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. 04, 1991
Filed:
Jul. 26, 1990
Applicant:
Inventors:
Assignee:
NGK Spark Plug Co., Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60321 ; 60323 ; 1231 / ;
Abstract
A heat-resistant casing for an internal combustion engine comprises an outer wall member made of an aluminum alloy by casting and an inner wall member made of ceramic and embedded in the outer wall member at the time of casting of the outer wall member. A coolant jacket is formed in the outer wall member and is communicated with a source of cooling medium so that cooling medium circulates through the coolant jacket.
Matsuura, Tooru. (1991). Hollow heat-resisting body assembly for internal combustion engine (U.S. Patent No. 5020319). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5020319
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile