Timothy A. Murphy
37Patents
13h-index
34Co-inventors
81Inventor score
Filing activity: Nov 14, 1988 → Apr 24, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5786773A | Local-area augmentation system for satellite navigation precision-approach system | Physics | 144 | Expired |
| US4882588A | Steerable beam antenna system using butler matrix | Electricity | 61 | Expired |
| US6674398B2 | Method and apparatus for providing an integrated communications, navigation and surveillance satellite system | Electricity | 36 | Expired |
| US6963304B2 | Method and apparatus for providing an integrated communications, navigation and surveillance satellite system | Electricity | 26 | Expired |
| US7373223B2 | Global navigation satellite system landing systems and methods | Physics | 23 | Expired |
| US5233358A | Antenna beam forming system | Electricity | 22 | Expired |
| US6549829B1 | Skipping filter for inertially augmented landing system | Physics | 22 | Expired |
| US5995043A | Aircraft satellite navigation precision-approach system including CDMA datalink | Physics | 20 | Expired |
| US8630756B2 | Airplane position assurance monitor | Physics | 18 | Active |
| US7414573B2 | Method and apparatus for providing an integrated communications, navigation and surveillance satellite system | Electricity | 18 | Expired |
| US8494693B2 | Vertical required navigation performance containment with radio altitude | Physics | 17 | Active |
| US5378992A | Method and apparatus for measuring the loop self impedance of shielded wiring non-intrusively utilizing the current transformer ratio of a sense current probe and the current transformer ratio of a drive current probe | Physics | 15 | Expired |
| US7362262B2 | Method and apparatus for providing an integrated communications, navigation and surveillance satellite system | Electricity | 15 | Expired |
| US10365374B2 | Device, system and methods using angle of arrival measurements for ADS-B authentication and navigation | Physics | 12 | Active |
| US9257050B2 | Airplane position assurance monitor | Physics | 12 | Active |
| US5463317A | Shield integrity monitor | Physics | 11 | Expired |
| US9476962B2 | Device, system and methods using angle of arrival measurements for ADS-B authentication and navigation | Physics | 11 | Active |
| US9159241B1 | Methods, systems, and apparatus for synthetic instrument landing system (SILS) | Emerging Cross-Sectional Technologies | 9 | Active |
| US8263919B2 | Unmanned surveillance vehicle | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7970503B2 | Method and apparatus for detecting anomalies in landing systems utilizing a global navigation satellite system | Physics | 5 | Active |
| US8342867B2 | Free floating connector engagement and retention system and method for establishing a temporary electrical connection | Electricity | 4 | Active |
| US8869671B2 | Aircraft device deployment system with spring-driven mechanical linkage | Performing Operations; Transporting | 3 | Active |
| US10451743B2 | Integrated interface architecture and control logic for enhanced emergency location functionality | Performing Operations; Transporting | 2 | Active |
| US10088574B2 | Aircraft distress tracking and interface to search and rescue system | Performing Operations; Transporting | 2 | Active |
| US10030995B2 | Controller for an aircraft tracker | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.