国家/地区 中国（2）
IPC部 C（4）
IPC大类 F25（4） B01（2） C02（2）
IPC小类 F25B（4）
IPC C02F001/28（2）
发明人
公开年 2021（4）
申请年 2020（4） 
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

System used to cool object or space comprises refrigeration process loop, dehydration process loop and distillation membrane module with feed chamber and permeate chamber.

BERGIDA J R, LEAVITT D D, VANNESTE J, BUSH J A, LEAVITT D

Graphene preparation device comprises bracket, tank body, first pipeline and second pipeline, where bracket is fixedly set on ground, tank body is fixedly connected to bracket, inner part of tank body is formed with containing cavity.

WANG J

Porous material thermal distillation water purification system useful in water treatment, has compressor, condensing radiator, expansion valve and evaporative refrigeration fins that are connected end to end to form closed Carnot cycle loop.

QU L, LIAO Q, CHENG H