Mixing impeller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 19, 2012
Grant Date -
Apr 8, 2010
app pub date -
Oct 8, 2008
filing date -
Oct 8, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An impeller for use in association with an extraction plate adapted for defibering liquid slurry stock and causing defibered material to pass through the extraction plate. The impeller includes a cylindrical central body portion and a plurality of vanes extending outwardly in a generally tangential direction from the central body portion. The vane leading face height from an extraction side to an air foil surface is substantially constant from the vane outer end to where the vane is attached to the central body portion at the radially outward edge of the central body portion, and then thereafter gradually decreasing in height from the radially outward edge of the body central portion to the airfoil surface at the vane inner end.
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 | |
---|---|---|
OVIVO LUXEMBOURG S A R L | 5365 MUNSBACH |
International Classification(s)

- 2008 Application Filing Year
- B02C Class
- 291 Applications Filed
- 199 Patents Issued To-Date
- 68.39 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Burns, James P | Hollis, US | 35 | 277 |
# of filed Patents : 35 Total Citations : 277 | |||
Crossley, Bruce R | Pittsfield, US | 3 | 18 |
# of filed Patents : 3 Total Citations : 18 | |||
Ducharme, Joseph A | Milford, US | 1 | 7 |
# of filed Patents : 1 Total Citations : 7 | |||
Sykora, Anthony C | Hudson, US | 1 | 7 |
# of filed Patents : 1 Total Citations : 7 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 5 Citation Count
- B02C Class
- 10.26 % this patent is cited more than
- 13 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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Jun 30, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 16, 2018 | I | Issuance | |
Dec 27, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 07, 2016 | P | Published | |
Feb 15, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAKEYASU, SHINOBU;IWASAKI, ATSUSHI;REEL/FRAME:037894/0187 Owner name: SHIN-ETSU HANDOTAI CO., LTD., JAPAN Effective Date: Feb 15, 2016 |
Sep 01, 2014 | F | Filing | |
Oct 29, 2013 | PD | Priority Date |

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