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:
Aug. 27, 2019
Filed:
Mar. 12, 2013
Applicant:
Respirion, Llc, Winston Salem, NC (US);
Inventors:
Eugene W. Moretti, Durham, NC (US);
Robert Lavin Wood, Cary, NC (US);
Allan Bruce Shang, Wake Forest, NC (US);
Steven S. Yauch, Clayton, NC (US);
Assignee:
RESPIRION, LLC, Winston Salem, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/78 (2006.01); A61B 5/00 (2006.01); A61B 5/083 (2006.01);
U.S. Cl.
CPC ...
G01N 21/783 (2013.01); A61B 5/0836 (2013.01); A61B 5/742 (2013.01); Y10T 436/204998 (2015.01);
Abstract
A method of monitoring a respiratory stream can be provided by monitoring color change of a color change material to determine a CO2 level of the respiratory stream in contact with the color change material by emitting visible light onto the color change material. Related devices, systems, and compositions are also disclosed.