国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC F24D019/10（4）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Dry terrestrial heat insulation board for use in underfloor heating system, has heat-conducting insulating component mounted on aluminum alloy plate, and polystyrene resin heat insulating plate whose upper surface is coated with coating.

HUANG X, DAI C, WANG S, DING Y, GUO J

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

Safe toilet heater, has control panel whose two sides are fixedly installed with shutter, and shell whose right side bottom part is fixedly connected with temperature sensor, where bottom part of inner cavity of shell is provided with overhauling lamp.

LIU J

Modular graphene indoor electric heating device comprises an air extraction assembly that is connected with an air outlet heating assembly, and air intake joint that is installed on the outer side wall of the outer sleeve.

ZHENG Y