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.

Date of Patent:
Mar. 24, 2026

Filed:

May. 09, 2024
Applicant:

Drager Safety Ag & Co. Kgaa, Lübeck, DE;

Inventor:

Rüdiger Weich, Lübeck, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/14 (2006.01); G01N 33/00 (2006.01); G08B 21/12 (2006.01);
U.S. Cl.
CPC ...
G01N 33/0065 (2013.01); G01N 33/0068 (2024.05); G08B 21/12 (2013.01);
Abstract

A gas detection device and a gas detection process are capable of detecting a target gas. The sensor unit measures the target gas concentration and generates a target gas signal (con), which includes a temporal sequence of target gas signal values. If a target gas signal value is between a lower target gas threshold (con) and a higher target gas threshold, a target gas warning is issued. If the target gas signal value is greater than the greater target gas threshold, a target gas warning is issued. In addition, an aggregation signal (STEV, TWA) is generated, which is an averaging or accumulation of several target gas signal values. If an aggregated value is between a smaller and a larger aggregation threshold (STEV, TWA, STEV, TWA), an aggregation warning is issued. If the aggregated value is greater than the larger aggregation threshold (STEV, TWA), an aggregation alarm is issued.


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