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. 03, 2003
Filed:
Jun. 21, 2002
Applicant:
Inventor:
Ulrich Rieger, Stuttgart, DE;
Assignee:
DaimlerChrysler AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 1/42 ;
U.S. Cl.
CPC ...
F02F 1/42 ;
Abstract
A cylinder head of an internal combustion engine includes at least one exhaust port, which is formed by a port liner of at least two layers cast into the cylinder head, provided with a heat-insulating layer and having a sheet metal port, the sheet metal port being surrounded by a helically wound sheet metal strip.
Rieger, Ulrich. (2003). Cylinder head of an internal combustion engine (U.S. Patent No. 6571762). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6571762
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile