国家/地区 美国（4）
IPC部 A（4）
IPC大类 A41（4）
IPC小类 B01D（4）
IPC A41D013/11（3） B01D046/00（3） A62B023/02（2）
B01D039/16（2） B32B005/26（2）
发明人
公开年 2021（2） 2023（2）
申请年 2021（4）
专利权人

Article-of-manufacture for providing oxygen tree for removing carbon-di-oxide gas from atmosphere, has controller configured to activate heater to raise filter temperature, and open captured carbon-di-oxide transfer port causing captured carbon-di-oxide pass out of capture chamber.

BRUNO J

Combination of nanoparticles applied onto mask filtration system for filtering airborne pollutants comprising PM2.5 and aerosolized virus particles of severe acute respiratory syndrome-coronavirus disease, comprises graphene, titanium dioxide, zinc oxide, copper oxide, silicon dioxide, and solvent.

NAG I

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Multi-layered face mask for being placed over user's mouth and nose, has copper wire trim running along top of mask from end to end, and Bluetooth wireless transmitter embedded within inner and outer layers.

CHILDERS J M, RUBIO R J