Date
- 40.91 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kluge, Reinhard | Bergisch Gladbach, DE | 2 | 19 |
# of filed Patents : 2 Total Citations : 19 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 13 Citation Count
- B04B Class
- 60.78 % this patent is cited more than
- 32 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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Sep 07, 2005 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 10, 2005 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Aug 10, 2005 |
Aug 10, 2005 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Feb 23, 2005 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 05, 2001 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Jan 19, 1999 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DEUTZ AG;REEL/FRAME:010007/0741 Owner name: BAKER HUGHES (DEUTSCHLAND) GMBH, GERMANY Effective Date: Jan 19, 1999 |
Jan 16, 1997 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Aug 10, 1993 | I | Issuance | |
May 27, 1992 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:KLUGE, REINHARD;REEL/FRAME:006152/0475 Owner name: KLOECKNER-HUMBOLDT-DEUTZ AG, A GERMAN CORP. Effective Date: May 27, 1992 |
May 11, 1992 | F | Filing | |
May 10, 1991 | PD | Priority Date |

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