国家/地区 美国（3）
IPC部 B（3）
IPC大类 B32（3） F16（3） F17（2）
F28（2）
IPC小类 B32B（3）
IPC B32B001/08（3）
发明人 RAYNEL G R J（3） VILLETTE T T（3）
公开年 2022（3）
申请年 2020（3） 
专利权人 ARAMCO SERVI.（3） SAUDI ARABIA.（3）

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