US 12,263,283 B1
Wearable devices that actively disinfect
Huei Meng Chang, Milpitas, CA (US); Phong D. Pham, Union City, CA (US); Leo Y. Kwok, Milpitas, CA (US); and Isaac E Chang, Milpitas, CA (US)
Assigned to Huei Meng Chang, Milpitas, CA (US)
Filed by Huei Meng Chang, Milpitas, CA (US)
Filed on Jul. 2, 2021, as Appl. No. 17/366,060.
Claims priority of provisional application 63/047,278, filed on Jul. 2, 2020.
Int. Cl. A61L 9/20 (2006.01); A41D 13/11 (2006.01); A62B 18/00 (2006.01)
CPC A61L 9/20 (2013.01) [A41D 13/11 (2013.01); A62B 18/003 (2013.01); A61L 2209/14 (2013.01); A61L 2209/15 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A wearable device, comprising:
a headgear;
an inline system including:
two end mounting brackets;
an air inlet filter coupled with one of the end mounting brackets;
and two or more connecting pipes comprising UVC light sources, wherein two of the two or more connecting pipes are coupled with the two end mounting brackets, and wherein the two or more connecting pipes are configured to receive air from the air inlet filter and to sterilize the air using UVC light from the UVC light sources; and
a u-shaped backpack coupling two of the two or more connecting pipes and passing the flow of sterilized air from a first of the two connecting pipes to a second of the two connecting pipes, wherein the u-shaped backpack comprises a fan; and
an air hose coupling the inline system to the headgear and configured to transport a flow of sterilized air from the inline system to the headgear;
wherein:
the flow of sterilized air provides an air curtain inside the headgear, flowing from a top of the headgear to a bottom of the headgear, and exiting the headgear at the bottom.