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United States of America Patent
Stats
-
Sep 27, 2011
Grant Date -
Apr 9, 2009
app pub date -
Sep 8, 2006
filing date -
Sep 27, 2005
priority date (Note) -
Expired
status (Latency Note)
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Forward Citations
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Abstract
A fluid transfer apparatus for bulk material is disclosed. The transfer apparatus includes a rotor mounted on a rotatable shaft and including axially extending flow channels extending through the rotor parallel to the shaft, flow connectors for connecting a low-pressure flow of fluid and a high-pressure flow of fluid into and out of the axially extending flow channels, a casing enclosing the rotor, a pair of axially sealing plates disposed between the ends of the rotor and the casing, a pressurizing fluid fed into the chamber defined by the casing to pressurize the rotor, the flow connectors, and the axially movable sealing plates.
First Claim
all claims..Other Claims data not available
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)
- VALMET TECHNOLOGIES, INC.
International Classification(s)

- 2006 Application Filing Year
- D21C Class
- 56 Applications Filed
- 28 Patents Issued To-Date
- 50 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Danielsson, Peter | Fagervik, SE | 17 | 121 |
# of filed Patents : 17 Total Citations : 121 | |||
Hernesniemi, Lasse | Pietarsaari, FI | 12 | 56 |
# of filed Patents : 12 Total Citations : 56 | |||
Jacobsson, Torbjörn | Sundsvall, SE | 2 | 4 |
# of filed Patents : 2 Total Citations : 4 | |||
Jonsson, Anders | Söråker, SE | 87 | 875 |
# of filed Patents : 87 Total Citations : 875 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- D21C Class
- 12.04 % this patent is cited more than
- 14 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 |
---|---|---|---|
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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