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. 17, 2019
Filed:
May. 27, 2014
Applicant:
Dräger Safety Ag & Co. Kgaa, Lübeck, DE;
Inventors:
Assignee:
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 27/00 (2006.01); F04D 29/28 (2006.01); F04D 29/42 (2006.01); F04D 29/62 (2006.01); F04D 29/70 (2006.01); A62B 9/00 (2006.01); A62B 18/00 (2006.01); A62B 7/10 (2006.01);
U.S. Cl.
CPC ...
F04D 27/001 (2013.01); A62B 7/10 (2013.01); A62B 9/006 (2013.01); A62B 18/006 (2013.01); F04D 29/281 (2013.01); F04D 29/4206 (2013.01); F04D 29/62 (2013.01); F04D 29/701 (2013.01);
Abstract
A blower filter system () includes a blower filter device () with a blower (), with a filter mount () and with a tube port () for connecting a respirator device () by a tube (). The filter mount () is designed to receive a filter (), on which a color coding () with a color specific to the pneumatic resistance of the filter () is arranged, and the blower filter device () has an optical sensor device () for recognizing different colors of the color coding ().