US 12,343,668 B2
Air disinfection chamber
Leo J. Schowalter, Latham, NY (US); and James Davis, Green Island, NY (US)
Assigned to Crystal IS, Inc., Green Island, NY (US)
Filed by Crystal IS, Inc., Green Island, NY (US)
Filed on Oct. 22, 2021, as Appl. No. 17/508,425.
Application 17/508,425 is a continuation in part of application No. 17/115,737, filed on Dec. 8, 2020, granted, now 11,440,818.
Application 17/115,737 is a continuation in part of application No. 16/855,939, filed on Apr. 22, 2020, granted, now 11,279,632.
Claims priority of provisional application 63/138,121, filed on Jan. 15, 2021.
Claims priority of provisional application 63/114,354, filed on Nov. 16, 2020.
Claims priority of provisional application 62/836,793, filed on Apr. 22, 2019.
Prior Publication US 2022/0040365 A1, Feb. 10, 2022
Int. Cl. B01D 53/02 (2006.01); A61L 9/20 (2006.01); B01D 46/00 (2022.01)
CPC B01D 46/0028 (2013.01) [A61L 9/20 (2013.01); A61L 2209/12 (2013.01); A61L 2209/14 (2013.01); B01D 46/0005 (2013.01); B01D 2279/50 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of forming an air disinfection chamber comprising:
providing a sheet of UVC reflective material wherein the material is at least 90% UVC reflective and diffusively reflective to UVC;
cutting holes in the UVC reflective material prior to forming the sheet into a cylindrical shape, the holes configured to allow UVC radiation to pass therethrough;
positioning a respective LED in a respective cut hole; and
forming the sheet into a cylindrical shape that defines a chamber having a length of about 0.5 meters to about 2 meters.