国家/地区 中国（3） 世界知识产权组织（2）
IPC部 C（2） H（2）
IPC大类
IPC小类
IPC
发明人 ZHANG X（5）
公开年 2022（5）
申请年 2021（5） 
专利权人 ZHANG X（5）

Small electric excavator for e.g. reclaiming land, weeding and ditching to cultivate wheat land, has motor, controller, and power supply with four graphene batteries.

ZHANG L, ZHANG X

Fuel cell e.g. proton exchange membrane (PEM) fuel cell, has gas diffusion layer (GDL) that is provided with first region and second region along thickness direction of fuel cell.

CHENG L, LI X, JOHNSTON C, CHEN B, RIKIYA Y, SHINICHI M, ZHANG X, CHRISTENSEN J

Aqueous cold porcelain functional coating useful e.g. in office building, residential building, hospital, factory and market, comprises film-forming mixture, filler mixture and auxiliary agent, where film-forming mixture comprises liquid silicon dioxide, resin, polyacrylate and propylene ester.

ZHANG X

Firearm generator with cooling device, has clapboard whose one side and inner wall of refrigerating box are staggered and fixedly installed with cold conducting sheet.

RONG W, ZHANG X, CAO K

Nanocomposite material for use in catalyzing hydrogen evolution reaction, comprises nanosheet comprising metal chalcogenide, and carbonaceous substrate supporting the nano sheet.

ZHANG X, ADAMCZYK A, SARWAR S, ALI A