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:
Aug. 05, 1980
Filed:
May. 15, 1978
Applicant:
Inventor:
Lauren R Weed, Jamestown, NY (US);
Assignee:
Blackstone Corporation, Jamestown, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
165 51 ; 165165 ; 123 4108 ;
Abstract
An exhaust gas cooler for internal combustion engines of land based vehicles is provided having an outer elongate housing and a pair of spaced inner housings forming within them exhaust gas passages and with coolant passages between the walls of the inner and outer housings carrying coolant around the inner housings. Said housings are formed of sheet metal and interconnected along their edges with a metallurgical bond.