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:
Jun. 23, 2009
Filed:
Feb. 18, 2005
Applicants:
Karl A. Gschneidner, Jr., Ames, IA (US);
Alexandra O. Tsokol, Ames, IA (US);
Vitalij K. Pecharsky, Ames, IA (US);
Inventors:
Karl A. Gschneidner, Jr., Ames, IA (US);
Alexandra O. Tsokol, Ames, IA (US);
Vitalij K. Pecharsky, Ames, IA (US);
Assignee:
Atlas Scientific, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 9/00 (2006.01); F28D 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multi-stage cryocooler having a relatively low temperature stage to cool to less than about 15K and having a regenerator including a ductile intermetallic compound including one or more rare earth elements and one or more non-rare earth metals.