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:
Aug. 04, 2020
Filed:
Sep. 20, 2016
Applicant:
Inficon Gmbh, Cologne, DE;
Inventors:
Daniel Wetzig, Cologne, DE;
Ludolf Gerdau, Cologne, DE;
Assignee:
INFICON GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 3/20 (2006.01); G01M 3/22 (2006.01);
U.S. Cl.
CPC ...
G01M 3/205 (2013.01); G01M 3/226 (2013.01);
Abstract
A method for detecting fluctuations in the amount of test gas detected by a sniffer probe of a leak detector in the gas flow from around a test piece pressurized with an oxygen-free test gas containing at least an amount of CO, wherein an amount of oxygen in the ambient air is measured.