国家/地区 美国（12）
IPC部 A（12）
IPC大类 B01（12） A62（5） A41（4）
A61（4） B32（3） B03（2）
C01（2） C02（2）
IPC小类 B01D（12）
IPC B01D046/00（6） B01D039/16（4） A41D013/11（3）
A62B023/02（3） A62B018/02（2） A62B018/08（2）
B01D039/20（2） B01D069/12（2） B01D071/02（2）
B03C003/41（2） B03C003/47（2） B32B005/02（2）
B32B005/26（2） C01B032/194（2）
发明人
公开年 2021（8） 2023（3）
申请年 2021（12）
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

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Filter used for cigarette, comprises mouth piece, filtration column comprising graphere ceramic nano-composite material, front plug, back plug, cigarette holding section, and cylindrical pipe to fix cigarette.

SINGHAL A V

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

Graphene oxide-based membrane for use in regenerative dialysis system, comprises substrate, and multiple layers of single-layered graphene oxide formed on surface of substrate, where each layer is functionalized by diamine functional group.

YANG H Y, LEONG Z Y, ROY D M, KODURI S

Air purifying device for separating materials from air flow, has collector plates arranged downstream of set of ionization needles, where device generates ionization corona discharge by positive ionization voltage led to needles.

TULKKI J, JUHANI T, SKOGSTER N, MAKKONEN P

Air filtration device for use in air purification system, has high efficiency particulate air (HEPA) filter media that comprises graphene oxide (GO) as antibacterial and antiviral material configured to inactivate trapped micro-organisms.

VOSKRESENSKA V, POLYAKOVA E, STOLYAROV D

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