国家/地区 中国（6）
IPC部 F（6）
IPC大类 F26（6）
IPC小类 F26B（6）
IPC F26B025/18（6）
发明人
公开年 2020（6）
申请年 2019（3）  2020（3） 
专利权人

Chopping board frame, has main body provided with manual switch, micro-switch and graphene electric heating film, where micro-switch is located at bottom part of containing part when chopping block is taken off.

HONG S

Graphene electric heating film oven, has box body provided with graphene electric heating film that is located on path of air convection, where positive and negative electrodes of film are connected to power supply line in electric control cabinet.

ZHANG L

Freeze dryer for preparing graphene oxide powder, has annular block whose one side is provided with bolt whose outer side wall and inner side wall of annular block are detachably connected by screw thread.

XU Y, JIANG Y, SUN J

Tray for drying graphene, has bottom plate packaged at bottom end of four side plates, and right side plate whose top end is located at outer side of bottom end, where left side plate, front side plate and rear side plate are arranged vertically.

WANG X

Drying device for graphene heating chip production, has fixing rod whose outer side is covered with inner cushion layer whose outer side is covered with heating resistor ring, where outer surface of heating resistor ring is coated with outer covering film.

ZHENG Y

Heating device for preparing graphene fiber oriented heat conducting sheet, has top plate that is set on middle shaft through second through hole and is located on tray, and pressing block that is placed on top plate.

GUO Z, HUANG G, CHEN W, YANG L