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:
Jan. 24, 2012
Filed:
Apr. 19, 2007
Applicants:
Horst Wezurek, Ratzeburg, DE;
Miriam Dittrich, Bad Schwartau, DE;
Inventors:
Horst Wezurek, Ratzeburg, DE;
Miriam Dittrich, Bad Schwartau, DE;
Assignee:
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09B 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A training device for a self-rescuer is improved such that practical breathing parameters will become established. A granular filling of a material () is used that binds water molecules and generated heat of adsorption or heat of absorption in the process instead of an oxygen-releasing chemical.