国家/地区 中国（18）
IPC部 F（18）
IPC大类 F16（18）
IPC小类 F16L（18）
IPC F16L009/14（4） C08K003/04（3） C08L023/06（3）
F16L057/02（3） F16L059/02（3） B05D007/22（2）
B05D007/24（2） B29D023/00（2） C08K003/26（2）
C08L027/06（2） F16L021/08（2） F16L023/02（2）
F16L058/04（2） F16L058/08（2）
发明人 MA Z（2） WANG Y（2） YU J（2）
ZHANG B（2） ZHANG D（2）
公开年 2023（18）
申请年 2022（16） 
专利权人

Polyethylene solid wall pipe has flocculent layer graphene and high density polyethylene layer that are provided with group of radiating holes connected with each other.

YUAN S

Stainless steel clamp check valve e.g. reflux valve, has sleeve rod whose end passes through inner part of mounting pipe and is connected with graphene block, where inside of graphene block is embedded with electric heating block.

ZHANG D, LIN S, ZHANG B

Preparing pipeline joint of loading graphene useful for hydraulic pipeline joint or fuel oil pipeline joint, involves transferring graphene film in graphene film-metal foil composite material to surface of metal pipeline joint using graphene film transfer method.

LUO G, WANG G, WANG X, LI J, ZHANG B

Cold-resistant and low-temperature resistant metal hose used in aviation, aerospace, petroleum, chemical engineering, metallurgy, electric power, paper making, wood, textile, construction, medicine, food, tobacco, and transportation.

ZHANG D, HUANG R, CHEN S

High temperature resistant insulating silica gel foam for making e.g. foam pad, has hollow embedded cavity dividing foam core into inner layer structure and outer layer structure, where inner wall of ring layer is adhered on inner structure.

CHENG X

Double-wall corrugated pipe material outer wall and inner wall, where outer wall comprises e.g. chlorinated polyvinyl chloride resin, grafted polyethylene solubilizer, light shielding agent, ultraviolet light absorber, strengthening agent graphene, lubricant, and nano calcium carbonate.

LUO Q, YE C, ZHENG S, CHEN G, ZHANG S

Expansion joint of catalytic cracking, has corrugated pipe and flange that are made of titanium material and inner wall of corrugate pipe is provided with anti-corrosion layer.

GU L, MIAO X, QIAN Y, XIA G

Aramid fiber winding composite pipeline for conveying hydrogen, has wearable layer located in inner layer of hydrogen blocking layer, where wearable layer is wearable plastic and is provided between core tube layer and outer protective layer.

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

High temperature resistant flange for connecting pipeline in valve, has L-shaped copper foil whose outer surface layer is provided with graphene heat conducting film, and ring body and top part periphery are provided with clamping groove.

NIU Z

Mortar lining material useful for ductile cast iron pipe lining for sewage, comprises high aluminum cement, granulated blast furnace slag micro powder, silicon ash, sand, water reducing agent, retarder, graphene oxide, and water.

WANG Y, MA Z, ZHAO H, WANG J