国家/地区 美国（3）
IPC部 A（3）
IPC大类 B01（3） A41（2） A62（2）
IPC小类 B01D（3）
IPC
发明人
公开年 2023（3）
申请年 2021（3）
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

Wireless rechargeable and portable anti-microbial respirator for healthcare practitioners, has rechargeable battery for providing power for electric motor, and wireless power transfer receiving apparatus for receiving wireless power from battery.

DENG W, YE R, WANG S