Centrifuge and changeable weir inserts therefor

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United States of America Patent

PATENT NO 8845506
SERIAL NO

13058898

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A centrifuge, including: a flange closing off one axial end of a separation chamber; a plurality of apertures that traverse axially through the flange at a radial distance from a flange axis, wherein at least one aperture is in fluid communication with a first outlet passage; a plurality of weir inserts removably disposed within the plurality of apertures to control a flow of one or more fluids from the separation chamber; wherein at least one weir insert disposed within the at least one aperture in fluid communication with the first outlet passage is changeable to prevent or allow fluid communication between the separation chamber and the first outlet passage.

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Patent Owner(s)

Patent OwnerAddress
M-I LLC5950 NORTH COURSE DRIVE HOUSTON TX 77072

International Classification(s)

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  • 2009 Application Filing Year
  • B04B Class
  • 79 Applications Filed
  • 64 Patents Issued To-Date
  • 81.02 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2009201020112012201320142015201620170255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Geehan, Thomas Houston, US 13 181
Vicentini, Leonardo Renzo Berra, IT 8 26
Walraven, Albert Dubai, AE 5 30

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Patent Citation Ranking

  • 5 Citation Count
  • B04B Class
  • 7.79 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges643175212101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 9002.557.51012.51517.52022.52527.53032.53537.54042.54547.5

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 30, 2026