国家/地区 美国（2）
IPC部 A（2） B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B03C003/41（2） B03C003/47（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