国家/地区 中国（9） 美国（4） 世界知识产权组织（3）
IPC部 F（12） B（4） H（2）
IPC大类 F16（12）
IPC小类 F16L（12） B32B（3） F17D（3）
B29C（2） F28F（2）
IPC F16L059/02（12）
发明人 RAYNEL G R J（3） VILLETTE T T（3）
公开年 2022（12）
申请年 2022（6）  2020（3）  2021（3） 
专利权人 ARAMCO SERVI.（3） SAUDI ARABIA.（3）

Prefabricated directly-buried integrated insulating pipe with anti-corrosion function, has head of screw thread rod is rotatably connected with back of movable sleeve ring through bearing and operating handle is locked and installed.

ZHOU X, ZHAO H, LIU G

Prefabricated insulating stainless steel pipe composite material steam insulating pipe, has graphene heat conducting layer set between adjacent separating reinforcing sheet, and heat tracing thin cable installed at middle position.

ZHANG X, ZHANG C

Deep ground hot water conveying pipeline for extracting hot water, comprises middle winding layer which is high heat conducting material, and outer layer pipe which is polyethylene terephthalate extruded and covered on outer surface.

HUO F, CHU Z, SONG Q, FENG J

Oil field operation heat preservation anti-freezing device based on graphene and warm air heat preservation device, has upper portion of outer circumference of air conveying pipe passes through and is fixedly connected with bottom wall of air box.

LIU D, SHI L

Active water pipe anti-freezing heat preservation device based on green photovoltaic energy supply, has storage battery, central controller, graphene insulating structure and temperature control device connected with power supply and central controller respectively.

LI H, SU C, QIN H, ZHOU G, ZHANG L

Silicon carbide/hafnium carbide nanowire modified silicon carbide coating reinforced graphene honeycomb-based nano aerogel heat-insulating and wave-absorbing composite material includes nano aerogel.

YU H, YE X

Polybutylene composite pipe used in hot spring transportation, comprises anti-corrosion outer layer, thermal insulation layer and working inner layer from outside to inside, where working inner layer is made of polybutene material and insulation layer is made of polyethylene foamed plastic.

QIN X, YI Z, WANG L, JIN J, LIANG Y

Apparatus used to install shape memory polymer based passive thermal diode, has layers comprising polyurethane layer to contact upper portion along length of pipe, polyethylene terephthalate layer, graphene layer to surround upper side of apparatus, and epoxy shell to surround graphene layer.

RAYNEL G R J, VILLETTE T T

Apparatus for improving flow in pipelines, has air gap that provides upward movement of polyethylene terephthalate (PET) layer using opposite forces of alternate sides of PET layer, and configuring graphene layer to surround shell.

RAYNEL G R J, VILLETTE T T

System for installing insulation sleeves on pipelines, has strand enclosed in external tube configured to contact and roll along insulation sleeve and to rotate relative to strand and external tubes configured to wrap insulation sleeve.

RAYNEL G R J, VILLETTE T T