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:
Mar. 15, 2016
Filed:
Apr. 19, 2013
Applicant:
Honeywell International Inc., Morristown, NJ (US);
Inventors:
Christopher Scott Larsen, Rockford, MN (US);
Peter Tobias, Minneapolis, MN (US);
Andrew McIntosh, Chicago, IL (US);
Assignee:
Honeywell International Inc., Morristown, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 7/10 (2006.01); A62B 9/00 (2006.01);
U.S. Cl.
CPC ...
A62B 9/006 (2013.01);
Abstract
Embodiments relate generally to systems and methods for determining end of service life for a respirator cartridge by comparing the gas levels sensed at two or more sample points within the cartridge. Sample streams may run from the sample points to a gas sensor, wherein a valve may control the flow between the sample streams and the gas sensor.