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. 17, 1989
Filed:
Feb. 24, 1988
Applicant:
Inventors:
Kimio Hirata, Chiba, JP;
Yasuo Saito, Chiba, JP;
Assignee:
Toshiba Monofrax Co., Ltd., Katori, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
165-91 ; 165-94 ;
Abstract
In a heat regenerator, a unit body of a refractory unit has an upper end surface (1a), a lower end surface (1b), an outer wall (1c), an inner wall (1d) and a flow passage (7) which is formed by the inner wall (1c) and extends between both end surfaces (1a, 1b). The outer wall (1c) includes a series of concave and convex strips (4). The inner wall (1d) includes a series of concave and convex strips (5).
Hirata, Kimio. (1989). Refractory unit for a heat regenerator (U.S. Patent No. 4874034). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4874034
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile