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:
Apr. 26, 2005
Filed:
Dec. 20, 2002
Karl T. Hartwig, Jr., College Station, TX (US);
Karl T. Hartwig, Jr., College Station, TX (US);
The Texas A&M University System, College Station, TX (US);
Abstract
According to one embodiment of the present invention, an equal channel angular extrusion (ECAE) method includes extruding a billet of material along a first axis in a first orientation through an ECAE die, extruding the billet along the first axis in a second orientation through the ECAE die, the second orientation oriented approximately 180° from the first direction, extruding the billet along the first axis in a third orientation through the ECAE die, the third orientation oriented approximately 90° from the second orientation, and extruding the billet along the first axis in a fourth orientation through the ECAE die, the fourth orientation oriented approximately 180° from the third orientation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile