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. 05, 1997
Filed:
Feb. 01, 1996
Applicant:
Inventor:
Robert Kessel, Bad Oldesloe, DE;
Assignee:
Dragerwerk Aktiengesellschaft, Lubeck, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; H01J / ;
U.S. Cl.
CPC ...
73 3107 ; 73 232 ; 73 3102 ; 324464 ;
Abstract
A device for the selective detection of a component from a gas mixture comprises a selective prefilter for retaining the other components of the gas mixture, a measuring unit arranged downstream of the selective prefilter for the component to be detected, and a pump pumping the gas mixture. The use of a photoionization detector as a downstream measuring unit makes possible a continuous display operation.
Kessel, Robert. (1997). Device for the selective detection of a component in a gas mixture (U.S. Patent No. 5654498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5654498
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