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:
Apr. 26, 1988
Filed:
Jan. 23, 1986
Applicant:
Inventor:
Bernhard W Huber, Uberlingen, DE;
Assignee:
The Perkin-Elmer Corporation, Norwalk, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 81 ; 13762418 ; 141 21 ; 141 39 ; 422 80 ; 422112 ; 422116 ; 436 43 ;
Abstract
Inert gas is supplied to a closed reagent reservoir for reagent dosing in producing gaseous measuring samples according to the 'hydride method'. Thereby, reagent is pressed into a sample vessel through a reagent dosing conduit. A manometric switch is provided at the inert gas connecting conduit to produce a defined reagent flow, by means of which manometric switch a valve located in the connecting conduit is driven into its closed position, if a preset pressure has been reached.