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:
Nov. 19, 2019
Filed:
Jun. 09, 2015
Applicant:
Hydac Filtertechnik Gmbh, Sulzbach/Saar, DE;
Inventors:
Volkmar Klein, Zweibruecken, DE;
Claudia Brocker, Saarbruecken, DE;
Assignee:
HYDAC FILTERTECHNIK GMBH, Sulzbach/Saar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/00 (2006.01); B01D 29/21 (2006.01); B01D 27/00 (2006.01); B01D 29/23 (2006.01); B01D 29/58 (2006.01); D21H 21/48 (2006.01); D21H 27/08 (2006.01); F02M 37/22 (2019.01);
U.S. Cl.
CPC ...
B01D 29/213 (2013.01); B01D 27/005 (2013.01); B01D 29/235 (2013.01); B01D 29/58 (2013.01); B01D 35/005 (2013.01); D21H 21/48 (2013.01); D21H 27/08 (2013.01); B01D 2201/291 (2013.01); B01D 2201/52 (2013.01);
Abstract
A filter element for fluid filtration, in particular for hydraulic fluid, has element components, such as pleated and multi-layer filter material () that extends between two end caps () and has a fluid-permeable supporting tube () forming a hollow cylinder. At least one element component of the filter element is provided at least partially with at least one luminescent material or marker such that the material or marker is excited to a characteristic, detectable wave emission when exposed to a certain exciter wave or wave spectrum.