国家/地区
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC C02F001/28（3）
发明人
公开年 2021（2）
申请年 2020（3） 
专利权人

Water purification device used to remove water contaminants e.g. arsenic, pathogen, and bacteria, comprises housing comprising base, side walls and top wall, and first, second, third and fourth layers.

JINDAL H, SANDHU I S, CHITKARA M, PANDA S N

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

Easy processing pump unit structure has sewage filter screen that is arranged at water outlet, sewage filter screen that is arranged obliquely, and graphene oxide adsorption film that is arranged on sewage filter screen.

GAO Q