Daniel S. Williams
21Patents
9h-index
21Co-inventors
75Inventor score
Filing activity: Jan 23, 1995 → Apr 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7849974B2 | Method of dispatching an elevator car | Performing Operations; Transporting | 19 | Active |
| US5929399A | Automatic open loop force gain control of magnetic actuators for elevator active suspension | Performing Operations; Transporting | 18 | Expired |
| US5625176A | Crowd service enhancements with multi-deck elevators | Emerging Cross-Sectional Technologies | 17 | Expired |
| US8028806B2 | Method of dispatching an elevator car including an expected arrival time of a passenger near an elevator car | Performing Operations; Transporting | 15 | Active |
| US5594219A | Elevator position apparatus | Performing Operations; Transporting | 13 | Expired |
| US8177036B2 | Communication of elevator reassignment information in a group elevator system | Performing Operations; Transporting | 13 | Active |
| US7921968B2 | Elevator traffic control including destination grouping | Performing Operations; Transporting | 11 | Active |
| US5864102A | Dual magnet controller for an elevator active roller guide | Performing Operations; Transporting | 10 | Expired |
| US8387757B2 | Elevator car assignment control strategy with passenger group separation and future serviceability features | Performing Operations; Transporting | 9 | Active |
| US7549517B2 | Elevator car dispatching including passenger destination information and a fuzzy logic algorithm | Performing Operations; Transporting | 7 | Active |
| US5824976A | Method and apparatus for sensing fault conditions for an elevator active roller guide | Performing Operations; Transporting | 6 | Expired |
| US8662255B2 | Method and system for handling passenger requests during an elevator system modernization | Performing Operations; Transporting | 6 | Active |
| US8257007B2 | Cargo loader | Performing Operations; Transporting | 5 | Active |
| US5765663A | Methods and apparatus for preventing undue wear of elevator actuators | Performing Operations; Transporting | 4 | Expired |
| US9296588B2 | Best group selection in elevator dispatching system incorporating redirector information | Performing Operations; Transporting | 4 | Active |
| US9302885B2 | Best group selection in elevator dispatching system incorporating group score information | Performing Operations; Transporting | 4 | Active |
| US11383954B2 | Super group architecture with advanced building wide dispatching logic | Performing Operations; Transporting | 1 | Active |
| US11027943B2 | Destination dispatch sectoring | Performing Operations; Transporting | 1 | Active |
| US12084308B2 | Super group architecture with advanced building wide dispatching logic—distributed group architecture | Performing Operations; Transporting | 0 | Active |
| US11691845B2 | Destination dispatch sectoring | Performing Operations; Transporting | 0 | Active |
| US10569991B2 | Elevator control system overlay system | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.