国家/地区 中国（6） 韩国（3）
IPC部 C（8）
IPC大类 C09（8）
IPC小类 C09D（8）
IPC C09D007/62（4） C08K003/04（3） C09D007/61（3）
C08K009/04（2） C09D001/00（2） F16L057/06（2）
发明人
公开年 2021（4） 2020（2） 2022（2）
申请年 2020（8）
专利权人

Diffuser mechanism of non-welding structure useful in seawater discharge channel comprises pipe component closely supports sleeve on spool of hull, and diffusion component supporting wing pieces inside sleeve.

SEOK N

Inner wall wear-resistant pipe material has inner wall pipe material comprising inner wall pipe main body and inner wall pipe ear-resistant coating, where inner wall pipe main body and inner wall wear-resistant pipe coating are arranged from outside to inside.

DAI L

Surface-treatment composition used for vibration damping steel sheet, comprises polymer resin and inorganic nanoparticles having preset average aspect ratio.

KIM J, LEE J, KIM Y, CHOI H, CHOI Y, KIM J T, KIM Y S, CHOI Y H, CUI H, JIN Y, LI Z

Manufacturing deck pipe clamp for gas carrier, comprises e.g. passing resin-impregnated fiber through pultrusion molding machine to form material having semi-circular cross-section and long semi-cured state and preparing blow material.

KIM Y W

Reinforced wear-resistant polyethylene water supply pipe useful for trenchless construction, comprises pipe body including a pressure-resistant layer and compatible layer and compatibility layer arranged inside the pressure-resistant layer.

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

Lubricating rust-proof pin shaft, comprises pin shaft main body located between pin shaft head and pressing cover, pin shaft head fixedly connected with pin shaft main body, and pressing cover movably connected with pin shaft main body.

SHI W, WANG W

Coating used in preventing wax formation in crude oil pipeline, comprises polymer resin, organic solvent, curing agent, silicone resin microspheres and carbon materials having graphene, graphene oxide, aminated graphene or carbon nanotubes.

YAO B, LI C, YANG F, SUN G

Graphene-based bearing bush composite coating comprises molybdenum disulfide, graphene carbon and graphene sheets.

BAO X, KE J, ZHANG G, GONG Z