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.:

US 8770590 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 08, 2014

Filed:

Nov. 09, 2010
Applicant:

Peter Esser, Kurten, DE;

Inventor:

Peter Esser, Kurten, DE;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 9/12 (2006.01); F16J 15/00 (2006.01); F16J 9/20 (2006.01);
U.S. Cl.
CPC ...
F16J 9/203 (2013.01);
Abstract

An oil scraper piston ring includes a ring body having two radial outer running webs on the ring body, which are arranged one behind the other in relation to the run direction of the piston and are spaced apart from one another by an external depression. Each running web respectively has two scraper lips and a wear protection coating is provided on each scraper lip.


Find Patent Forward Citations

Esser, Peter. (2014). Oil control ring (U.S. Patent No. 8770590). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8770590

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…