Inventor
SANSEVERO FRANK
US21 patents
⚠️ This page may combine multiple inventors who share the name “SANSEVERO FRANK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
19 patentsUS7650966B2Jan 26, 2010
Elevator system including multiple cars in a hoistway, destination entry control and parking positions
OTIS ELEVATOR CO42 citations92
US6450316B1Sep 17, 2002
Escalator with step flange
OTIS ELEVATOR CO36 citations92
US6354404B1Mar 12, 2002
Rotatable elevator system
OTIS ELEVATOR CO37 citations90
US7819228B2Oct 26, 2010
Collison prevention in hoistway with two elevator cars
OTIS ELEVATOR CO31 citations89
US6640957B2Nov 4, 2003
Racetrack style passenger conveyor
OTIS ELEVATOR CO24 citations88
US7917341B2Mar 29, 2011
Elevator system including multiple cars in a hoistway destination entry control and parking positions
OTIS ELEVATOR CO13 citations84
US7650967B2Jan 26, 2010
Communicating to elevator passengers re car movement to pit or overhead
OTIS ELEVATOR CO10 citations82
US7249667B2Jul 31, 2007
Traffic flow indicator for a passenger conveyor
OTIS ELEVATOR CO13 citations82
US7841452B2Nov 30, 2010
Conveyor passenger interface system
OTIS ELEVATOR CO8 citations80
US7497315B2Mar 3, 2009
Escalator drive system failure detection and brake activation
OTIS ELEVATOR CO10 citations78
US6481535B1Nov 19, 2002
Dispatching algorithm for piston-type passenger conveying system
OTIS ELEVATOR CO9 citations74
US6520295B1Feb 18, 2003
Piston-type passenger conveying system
OTIS ELEVATOR CO9 citations72
US5020654AJun 4, 1991
Curved escalator step chain turnaround zone
OTIS ELEVATOR CO12 citations72
US5050721ASep 24, 1991
Step riser profile for curved escalator
OTIS ELEVATOR CO11 citations68
US5062520ANov 5, 1991
Self adjustable handrail drive with separate drive chains
OTIS ELEVATOR CO2 citations63
USD490956SJun 1, 2004
Escalator decking
OTIS ELEVATOR CO2 citations62
USD475831SJun 10, 2003
Escalator handrail entry
OTIS ELEVATOR CO2 citations60
US7353931B2Apr 8, 2008
Comb plate for passenger conveyor with moving flange
OTIS ELEVATOR CO2 citations54
US4984671AJan 15, 1991
Balustrade radius development for curved escalator
OTIS ELEVATOR CO0 citations42