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:
Sep. 01, 2026
Filed:
Dec. 28, 2020
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Andreas Ringk, Bamberg, DE;
Anton Ringel, Bamberg, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04082 (2016.01); B01D 39/20 (2006.01); H01M 8/04089 (2016.01); H01M 8/04223 (2016.01); H01M 8/0662 (2016.01); H01M 8/12 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04089 (2013.01); H01M 8/04201 (2013.01); H01M 8/0687 (2013.01);
Abstract
The present invention relates to a filter unit () for filtering a fluid () for the operation of a fuel cell. The filter unit () comprises at least one filter element () filled with a filter material () comprising cyclodextrin. The presented invention also relates to a fuel cell system, to the use of cyclodextrin to filter a fluid for the operation of a fuel cell system, and to a method for operating a fuel cell system.
Ringk, Andreas. (2026). Device and method for cleaning a fluid for the operation of a fuel cell (U.S. Patent No. 12725812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12725812
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile