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:
Oct. 28, 2025
Filed:
Dec. 29, 2021
Applicant:
Inficon Gmbh, Cologne, DE;
Inventor:
Daniel Wetzig, Cologne, DE;
Assignee:
Inficon GMBH, Cologne, DE;
Primary Examiner:
Int. Cl.
CPC ...
G01M 3/20 (2006.01); G01M 3/00 (2006.01);
U.S. Cl.
CPC ...
G01M 3/20 (2013.01); G01M 3/002 (2013.01);
Abstract
A method for detecting a test gas escaping from a leak in a test specimen that uses an optical sensor to measure optical radiation reflected or emitted from the test specimen or its background at different points in time and comparing the measured optical radiation at the different points in time to determine whether a leak exists.