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. 07, 2006
Filed:
Mar. 25, 2004
Hasso Von Blücher, Erkrath, DE;
Ludovic Ouvry, Düsseldorf, DE;
Stefan Kämper, Ratingen, DE;
Michael Moskopp, Schwalmtal, DE;
Ernest DE Ruiter, Leverkusen, DE;
Bertram Böhringer, Wuppertal, DE;
Hasso von Blücher, Erkrath, DE;
Ludovic Ouvry, Düsseldorf, DE;
Stefan Kämper, Ratingen, DE;
Michael Moskopp, Schwalmtal, DE;
Ernest de Ruiter, Leverkusen, DE;
Bertram Böhringer, Wuppertal, DE;
Blücher GmbH, Erkrath, DE;
Abstract
A filter unit for the purification of air includes at least a first filter element, which contains granular, especially spherical, activated carbon as an adsorbent material, and at least a second filter element, which contains a combination of granular, especially spherical, activated carbon and activated carbon fibers as an adsorbent material. The filter unit is suitable especially for use in ventilation plants, ventilation systems, air-conditioning systems and the like.