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. 21, 2008
Filed:
Oct. 27, 2004
Applicant:
Reinhardt Thoms, Neumunster, DE;
Inventor:
Reinhardt Thoms, Neumunster, DE;
Assignee:
Sauer-Danfoss Inc., Ames, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 27/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An arrangement for filtering a hydraulic fluid having a bypass line connecting the feed channel to the discharge channel where the bypass line is opened by a pressure switching valve when a pressure change is caused by the contamination of the filter element.