国家/地区 中国（7）
IPC部 F（7）
IPC大类 F16（7）
IPC小类 F16L（7）
IPC F16L058/08（7）
发明人
公开年 2022（2） 2023（2）
申请年 2022（3） 
专利权人

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

Air conditioner radiating copper pipe, has pipe body provided with heat exchange groove and surface of pipe body is provided with graphene anti-oxidant layer.

FANG Y

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

Corrosion-resistant sewage pipeline comprises pipeline main body comprising substrate layer, functional layer comprising antimony trioxide coating, polyurethane fiber layer and polyvinyl alcohol fiber layer, and anti-corrosion layer.

QIN R

Lined stainless steel joint, has anti-corrosion layer arranged with graphene epoxy zinc-rich paint layer, and zinc silicate coating layer and PTFE coating layer fixedly arranged with each other.

JIANG G

Moisture-proof device-equipped tile prefabricated insulating pipe e.g. domestic water heating pipeline installed in underground, has graphene-proof coating which is coated on outer surface of aluminum foil rubber band layer.

CHEN P