Centrifuge and changeable weir inserts therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 30, 2014
Issued Date -
N/A
app pub date -
Aug 5, 2009
filing date -
Aug 15, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A centrifuge, including: a flange closing off one axial end of a separation chamber; a plurality of apertures that traverse axially through the flange at a radial distance from a flange axis, wherein at least one aperture is in fluid communication with a first outlet passage; a plurality of weir inserts removably disposed within the plurality of apertures to control a flow of one or more fluids from the separation chamber; wherein at least one weir insert disposed within the at least one aperture in fluid communication with the first outlet passage is changeable to prevent or allow fluid communication between the separation chamber and the first outlet passage.
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 | |
---|---|---|
M-I LLC | 5950 NORTH COURSE DRIVE HOUSTON TX 77072 |
International Classification(s)

- 2009 Application Filing Year
- B04B Class
- 79 Applications Filed
- 64 Patents Issued To-Date
- 81.02 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Geehan, Thomas | Houston, US | 13 | 181 |
# of filed Patents : 13 Total Citations : 181 | |||
Vicentini, Leonardo Renzo | Berra, IT | 8 | 26 |
# of filed Patents : 8 Total Citations : 26 | |||
Walraven, Albert | Dubai, AE | 5 | 30 |
# of filed Patents : 5 Total Citations : 30 |
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Patent Citation Ranking
- 5 Citation Count
- B04B Class
- 7.79 % this patent is cited more than
- 11 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 30, 2026 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
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