Inventor
MERRISON JOHN C
US6 patents
Patents
6 patentsUS5008608AApr 16, 1991
Controller for starting and stopping electric motors
ALLEN BRADLEY CO95 citations95
US5003241AMar 26, 1991
Motor stoppage detection using back emf voltage
ALLEN BRADLEY CO44 citations92
US4996470AFeb 26, 1991
Electric motor speed control apparatus and method
ALLEN BRADLEY CO33 citations92
US4862052AAug 29, 1989
Method for stopping an electric motor
ALLEN BRADLEY CO24 citations92
US4996469AFeb 26, 1991
Electric motor controller with bypass contactor
ALLEN BRADLEY CO37 citations91
US4978897ADec 18, 1990
Motor controller with an improved stopping technique
ALLEN BRADLEY CO22 citations81