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. 12, 2008
Filed:
Oct. 04, 2004
Applicant:
Rainer Scharp, Vaihingen, DE;
Inventor:
Rainer Scharp, Vaihingen, DE;
Assignee:
MAHLE GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a one-piece piston () for an internal combustion engine comprising an annular cooling channel () which is arranged in the edge area of the piston head () and closed by a substantially cylindrical embodied in one-piece ring ().