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:
Sep. 03, 2019
Filed:
Dec. 02, 2015
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Josef Richter, Karlsruhe, DE;
Piotr Strauch, Ruelzheim, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/20 (2006.01); F16K 11/02 (2006.01); G01N 30/40 (2006.01); G01N 30/46 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
G01N 30/20 (2013.01); F16K 11/022 (2013.01); G01N 30/40 (2013.01); G01N 30/468 (2013.01); G01N 2030/025 (2013.01); G01N 2030/201 (2013.01); G01N 2030/205 (2013.01); G01N 2030/402 (2013.01);
Abstract
A gas chromatograph that includes a metering chamber, two separating devices and a multiport valve unit having switching functions for metering, straight separation, cutting and backflush, where the multiport valve unit is formed as a multiport diaphragm valve.