Assignee
ENERGEN INC
US6 patents
Top patents by PatentIndex Score
US7250839B2Jul 31, 2007
Magnetostrictive thin film actuator
ENERGEN INC20 citations91
US6246132B1Jun 12, 2001
Magnetostrictive actuator
ENERGEN INC37 citations90
US6886331B2May 3, 2005
Magnetohydraulic motor
ENERGEN INC17 citations83
US6451131B1Sep 17, 2002
Terbium-dysprosium-iron magnetostrictive materials and devices using these materials
ENERGEN INC10 citations71
US7179339B2Feb 20, 2007
Terbium-dysprosium-iron magnetostrictive materials and devices using these materials
ENERGEN INC2 citations60
US7352112B2Apr 1, 2008
Hybrid piezoelectric-magnetostrictive actuator
ENERGEN INC0 citations38