Inventor
WAN SAMUEL C
US23 patents
Patents
23 patentsUS5931265AAug 3, 1999
Rope climbing elevator
OTIS ELEVATOR CO28 citations92
US5924524AJul 20, 1999
Integrated, multi-level elevator shuttle
OTIS ELEVATOR CO33 citations92
US5861586AJan 19, 1999
Horizontal and vertical passenger transport
OTIS ELEVATOR CO27 citations92
US5823299AOct 20, 1998
Shuttle elevators feeding local elevators
OTIS ELEVATOR CO30 citations92
US5785153AJul 28, 1998
Synchronizing elevator arrival at a level of a building
OTIS ELEVATOR CO27 citations92
US5773772AJun 30, 1998
Transferring elevator cabs between non-contiguous hoistways
OTIS ELEVATOR CO26 citations92
US5771995AJun 30, 1998
Locking elevator car frame to building during loading/unloading horizontally moveable cab
OTIS ELEVATOR CO20 citations92
US5758748AJun 2, 1998
Synchronized off-shaft loading of elevator cabs
OTIS ELEVATOR CO29 citations92
US5752585AMay 19, 1998
Elevator shuttle with auxiliary elevators at terminals
OTIS ELEVATOR CO22 citations92
US5660249AAug 26, 1997
Elevator cabs transferred horizontally between double deck elevators
OTIS ELEVATOR CO22 citations92
US5651426AJul 29, 1997
Synchronous elevator shuttle system
OTIS ELEVATOR CO44 citations92
US5601156AFeb 11, 1997
Maintaining communications and power during transfer of horizontally moveable elevator cab
OTIS ELEVATOR CO29 citations92
US6161653ADec 19, 2000
Ropeless governor mechanism for an elevator car
OTIS ELEVATOR CO56 citations91
US5819879AOct 13, 1998
Safety brake
OTIS ELEVATOR CO33 citations91
US6193016B1Feb 27, 2001
Dual sheave rope climber using flat flexible ropes
OTIS ELEVATOR CO39 citations89
US5799755ASep 1, 1998
Linear motor transfer of cab horizontally between elevator and bogey platforms
OTIS ELEVATOR CO29 citations88
US5862886AJan 26, 1999
Pretorque to unload elevator car/floor locks before retraction
OTIS ELEVATOR CO9 citations74
US5663539ASep 2, 1997
Passenger transfer, double deck, multi-elevator shuttle system
OTIS ELEVATOR CO7 citations74
US5829553ANov 3, 1998
Fail-safe movement of elevator cabs between car frames and landings
OTIS ELEVATOR CO10 citations73
US5749441AMay 12, 1998
Extra deck elevator shuttle
OTIS ELEVATOR CO8 citations73
US5655625AAug 12, 1997
Emergency elevator cab commandeering shuttle
OTIS ELEVATOR CO12 citations73
US5695024ADec 9, 1997
Car operated safety gate for horizontally transferrable elevator cab
OTIS ELEVATOR CO6 citations62
US5950769ASep 14, 1999
Bridge rails for horizontally moveable passenger or freight cab
OTIS ELEVATOR CO1 citations52