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:
May. 05, 2026
Filed:
May. 25, 2021
Inficon Gmbh, Cologne, DE;
Daniel Wetzig, Cologne, DE;
Maximilian Reismann, Cologne, DE;
Josef Grenz, Cologne, DE;
Hendrik Van Triest, Cologne, DE;
INFICON GMBH, Cologne, DE;
Abstract
In a test leakage device () for testing the functionality and for calibrating a gas leak detection device having an evacuable test chamber () for receiving a test object and the test leakage device (), wherein the test leakage device () has a base (), a cover () and at least one side wall () connecting the base () to the cover (), which surround an interior space () which can be filled with a test gas or a test liquid, provision is made for the base () to have a membrane () which is permeable to the test gas or constituents of the test liquid, and for mutually opposite sections of that inner side () of the side wall () which faces the interior space () to be at a greater distance from one another in the region of the cover than in the region of the base.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile