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:
Oct. 11, 2011
Filed:
Mar. 01, 2006
Applicants:
Jean-marie Jacquet, Le-Palais-sur-Vienne, FR;
Frederick G. Wietig, East Aurora, NY (US);
Inventors:
Jean-Marie Jacquet, Le-Palais-sur-Vienne, FR;
Frederick G. Wietig, East Aurora, NY (US);
Assignee:
Sulzer Metaplas GmbH, Bergisch Gladbach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piston ring () is covered at least partially with a layered structure (). The layered structure () comprises: —a first intermediate layer () comprising at least one element of group IVB, group VB or group VIB; —a second intermediate layer () deposited on top of the first intermediate layer () and comprising a diamond-like nanocomposite composition; —a diamond-like carbon layer () deposited on top of the second intermediate layer ().