国家/地区 美国（4）
IPC部 B（4） A（3）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B03C003/41（3） B03C003/47（3） B01D053/86（2）
发明人
公开年
申请年 2021（2） 
专利权人

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

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

Photocatalyst air purifier used in home appliances, has electrostatic dust collector that and includes first and second electrode devices, which has contrary electrical polarities to generate electric field and both has graphene on surfaces.

SUNG Y C, CHANG C H, SONG Y, ZHANG Z

Sorption of materials from an environment e.g. aqueous solution involves associating graphene oxides with an environment comprising the materials containing radioactive elements, chlorates, perchlorates or organohalogens.

TOUR J M, SLESAREV A, KOSYNKIN D V, ROMANCHUK A Y, KALMYKOV S N, TOUR J, KOSYNKIN D, ROMANCHUK A, KALMYKOV S