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. 03, 2019
Filed:
Dec. 12, 2014
Applicant:
Simtronics As, Oslo, NO;
Inventors:
Ib-Rune Johansen, Oslo, NO;
Preben Storås, Oslo, NO;
Matthieu Lacolle, Nesøya, NO;
Dag Thorstein Wang, Oslo, NO;
Arne Karlsson, Oslo, NO;
Jon Olav Grepstad, Oslo, NO;
Michal Marek Mielnik, Jar, NO;
Assignee:
Simtronics AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01); G01N 21/17 (2006.01); G01N 21/27 (2006.01); G01N 21/64 (2006.01); G01N 21/77 (2006.01);
U.S. Cl.
CPC ...
G01N 33/007 (2013.01); G01N 21/1702 (2013.01); G01N 21/274 (2013.01); G01N 21/645 (2013.01); G01N 33/0006 (2013.01); G01N 33/0013 (2013.01); G01N 33/0037 (2013.01); G01N 33/0044 (2013.01); G01N 21/643 (2013.01); G01N 2021/1704 (2013.01); G01N 2021/7786 (2013.01); Y02A 50/245 (2018.01);
Abstract
The present invention relates to a gas detector cell unit comprising a gas cell, the unit comprising an outer housing providing access to the gas outside through a protecting filter adapted to making gas cell safe for use in explosive environments, i.e. a sintered filter, and the unit comprising means for detecting reduction in the circulation through said protecting filter.