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:
Jul. 16, 1991
Filed:
May. 30, 1990
Applicant:
Inventors:
Assignee:
AVL AG, Schaffhausen, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 67 ; 422 63 ; 422 64 ;
Abstract
A feeding device with a feeder element for liquid or gaseous samples includes an automatic sample exchanger having sample vessels for the liquid or gaseous samples and openings between the sample vessels through which the feeder element is automatically shifted from the feed position for serial samples to an initial position in contact with a feed opening for calibrating or cleansing media.