RD

Roy I. Davis

Ford: 8 patents #2,217 of 17,473Top 15%
BS Ballard Power Systems: 2 patents #115 of 467Top 25%
CG Continental Automotive Gmbh: 1 patents #376 of 985Top 40%
Overall (All Time): #425,103 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7557530 Method, apparatus and article for detecting rotor position Tod R. Tesch 2009-07-07
7098569 Rotor assembly for a permanent magnet power electric machine Raymond Ong, Timothy J. Allen, Tod R. Tesch 2006-08-29
6936991 Method and apparatus for motor control Li Chen, Stephen Stella, Tod R. Tesch 2005-08-30
6714852 Observer for engine crankshaft torque Robert D. Lorenz 2004-03-30
6336070 Apparatus and method for engine crankshaft torque ripple control in a hybrid electric vehicle Robert D. Lorenz 2002-01-01
6192847 Method and apparatus for selectively controlling the speed of an engine 2001-02-27
5441298 Apparatus for stabilizing an electric active suspension system upon interruption of the power supply John Michael Miller, Richard J. Hampo 1995-08-15
5258904 Dither control method of PWM inverter to improve low level motor torque control Casilda D. de Benito, Richard J. Hampo, Prabhakar Patil 1993-11-02
5254926 Current-mode hysteresis control for controlling a motor John Michael Miller, Richard J. Hampo, John Grabowski, Paul Theodore Momcilovich 1993-10-19
5060959 Electrically powered active suspension for a vehicle Prabhakar Patil 1991-10-29
4962969 Adaptive controller for regenerative and friction braking system 1990-10-16
4855914 Computer controlled synchronous shifting of an automatic transmission Prabhakar Patil 1989-08-08