Assignee
NORTHERN MAGNETICS INC
US6 patents
Top patents by PatentIndex Score
US5703418ADec 30, 1997
DC cooled linear motor
NORTHERN MAGNETICS INC25 citations92
US6215260B1Apr 10, 2001
Controlling movement of linear induction motor
NORTHERN MAGNETICS INC30 citations91
US6016021AJan 18, 2000
Linear stepper motor
NORTHERN MAGNETICS INC22 citations91
US5965962AOct 12, 1999
Linear stepper motor
NORTHERN MAGNETICS INC19 citations91
US4642539AFeb 10, 1987
Torque motor with unlimited angular excursion
NORTHERN MAGNETICS INC36 citations91
US5880541AMar 9, 1999
Sensing and controlling the location of elements of a linear motor
NORTHERN MAGNETICS INC29 citations90