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:
May. 14, 2013
Filed:
Jul. 28, 2006
Applicants:
Michael Andersen, Krefeld, DE;
Martin Engels, Alpen, DE;
Inventors:
Michael Andersen, Krefeld, DE;
Martin Engels, Alpen, DE;
Assignee:
Norgren GmbH, Alpen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piston portion () for a piston assembly () is provided according to an embodiment of the invention. The piston portion () includes a substantially cylindrical head portion () including a mating face (). The piston portion () further includes a substantially annular insert chamber () formed in the mating face () and adapted for receiving a portion of a substantially annular insert ().