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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.:

US 12264815 B1

PDFFull Text
Date of Patent:
Apr. 01, 2025

Filed:

Oct. 20, 2022

Method of providing doses of light sufficient to deactivate dangerous pathogens throughout a volumetric space over a period of time

Applicant:

Legrand Lighting Manufacturing Co., Kenosha, WI (US);

Inventors:

James W. Hawkins, Lake Forest, IL (US);

Clifford J. Yahnke, Kenosha, WI (US);

Assignee:

LEGRAND LIGHTING MANUFACTURING CO., Kenosha, WI (US);

Attorneys:

MARSHALL, GERSTEIN & BORUN LLP

Randall G. Rueth

Primary Examiner:

Kevin Joyner

Int. Cl.
CPC ...
A61L 2/08 (2006.01); A61L 2/24 (2006.01); A61L 9/18 (2006.01); A61L 9/20 (2006.01); A61N 5/06 (2006.01); F21K 9/00 (2016.01); F21S 8/02 (2006.01); F21V 5/04 (2006.01); F21V 7/00 (2006.01); F21V 19/00 (2006.01); F21V 23/04 (2006.01); F21V 29/70 (2015.01); F21V 33/00 (2006.01); H01L 33/50 (2010.01); H05B 45/20 (2020.01); H05B 45/56 (2020.01); H05B 47/10 (2020.01); H05B 47/105 (2020.01); H05B 47/175 (2020.01); H05B 47/19 (2020.01); F21V 15/01 (2006.01); F21V 23/06 (2006.01); F21V 31/00 (2006.01); F21W 131/20 (2006.01); F21Y 101/00 (2016.01); F21Y 105/10 (2016.01); F21Y 113/00 (2016.01); F21Y 113/13 (2016.01); F21Y 115/10 (2016.01); H05B 47/13 (2020.01); H05B 47/165 (2020.01); H05B 47/17 (2020.01);
U.S. Cl.
CPC ...
F21V 5/04 (2013.01); A61L 2/084 (2013.01); A61L 2/24 (2013.01); A61L 9/18 (2013.01); A61L 9/20 (2013.01); A61N 5/06 (2013.01); F21K 9/00 (2013.01); F21S 8/026 (2013.01); F21V 7/00 (2013.01); F21V 19/006 (2013.01); F21V 23/0442 (2013.01); F21V 23/0471 (2013.01); F21V 29/70 (2015.01); F21V 33/0068 (2013.01); H01L 33/50 (2013.01); H05B 45/20 (2020.01); H05B 45/56 (2020.01); H05B 47/10 (2020.01); H05B 47/105 (2020.01); H05B 47/175 (2020.01); H05B 47/19 (2020.01); A61L 2202/11 (2013.01); A61L 2202/14 (2013.01); A61L 2202/25 (2013.01); A61L 2209/111 (2013.01); A61L 2209/12 (2013.01); A61N 5/0624 (2013.01); A61N 2005/0662 (2013.01); F21V 15/01 (2013.01); F21V 23/06 (2013.01); F21V 31/005 (2013.01); F21W 2131/20 (2013.01); F21Y 2101/00 (2013.01); F21Y 2105/10 (2016.08); F21Y 2113/00 (2013.01); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08); H01L 33/505 (2013.01); H05B 47/13 (2020.01); H05B 47/165 (2020.01); H05B 47/17 (2020.01);
Abstract

A method of inactivating one or more pathogens in an environment. The method includes providing light from at least one lighting element of a lighting device installed in the environment, the at least one lighting element configured to provide light toward a target area in the environment, the provided light having at least a pathogen-inactivating first component in a first range of wavelengths of 400 nanometers to 420 nanometers. The pathogen-inactivating first component of light produces an irradiance of at least 0.01 mW/cmas measured at a surface in the target area that is unshielded from the lighting device and located at a distance of 1.5 meters from an external-most luminous surface of the lighting device. Providing the light causes the one or more pathogens to be inactivated.

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