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:
Nov. 13, 2001
Filed:
Sep. 17, 1999
Applicant:
Inventor:
Robert D. Eckles, Malcolm, NE (US);
Assignee:
Li-Cor, Inc., Lincoln, NE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/161 ;
U.S. Cl.
CPC ...
G01N 2/161 ;
Abstract
The present gas analyzer allows for the effective measurement of the concentration of one or more gases or vapors within a sample. The gas analyzer utilizes a plurality of reference filters that are located between the source and the sample region to enhance the measurements associated with the sample filters. The gas analyzer also utilizes a gas channel to facilitate the circulation of scrubbed gas between two separate housing sections.