Alexander E. Smith
45Patents
20h-index
25Co-inventors
85Inventor score
Filing activity: Dec 11, 1998 → Jul 15, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8031062B2 | Method and apparatus to improve vehicle situational awareness at intersections | Physics | 200 | Active |
| US6094169A | Multilateration auto-calibration and position error correction | Physics | 65 | Expired |
| US7423590B2 | Method and apparatus for improving ADS-B security | Physics | 63 | Active |
| US7782256B2 | Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects | Electricity | 50 | Active |
| US6992626B2 | Method and apparatus to correlate aircraft flight tracks and events with relevant airport operations information | Physics | 50 | Expired |
| US6384783B1 | Method and apparatus for correlating flight identification data with secondary surveillance | Physics | 45 | Expired |
| US7132982B2 | Method and apparatus for accurate aircraft and vehicle tracking | Physics | 42 | Expired |
| US6448929B1 | Method and apparatus for correlating flight identification data with secondary surveillance radar data | Physics | 40 | Expired |
| US6885340B2 | Correlation of flight track data with other data sources | Physics | 39 | Expired |
| US7126534B2 | Minimum safe altitude warning | Physics | 38 | Expired |
| US6633259B1 | Method and apparatus for improving utility of automatic dependent surveillance | Physics | 36 | Expired |
| US7612716B2 | Correlation of flight track data with other data sources | Physics | 34 | Active |
| US7123192B2 | Correlation of flight track data with other data sources | Physics | 33 | Expired |
| US6567043B2 | Method and apparatus for improving utility of automatic dependent surveillance | Physics | 29 | Expired |
| US6812890B2 | Voice recognition landing fee billing system | Physics | 26 | Expired |
| US7375683B2 | Use of geo-stationary satellites to augment wide— area multilateration synchronization | Physics | 25 | Expired |
| US7570214B2 | Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance | Physics | 24 | Active |
| US7889065B2 | Method and apparatus to determine vehicle intent | Physics | 24 | Active |
| US7495612B2 | Method and apparatus to improve ADS-B security | Physics | 20 | Expired |
| US7576695B2 | Multilateration enhancements for noise and operations management | Physics | 20 | Active |
| US8072382B2 | Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance | Physics | 19 | Active |
| US7248219B2 | Correlation of flight track data with other data sources | Physics | 16 | Expired |
| US7908077B2 | Land use compatibility planning software | Physics | 16 | Active |
| US6806829B2 | Method and apparatus for improving the utility of a automatic dependent surveillance | Physics | 14 | Expired |
| US7889133B2 | Multilateration enhancements for noise and operations management | Physics | 13 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.