DEFIBRATOR WITH SEPARATED BLOW VALVE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 10, 2019
app pub date -
Jun 1, 2017
filing date -
Jun 13, 2016
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
The invention relates to a pulp refining system for mechanically refining of lignocellulosic material, comprising a defibrator, a defibrator housing, in which the defibratoris arranged, a blow valve having an inlet and an outlet and being adapted for regulating a flow of pulp therethrough, and a discharge pipe having an inlet, which is connected to the outlet (12) of the blow valve, wherein a mounting pipe having an inlet, which is connected to the defibrator housing, is arranged between the defibrator housing and the blow valve, said mounting pipe having a length of at least about 0.2 meter.
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 | |
---|---|---|
VALMET AB | SE-851 94 SUNDSVALL |
International Classification(s)

- 2017 Application Filing Year
- D21B Class
- 55 Applications Filed
- 37 Patents Issued To-Date
- 67.28 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
AHLGREN, Örjan | Sundsvall, SE | 8 | 4 |
# of filed Patents : 8 Total Citations : 4 | |||
ERIKSSON, Per | Alnö, SE | 11 | 31 |
# of filed Patents : 11 Total Citations : 31 | |||
GRANNAS, Mattias | Alnö, SE | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
NYBERG, Per | Sundsbruk, SE | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
WALLIN, Per | Alnö, SE | 3 | 14 |
# of filed Patents : 3 Total Citations : 14 |
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Patent Citation Ranking
- 0 Citation Count
- D21B Class
- 0 % this patent is cited more than
- 6 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 10, 2027 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 10, 2031 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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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