国家/地区 中国（8） 加拿大（2） 美国（2） 世界知识产权组织（2）
IPC部 B（10）
IPC大类 B29（10）
IPC小类 F16L（10） B29C（6） C08L（5）
B29D（4） C08K（4） B29L（3）
B32B（2） C09D（2） D01F（2）
IPC F16L009/14（10）
发明人 HUANG Y（2） WANG Y（2）
公开年 2018（4） 2021（2） 2022（2）
申请年 2022（3）  2017（2）  2018（2） 
专利权人

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z

Electric melting pipe fitting for high voltage composite pipeline, comprises outer protective layer from inside to outside, where material of hydrogen blocking layer is polyamide resin composition, where polyamide resin composition contains polyamide resin, and particulate inorganic compound.

MA Z, WANG Y, ZHAO M, YU J, LI Y, TANG Z

Modified polyethylene wearable composite pipe for water supply and drainage of municipal and building, has glass fiber line that is provided with multiple layers on outer layer pipe structure, inner tube body and outer layer pipe body fixedly connected with the inner layer pipe body.

LIN J

Continuous carbon fiber winding composite reinforced polyethylene gas pipe comprises polyethylene gas pipe component comprising pressure-resistant layer containing graphene functional masterbatch and inner lining layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W

Fiber reinforced polymer composite pipe comprises second material arranged at non-linear portion and extending discontinuously between first end and second end, and first material extends continuously from first to second end.

BERNARD J, LIDDEL P D, PETHICK J

Polypropylene random copolymer (PPR) pipe has intermediate layer that is provided between protective layer and core layer, intermediate layer whose inner surface is provided with groove which is provided with graphene modifier.

QI J, HU L, WANG Y, SUN L, XUE G, KE H

Silver ion-graphene CIPP lining constructing method, involves cutting ends of lining hose after performing port cutting processing, performing rough processing, and detecting silver ion graphene content by processing tube for checking.

LIANG S, SITU R, YU L

Corrosion resistance graphene oil delivery pipe, has butyl rubber layer is fixed to metal net, where buffer rubber block is fixed between butyl rubber layer and metal net, and outer wall coating of metal net layer is fixed to graphene layer.

HUANG Y, BIAN D, WANG J, ZHANG X, SHEN H

Graphene-based inorganic fiber pipeline comprises inner lining layer, fiber reinforcement layer and outer protective layer, where inner lining layer and outer protective layer are made of high-temperature-resistant adhesive material.

HUANG Y, HUANG Z

High pressure gas hose has an outer tube that is formed of polytetrafluoroethylene, and inner tube that is formed of matrix of polytetrafluoroethylene and graphene nano-platelets, where matrix is defined continuously through inner tube wall.

ROOKE G P, FONFARA M