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:
Nov. 09, 2004
Filed:
Apr. 20, 2001
Applicant:
Inventors:
Katsumi Mabuchi, Ibaraki, JP;
Heihatiro Midorikawa, Ibaraki, JP;
Tomoko Kikuchi, Ibaraki, JP;
Takashi Honda, Ibaraki, JP;
Michihiko Aizawa, Ibaraki, JP;
Masahiko Ito, Ibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 1/500 ; F25B 3/300 ; F28F 1/318 ; F28F 1/902 ; B21D 5/302 ;
U.S. Cl.
CPC ...
F25B 1/500 ; F25B 3/300 ; F28F 1/318 ; F28F 1/902 ; B21D 5/302 ;
Abstract
An absorption refrigerator includes a high temperature regenerator for heating a water solution including a halogen compound to generate steam. An oxide film having thickness of 0.02-5.0 &mgr;m, one of the colors blue, purple and gray, or a hydroxyl group is formed on a surface of at least one of the high temperature regenerators and the heat exchanger.
Mabuchi, Katsumi. (2004). Absorption refrigerator and production method thereof (U.S. Patent No. 6813901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6813901
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile