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:
Dec. 07, 2004
Filed:
Oct. 26, 2001
Applicant:
Inventor:
Carlos Guerra, Berring Springs, MI (US);
Assignee:
Leco Corporation, St. Joseph, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/100 ; G01N 2/700 ; G01N 3/100 ; G01N 3/300 ; G01N 7/00 ;
U.S. Cl.
CPC ...
G01N 2/100 ; G01N 2/700 ; G01N 3/100 ; G01N 3/300 ; G01N 7/00 ;
Abstract
A single pass analyzer includes multiple infrared sensors, a catalytic converter, a scrubber and a thermal conductivity cell all coupled in series to provide a single pass (i.e., one sample) analyzer which allows for fast analysis, allows for the speciation of hydrogen samples, requires no purging between different sample types, utilizes a single carrier gas, and eliminates molecular sieves and Shutze converters. The resultant analyzer provides improved quicker results with less plumbing (i.e., gas conduits and valving) in a single instrument.