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.

Date of Patent:
Oct. 27, 2015

Filed:

Feb. 24, 2010
Applicants:

Steffen Hoppe, Overath, DE;

Manfred Fischer, Leichlingen, DE;

Marcus Kennedy, Dusseldorf, DE;

Inventors:

Steffen Hoppe, Overath, DE;

Manfred Fischer, Leichlingen, DE;

Marcus Kennedy, Dusseldorf, DE;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 9/26 (2006.01); C23C 14/06 (2006.01);
U.S. Cl.
CPC ...
C23C 14/0605 (2013.01); F16J 9/26 (2013.01);
Abstract

The invention relates to a gliding element of an internal combustion engine, especially a piston ring, having a DLC coating of the ta-C type which has at least one residual stress gradient.


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