国家/地区 中国（5） 美国（3） 加拿大（2） 世界知识产权组织（2）
IPC部 F（6） B（4） C（3）
IPC大类 F16（6）
IPC小类 F16L（6） B29C（2） B29D（2）
B32B（2） C08K（2） C08L（2）
IPC F16L009/147（6）
发明人
公开年 2021（3） 2022（3）
申请年 2021（6）
专利权人

Tubular composite structure for renewed pipe structure pair, comprises a sealing layer, one or more axial reinforcement layers, a hoop reinforcement layer, and a protective layer, and each tubular assembly optionally further comprising a sensor array layer.

WEISENBERG K

Automotive fluid transport tube for carrying e.g. fuel, has corrosion inhibiting intermediate layer, and outermost coating of material incorporating graphene powder.

BANERJI A, DOBLE C, IYER G, INDIA B, CORY D, AIRGANESH

Installation for distributing hydrogen to consumer of hydrogen, comprises hydrogen reservoir and hydrogen distribution pipe(s), where surface(s) of reservoir or pipe is covered with two-dimensional material mixed with polymer of polydopamine type.

FORSTER R

Strong corrosion resistance steel belt reinforced spiral corrugated pipe comprises steel belt and outer pipe and inner pipe composing bisphenol A epoxy vinyl resin, phenolic resin, polypropylene, glass fiber, and modified graphene.

PEI S, ZHOU S, XU J, XU H, CHEN X

Oxidation-resistant polyethylene composite pipe comprises core pipe that is provided with aluminum sheet layer provided with outer layer pipe, where core pipe and outer layer pipe are made of polyethylene, chlorinated polyethylene, dibutyltin dilaurate, zinc stearate, graphene, and barium laurate.

LIU J, WANG J, WANG H, WU D

Wear-resistant and corrosion-resistant pipe fitting comprises ultra-high molecular weight polyethylene, leveling agent, silicone oil, nano particles.

WANG W, LIU Z, SUN L