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:
Feb. 10, 2015
Filed:
Oct. 11, 2011
Applicants:
Peter Grahle, Riedholz, CH;
Wilfried Sander, Neckarsulm, DE;
Joachim Schulz, Stuttgart, DE;
Andreas Seeger-van Nie, Winterbach, DE;
Inventors:
Peter Grahle, Riedholz, CH;
Wilfried Sander, Neckarsulm, DE;
Joachim Schulz, Stuttgart, DE;
Andreas Seeger-Van Nie, Winterbach, DE;
Assignee:
Mahle International GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 1/04 (2006.01);
U.S. Cl.
CPC ...
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.