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.:

US 7121350 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 17, 2006

Filed:

Mar. 09, 2004
Applicants:

Colin A. Aldridge, Okotoks, CA;

Fritz Jagert, Langdon, CA;

Inventors:

Colin A. Aldridge, Okotoks, CA;

Fritz Jagert, Langdon, CA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

An anchor to inhibit rotation of a device relative to an oil well casing, comprising a tubular mandrel adapted for direct or indirect connection to the device; a rotatable cylindrical housing with a plurality of apertures and able to receive at least a portion of the mandrel concentrically therethrough; a plurality of spaced apart anchoring slips disposed between the housing and the mandrel in registry with respective ones of the apertures in the housing's outer surface; a rotation mechanism associated with the mandrel to engage and then move respective ones of the anchoring slips radially towards and then into temporarily anchoring contact with the casing; and one or more drag blocks disposed in the housing in registry with respective ones of the apertures in the housing's outer surface to extend radially outwardly therefrom, each of the drag blocks being normally biased into frictional contact with the casing.


Find Patent Forward Citations

Aldridge, Colin. (2006). Torque anchor (U.S. Patent No. 7121350). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7121350

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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