Vibratory screening apparatus

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United States of America Patent

PATENT NO 8418856
APP PUB NO 20100282648A1
SERIAL NO

12670260

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to a vibratory screening apparatus which comprises a vibratable screen element (2) mounted in a basket (4), which basket (4) is mounted over a reservoir (6) which contains and holds a pool of liquid slurry (8). A first end (10) of the screen element (2) is disposed within the reservoir (6) such that it is submerged in the body of liquid slurry (8). The reservoir has a deep end (12) in which the first end (10) of the screening element (12) is disposed and a second shallow end (14) above which a median portion (16) of the screening apparatus is disposed. The second end (18) of the screen element (2) is disposed above a portion (20) of the reservoir which extends above the surface of the body of liquid slurry held within the reservoir (6). Vibration means are provided for vibrating the screen element such that oversized solids in the liquid slurry in use of the operation are dewatered on the screen element and are discharged from the second elevated end of the screen element and underside solids pass through the screen element, where they may be collected. A vibratory screening machine is also described.

First Claim

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Patent Owner(s)

Patent OwnerAddress
NATIONAL OILWELL VARCO UK LIMITEDSTONEHOUSE GLOUCESTERSHIRE GL10 3RQ

International Classification(s)

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  • 2008 Application Filing Year
  • B07B Class
  • 101 Applications Filed
  • 64 Patents Issued To-Date
  • 63.37 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200820092010201120122013201420152016201720180255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bailey, Marshall G Aberdeenshire, GB 14 346

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Patent Citation Ranking

  • 6 Citation Count
  • B07B Class
  • 10.11 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges967111101 - 1011 - 2021 - 3031 - 40051015202530354045505560657075

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