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:
Aug. 30, 1977
Filed:
May. 27, 1976
Court Lone Wolfe, Pittsburgh, PA (US);
Ronald Louis Krutz, N. Huntingdon, PA (US);
W. R. Grace & Co., New York, NY (US);
Abstract
A fluorescent gas analyzer to detect the concentration of a trace gas in another gas or a mixture of gases. The invention is particularly adapted to measure pollutant gases in the air, and still more particularly to measure SO.sub.2 in air, stack gases, and the like. The invention includes a removable and heated sample cell. The analytical determinations are made digitally by direct photon counting. The digital logic which handles the data produced by the cell includes means for continuous adjustment to accommodate changes in source energy and means to correct for dark current.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile