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:
Jan. 08, 2019
Filed:
May. 15, 2013
Applicant:
Hydac Filtertechnik Gmbh, Sulzbach/Saar, DE;
Inventor:
Martin Freidinger, SaarbrĂĽcken, DE;
Assignee:
HYDAC FILTERTECHNIK GMBH, Sulzbach/Saar, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 29/52 (2006.01); B01D 35/147 (2006.01); B01D 35/153 (2006.01); B01D 29/23 (2006.01); B01D 35/12 (2006.01); B01D 35/157 (2006.01); B01D 29/11 (2006.01);
U.S. Cl.
CPC ...
B01D 35/1573 (2013.01); B01D 29/114 (2013.01); B01D 29/52 (2013.01); B01D 35/12 (2013.01); B01D 29/23 (2013.01); B01D 35/147 (2013.01); B01D 35/153 (2013.01);
Abstract
A filter device for fluids has a connection member () with a fluid input () for unfiltrate and fluid output () for filtrate, a first () and second filter elements () and a switching device () located in the connection member (). By the switching device, a fluid connection between the fluid input () and fluid output () can be selectively established via the first filter element () or the second filter element (). One of the filter elements is integrated into the interior of the connection member () as an auxiliary filter ().