国家/地区 中国（3）
IPC部 F（3）
IPC大类 F24（3）
IPC小类 F24D（3）
IPC F24D013/02（3） F24D019/02（2）
发明人 ZHANG P（3）
公开年 2021（3）
申请年 2020（3） 
专利权人

Direct-heated electric heater, has binding post fixed on two sides of heat conducting substrate, and carbon fiber heating wire arranged on heat conducting substrate in parallel, where aluminum foil is pressed on carbon fiber heating wire.

SUN A, LI L, ZHANG P

Graphene heating layer structure for graphene heating device, has heat conducting layer that is non-woven fabric layer structure with smooth surfaces of flexible moisture-proof and rough surface.

GUO L, HE X, ZHANG P, SHEN W

Graphene electric heater, has rotating center set through movable placing plate and fixed placing plate, where rotating center is set on two ends of movable placing plate.

ZHANG P