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:
Oct. 07, 2003
Filed:
Aug. 03, 2001
Applicant:
Inventors:
Roger A. Post, Arcanum, OH (US);
Todor K. Sheiretov, Sugar Land, TX (US);
Carl J. Roy, Richmond, TX (US);
Joseph F. Cordera, Missouri City, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 2/300 ;
U.S. Cl.
CPC ...
E21B 2/300 ;
Abstract
A linkage apparatus for selectively gripping and releasing the inside walls of a conduit, the apparatus comprising: a first arm; a bi-directional gripping cam rotatably attached to the arm; and an extension and locking device adapted to selectively radially extend the arm from a tool housing to an inside wall of a conduit and adapted to selectively lock the arm in an extended position.
Post, Roger. (2003). Bi-directional grip mechanism for a wide range of bore sizes (U.S. Patent No. 6629568). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6629568
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile