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. 14, 2025
Filed:
Jan. 14, 2021
The Government of the United States of America, As Represented BY the Secretary of the Navy, Arlington, VA (US);
Suok-Min Na, Laurel, MD (US);
Paul K. Lambert, Columbia, MD (US);
Nicholas J. Jones, Fairfax, VA (US);
The United States of America, as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
High entropy alloys (HEAs) are provided, which exhibit a high magnetic entropy change over a large temperature range, as well as methods for making HEAs. The invention also provides HEAs that exhibit notable magnetostriction at room temperature, and alloying methods for producing them. The materials and methods of the invention may be used, for example, in solid-state refrigeration apparatus and methods, as well as in transduction devices and energy harvesting applications.