SOLID BOWL SCREW CENTRIFUGE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Jul 18, 2024
app pub date -
May 19, 2022
filing date -
May 25, 2021
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
A solid bowl screw centrifuge has a rotatable drum, a screw arranged in the drum and rotatable relative to the rotatable drum with a differential speed, one or more drum bearings for bearing the drum, a sealing assembly arranged between a drum shaft portion and the housing for protecting at least one of the drum bearings from an ingress of constituents of a suspension. Each sealing assembly includes at least two radial shaft sealing rings arranged with a mutual axial spacing so as to form at least one chamber. Respective radial shaft sealing rings are arranged such that their respective sealing lips are directed away from the respective chamber. A gas source having a gas pressure can impinge on the respective chamber.
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 | |
---|---|---|
GEA WESTFALIA SEPARATOR GROUP GMBH | 59302 OELDE |
International Classification(s)

- 2022 Application Filing Year
- B04B Class
- 100 Applications Filed
- 26 Patents Issued To-Date
- 26 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
FRANZKE, Torsten | Oelde, DE | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
KNOSPE, Volker | Münster, DE | 3 | 3 |
# of filed Patents : 3 Total Citations : 3 |
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Patent Citation Ranking
- 0 Citation Count
- B04B Class
- 0 % this patent is cited more than
- 1 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 18, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 18, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 18, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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