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. 23, 2018
Filed:
Sep. 09, 2013
Applicant:
Inficon Gmbh, Bad Ragaz, CH;
Inventors:
Christian Berg, Stafa, CH;
Martin Wüest, Malans, CH;
Assignee:
INFICON GMBH, Bad Ragaz, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 21/02 (2006.01); G01L 9/12 (2006.01); G01L 21/00 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01L 21/02 (2013.01); G01L 9/12 (2013.01); G01L 21/00 (2013.01); G01N 33/0062 (2013.01);
Abstract
A pressure step is applied to the interior of a compartment. A sensor which measures the pressure within compartment, in response of the prevailing pressure level, and the transient step response oscillation frequency is used to identify the gas or gas mixture present in the compartment.