The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2005
Filed:
Oct. 10, 2003
Diego Dell'erba, Campana, AR;
Gabriel E. Carcagno, Campana, AR;
Diego Dell'Erba, Campana, AR;
Gabriel E. Carcagno, Campana, AR;
Tenaris Connections AG, , LI;
Abstract
A threaded metallic pipe for oil extraction industry has a threaded end portion with treated surface in which the metal surface has a roughness (Ra) comprised of 2.0 μm and 6.0 μm, which is covered by a uniform layer () of a dry corrosion inhibiting coating and a second uniform layer () of dry lubricant coating. Alternatively the layers () combined into one uniform layer () of a dry corrosion inhibiting coating containing a dispersion of particles of solid lubricant.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile