Inventor
COLBY ROY S
US14 patents
⚠️ This page may combine multiple inventors who share the name “COLBY ROY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHNEIDER ELECTRIC USA INC
3 patentsUS7769552B2Aug 3, 2010
Method and apparatus for estimating induction motor rotor temperature
SCHNEIDER ELECTRIC USA INC25 citations92
US8373379B2Feb 12, 2013
Methods and devices for estimation of induction motor inductance parameters
SCHNEIDER ELECTRIC USA INC11 citations84
US10454390B2Oct 22, 2019
Detection of initial motor rotation in mains-fed induction motor
SCHNEIDER ELECTRIC USA INC0 citations51
OTIS ELEVATOR CO
3 patentsUS6163472ADec 19, 2000
Elevator DC motor drive with unity power factor, including regeneration
OTIS ELEVATOR CO51 citations92
US5814774ASep 29, 1998
Elevator system having a force-estimation or position-scheduled current command controller
OTIS ELEVATOR CO28 citations92
US5379864AJan 10, 1995
Magnetic system for elevator car lateral suspension
OTIS ELEVATOR CO49 citations92