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:
Jun. 10, 2025
Filed:
Aug. 29, 2019
Applicant:
Guntram Krettek, Viersen, DE;
Inventor:
Guntram Krettek, Viersen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B04B 7/16 (2006.01); B04B 7/18 (2006.01);
U.S. Cl.
CPC ...
B04B 7/16 (2013.01); B04B 7/18 (2013.01);
Abstract
A method for fixing a metal sheet serving as a filter element or the like to the inner peripheral wall of a filter device is disclosed. The metal sheet is arranged in a round shape, optionally with overlapping axial edge regions, on the inner peripheral wall of the housing of the filter device and is pressed against the peripheral wall of the housing with the aid of an expansion device. The disclosure further relates to a filter device produced in this way and to the expansion device used to carry out such a method.
Krettek, Guntram. (2025). Method for fixing a metal sheet and filter device produced therewith (U.S. Patent No. 12325033). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12325033
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile