David Michael Callaghan
64Patents
19h-index
36Co-inventors
80Inventor score
Filing activity: Jun 4, 2002 → Dec 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9122554B2 | Pervasive service providing device-specific updates | Electricity | 191 | Active |
| US7151966B1 | System and methodology providing open interface and distributed processing in an industrial controller environment | Physics | 184 | Expired |
| US7058712B1 | System and methodology providing flexible and distributed processing in an industrial controller environment | Emerging Cross-Sectional Technologies | 146 | Expired |
| US7536548B1 | System and methodology providing multi-tier-security for network data exchange with industrial control components | Electricity | 127 | Expired |
| US8090885B2 | Automatically configuring computer devices wherein customization parameters of the computer devices are adjusted based on detected removable key-pad input devices | Physics | 112 | Active |
| US7233830B1 | Application and service management for industrial control devices | Emerging Cross-Sectional Technologies | 106 | Expired |
| US7539724B1 | Instant messaging for event notification and exchanging data in an industrial controller environment | Emerging Cross-Sectional Technologies | 91 | Expired |
| US7836168B1 | System and methodology providing flexible and distributed processing in an industrial controller environment | Emerging Cross-Sectional Technologies | 81 | Active |
| US7512906B1 | System and methodology providing adaptive interface in an industrial controller environment | Physics | 72 | Expired |
| US7203560B1 | System and methodology facilitating remote and automated maintenance procedures in an industrial controller environment | Emerging Cross-Sectional Technologies | 72 | Expired |
| US7334159B1 | Self-testing RAM system and method | Physics | 53 | Expired |
| US7693581B2 | Application and service management for industrial control devices | Emerging Cross-Sectional Technologies | 49 | Active |
| US7706895B2 | Reliable messaging instruction | Physics | 49 | Active |
| US8190888B2 | System and methodology providing multi-tier security for network data with industrial control components | Electricity | 47 | Active |
| US7467018B1 | Embedded database systems and methods in an industrial controller environment | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7565351B1 | Automation device data interface | Physics | 39 | Active |
| US8103441B2 | Caching navigation content for intermittently connected devices | Physics | 25 | Active |
| US7606890B1 | System and methodology providing namespace and protocol management in an industrial controller environment | Physics | 23 | Expired |
| US8135616B2 | Browsing and quality of service features | Physics | 20 | Active |
| US9244905B2 | Communication context based predictive-text suggestion | Physics | 16 | Active |
| US7251535B2 | Location based diagnostics method and apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7480709B2 | Dynamic browser-based industrial automation interface system and method | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7327221B1 | Power supply communication system and method | Electricity | 12 | Expired |
| US8825377B2 | Mobile navigation to a moving destination | Emerging Cross-Sectional Technologies | 12 | Active |
| US9135430B2 | Digital rights management system and method | Physics | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.