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:
Sep. 30, 2014
Filed:
Feb. 19, 2010
Helge Krohn, Sandnes, NO;
Mads Grinrød, Stavanger, NO;
Helge Krohn, Sandnes, NO;
Mads Grinrød, Stavanger, NO;
West Drilling Products AS, Stavanger, NO;
Abstract
A device for tripping, in which, at a drill-floor opening which is arranged to receive a pipe string, two or more cooperating pipe-handling units are arranged, each, independently of the other(s) or in cooperation with the other(s), being arranged to releasably hold the pipe string fixed and to move the pipe string in its axial direction, and also to move a pipe section in the axial direction of the pipe string and rotate the pipe section around the axis of the pipe string.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile