国家/地区 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC
发明人
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人

Graphene electric heating furnace comprises inner part provided with graphene heating sheet of box body, filter piece installed in box body comprising fixed filter piece and movable filter piece, and driving piece.

FAN Q

Assembly used in air filtration unit and automobile ventilation unit for attracting and neutralizing contaminants from air, comprises substrate, graphite solution, and ionizer to apply static charge to substrate by ionizing particles, where substrate is treated with graphite solution.

SEEGERS G N, SEEGERS W N

Demagnetizing and electromagnetic magnetic depolarizing information effect of electric and magnetic fields of air by presence of deployed metal grid inserted in air circulation by switching depolarized fields of structure in exchange on air.

JOSE B, PICCALUGA P, STEFFAN C

Wood-based solar thermal device manufacturing method, involves cutting natural wood block with microstructural internal fluidic transport network with artificial holes extending between surfaces, and forming solar absorption layer on wood surface.

HU L, ZHU M, LI Y, CHEN C, LI T, LIU H, GONG A, KUANG Y