Vibratory separators and screens

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8622220
APP PUB NO 20090057205A1
SERIAL NO

11897975

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A screen for a vibratory separator includes at least two layers of screening material, at least one layer of screening material made of a plurality of intersecting wires having a coating containing nickel or chromium. Wires in the screening material including first shute wires and first warp wires at a right angles to each other. The first warp wires at a right angle to first shute wires, the second wires including second shute wires and second warp wires, each of the second shute wires at a right angle to second warp wires, and each of the second warp wires at a right angle to second shute wires. The first warp wires are aligned with second warp wires, and each of the first shute wires are aligned with a second shute wire.

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Patent Owner(s)

Patent OwnerAddress
VARCO I/P INC2835 HOLMES ROAD HOUSTON TX 77051

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dufilho, Paul William Willis, US 5 10
Larson, Thomas Robert Montgomery, US 11 80
Schulte,, Jr David Lee Willis, US 2 10

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