US Patent 8262140 Threaded joint with improved resilient seal ring

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Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8262140

Patent Inventor Names

Alfredo Francisco Quiroga0

Gaston Mazzaferro0

Nestor J. Santi0

Date of Patent

September 11, 2012

Patent Application Number

12920085

Date Filed

February 27, 2009

Patent Citations Received

‌

US Patent 12129533 Ultra-fine grained steels having corrosion- fatigue resistance

‌

US Patent 11692630 Redundant seal with radial features

‌

US Patent 11833561 Method of manufacturing a coiled tubing string

‌

US Patent 11952648 Method of forming and heat treating coiled tubing

Patent Primary Examiner

‌

Aaron Dunwoody

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