Assignee
LU XIAOBIN
US4 patents
Top patents by PatentIndex Score
US8689907B2Apr 8, 2014
Patterned texturing of the seal surface for a roller cone rock bit
LU XIAOBIN6 citations82
US8783385B2Jul 22, 2014
Rock bit having a mechanical seal with superior thermal performance
LU XIAOBIN5 citations71
US8418332B2Apr 16, 2013
Method of texturing a bearing surface of a roller cone rock bit
LU XIAOBIN1 citations50
US8322174B2Dec 4, 2012
Texturing of the seal surface for a roller cone rock bit
LU XIAOBIN0 citations50