Inventor
SHEPARD MARK E
US11 patents
⚠️ This page may combine multiple inventors who share the name “SHEPARD MARK E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
5 patentsUS7324360B2Jan 29, 2008
Power converter methods and apparatus for variable speed high power machines
GEN ELECTRIC21 citations90
US10356228B2Jul 16, 2019
Systems, methods, and apparatus for controlling power semiconductor devices
GEN ELECTRIC3 citations71
US9184650B2Nov 10, 2015
Systems, methods, and apparatus for controlling power semiconductor devices
GEN ELECTRIC3 citations61
US7680034B2Mar 16, 2010
Redundant control systems and methods
GEN ELECTRIC3 citations59
US7984118B2Jul 19, 2011
Persistent configuration in a multiple processor repairable system
GEN ELECTRIC0 citations35
OTIS ELEVATOR CO
3 patentsUS5635689AJun 3, 1997
Acceleration damping of elevator resonant modes and hydraulic elevator pump leakage compensation
OTIS ELEVATOR CO26 citations92
US5635688AJun 3, 1997
Start jerk reduction for an elevator
OTIS ELEVATOR CO18 citations87
US5808240ASep 15, 1998
Low-inductance planar bus arrangement
OTIS ELEVATOR CO17 citations82