Hard and lubricious valve surfaces, material compositions and sequences of manufacturing

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12241561
APP PUB NO 20240247729A1
SERIAL NO

18437739

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The disclosure provides for a valve including a surface movably engaged with another surface. A coating is on the surface and is characterized by: a CoF of less than 0.1; a hardness in excess of 1,200 HVN; impermeability to liquids at pressures ranging from 15 and 20,000 psi; a surface finish of 63 or less; and a thickness ranging from 0.5 to 20 mils. The disclosure provides for material constructions including a continuous phase, including a transition metal, and a discontinuous phase, including a solid dry lubricant. The disclosure also provides for a method of depositing a coating that includes depositing a first layer of a coating onto a surface using electroplating, electroless plating, thermal spraying, or cladding, and then depositing a second layer of the coating onto a surface of the first layer using sputtering, ion beam, plasma enhanced chemical vapor deposition, cathodic arc, or chemical vapor deposition.

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First Claim

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Patent Owner(s)

  • CAMERON INTERNATIONAL CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Manson, Ronald Spring, US 5 6
Marya, Manuel Sugar Land, US 50 1560
Meade, Christian Houston, US 7 8

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