国家/地区 美国（2） 世界知识产权组织（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC C01B031/02（2）
发明人
公开年 2012（2）
申请年 2011（2） 
专利权人

Low pressure shovel for e.g. steam turbine in airplane engine, has blade root connected to shovel blade and closing shovel blade in extension that is in radial alignment regarding axis, where shovel is made of monocrystalline graphene.

HAJE D

Graphene-based steel tubes, pipes or risers used for conveying petroleum, gas and biofuels, and for use in underwater riser systems for deep water with direct application in petroleum industry, comprise aluminum, cobalt, copper and chromium.

CARVALHO A L M D, ZURBA N K, MOREIRA DE CARVALHO A L, MOREIRA D C A L