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:
Sep. 25, 2001
Filed:
Feb. 11, 2000
Applicant:
Inventors:
Atsushi Miyamoto, Osaka, JP;
Yasuhiro Kakimi, Osaka, JP;
Shingo Kunitani, Osaka, JP;
Daisuke Ito, Osaka, JP;
Assignee:
Daido Hoxan Inc., Sapporo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F25B 9/00 ; B01D 8/00 ;
U.S. Cl.
CPC ...
F25B 9/00 ; B01D 8/00 ;
Abstract
A pulse tube refrigerator which enables holding a cooling temperature without the use of a heater and the like. The pulse tube refrigerator employs a working gas which has a liquefying temperature within the range of an operating temperature of the pulse tube refrigerator.