US 12,268,909 B2
Electrically heated respirator
Weining Tan, Mississauga (CA)
Appl. No. 17/919,263
Filed by Weining Tan, Mississauga (CA)
PCT Filed Mar. 27, 2021, PCT No. PCT/CA2021/050402
§ 371(c)(1), (2) Date Oct. 15, 2022,
PCT Pub. No. WO2021/212208, PCT Pub. Date Oct. 28, 2021.
Prior Publication US 2023/0149747 A1, May 18, 2023
Int. Cl. A62B 9/00 (2006.01); A61L 2/04 (2006.01); A62B 18/02 (2006.01); A62B 23/02 (2006.01)
CPC A62B 9/003 (2013.01) [A61L 2/04 (2013.01); A62B 18/025 (2013.01); A62B 23/025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A multiple-layer apparatus covering at least a user's nose and mouth for pathogen control, comprising:
an outer layer;
an inner layer close to the nose and mouth;
an intermediate layer between the outer layer and the inner layer;
wherein the intermediate layer comprises an electrical heating element generating a sustained high temperature enough to de-activate at least a pathogen; wherein the temperature is well above the human's body temperature; and
a power source or connection providing electricity to the heating.