Samuel C. Wan
24Patents
12h-index
33Co-inventors
73Inventor score
Filing activity: Nov 29, 1995 → Oct 7, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7575099B2 | Remotely resettable ropeless emergency stopping device for an elevator | Performing Operations; Transporting | 41 | Expired |
| US6161653A | Ropeless governor mechanism for an elevator car | Performing Operations; Transporting | 28 | Expired |
| US6193016A | Dual sheave rope climber using flat flexible ropes | Performing Operations; Transporting | 22 | Expired |
| US5651426A | Synchronous elevator shuttle system | Performing Operations; Transporting | 19 | Expired |
| US5758748A | Synchronized off-shaft loading of elevator cabs | Performing Operations; Transporting | 17 | Expired |
| US5924524A | Integrated, multi-level elevator shuttle | Performing Operations; Transporting | 17 | Expired |
| US5601156A | Maintaining communications and power during transfer of horizontally moveable elevator cab | Performing Operations; Transporting | 16 | Expired |
| US5819879A | Safety brake | Performing Operations; Transporting | 15 | Expired |
| US5861586A | Horizontal and vertical passenger transport | Performing Operations; Transporting | 14 | Expired |
| US5773772A | Transferring elevator cabs between non-contiguous hoistways | Performing Operations; Transporting | 13 | Expired |
| US5660249A | Elevator cabs transferred horizontally between double deck elevators | Performing Operations; Transporting | 12 | Expired |
| US5931265A | Rope climbing elevator | Performing Operations; Transporting | 12 | Expired |
| US5752585A | Elevator shuttle with auxiliary elevators at terminals | Performing Operations; Transporting | 12 | Expired |
| US5785153A | Synchronizing elevator arrival at a level of a building | Performing Operations; Transporting | 12 | Expired |
| US5799755A | Linear motor transfer of cab horizontally between elevator and bogey platforms | Electricity | 11 | Expired |
| US5823299A | Shuttle elevators feeding local elevators | Performing Operations; Transporting | 11 | Expired |
| US5771995A | Locking elevator car frame to building during loading/unloading horizontally moveable cab | Performing Operations; Transporting | 8 | Expired |
| US5655625A | Emergency elevator cab commandeering shuttle | Performing Operations; Transporting | 6 | Expired |
| US5749441A | Extra deck elevator shuttle | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5862886A | Pretorque to unload elevator car/floor locks before retraction | Performing Operations; Transporting | 4 | Expired |
| US5829553A | Fail-safe movement of elevator cabs between car frames and landings | Performing Operations; Transporting | 4 | Expired |
| US5663539A | Passenger transfer, double deck, multi-elevator shuttle system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5950769A | Bridge rails for horizontally moveable passenger or freight cab | Performing Operations; Transporting | 1 | Expired |
| US5695024A | Car operated safety gate for horizontally transferrable elevator cab | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.