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:
Dec. 13, 2011
Filed:
Dec. 08, 2008
Peter Grahle, Riedholz, CH;
Wilfried Sander, Neckarsulm, DE;
Joachim Schulz, Stuttgart, DE;
Andreas Seeger-van Nie, Winterbach, DE;
Peter Grahle, Riedholz, CH;
Wilfried Sander, Neckarsulm, DE;
Joachim Schulz, Stuttgart, DE;
Andreas Seeger-Van Nie, Winterbach, DE;
MAHLE International GmbH, Stuttgart, DE;
Abstract
A piston for an internal combustion engine, has a lower piston part and an upper piston part disposed on the lower piston part. The upper piston part has a top land that runs around its circumference, and a ring belt that runs around its circumference. At least the upper piston part consists of a sintered material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile