Inventor
PERUGGI RICHARD E
US27 patents
⚠️ This page may combine multiple inventors who share the name “PERUGGI RICHARD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
26 patentsUS7575099B2Aug 18, 2009
Remotely resettable ropeless emergency stopping device for an elevator
OTIS ELEVATOR CO60 citations96
US5736693AApr 7, 1998
Elevator door drive using dual secondary linear induction motor
OTIS ELEVATOR CO25 citations92
US5732796AMar 31, 1998
Elevator car evacuation deterrent device
OTIS ELEVATOR CO29 citations92
US5651427AJul 29, 1997
Elevator door coupling and hold-close apparatus
OTIS ELEVATOR CO21 citations92
US5651428AJul 29, 1997
Stationary actuator moving vane elevator car door coupling
OTIS ELEVATOR CO27 citations92
US5612518AMar 18, 1997
Linear induction motor door drive assembly for elevators
OTIS ELEVATOR CO22 citations92
US5509504AApr 23, 1996
Velocity regulated, open current loop, variable voltage, variable frequency, linear induction motor drive for an elevator car door
OTIS ELEVATOR CO20 citations92
US5503248AApr 2, 1996
Maintaining open loop current drive to linear induction motor
OTIS ELEVATOR CO23 citations92
US5454447AOct 3, 1995
Elevator hoistway door bolt lock
OTIS ELEVATOR CO22 citations92
US5373120ADec 13, 1994
Linear door motor system for elevators
OTIS ELEVATOR CO52 citations92
US5487449AJan 30, 1996
Magnetic elevator door coupling
OTIS ELEVATOR CO40 citations91
US5857545AJan 12, 1999
Elevator system with overlapped roped-coupler segments
OTIS ELEVATOR CO25 citations90
US5816368AOct 6, 1998
Elevator cars switch hoistways while traveling vertically
OTIS ELEVATOR CO23 citations89
US5808246ASep 15, 1998
Triac drive for three-phase line-powered linear induction motor elevator door operator
OTIS ELEVATOR CO15 citations74
US5682023AOct 28, 1997
Time-optimal control of an AC line-driven linear motor elevator door operator
OTIS ELEVATOR CO9 citations74
US5669465ASep 23, 1997
Elevator hoistway door bolt lock
OTIS ELEVATOR CO8 citations74
US5668355ASep 16, 1997
Elevator cab door drive system
OTIS ELEVATOR CO13 citations74
US5538106AJul 23, 1996
Rotationally stiff elevator car door coupling
OTIS ELEVATOR CO18 citations74
US5495918AMar 5, 1996
Smooth and quiet linear induction motor elevator door operation
OTIS ELEVATOR CO15 citations74
US5494137AFeb 27, 1996
Elevator door mounting system
OTIS ELEVATOR CO12 citations74
US5485896AJan 23, 1996
Rotary elevator car door coupling
OTIS ELEVATOR CO9 citations74
US5435415AJul 25, 1995
Cammed wedge elevator car door coupling
OTIS ELEVATOR CO10 citations74
US6038980AMar 21, 2000
Transferring freight or passenger cabs between moving bogies
OTIS ELEVATOR CO10 citations70
US6981575B2Jan 3, 2006
Concrete rail safety device for an elevator car
OTIS ELEVATOR CO4 citations63
US6578673B2Jun 17, 2003
Concrete elevator rail and guidance system
OTIS ELEVATOR CO5 citations62
US5880414AMar 9, 1999
Elevator door brake, brake, lock, and hold-open
OTIS ELEVATOR CO6 citations62