Christopher W. Fox
16Patents
12h-index
13Co-inventors
75Inventor score
Filing activity: May 15, 1992 → Dec 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6105013A | Method, apparatus, system and firmware for secure transactions | Electricity | 439 | Expired |
| US5387993A | Method for receiving and transmitting optical data and control information to and from remotely located receivers and transmitters in an optical locator system | Physics | 394 | Expired |
| US5572195A | Sensory and control system for local area networks | Electricity | 190 | Expired |
| US5748740A | Method, apparatus, system and firmware for secure transactions | Electricity | 173 | Expired |
| US6237095A | Apparatus for transfer of secure information between a data carrying module and an electronic device | Electricity | 146 | Expired |
| US5805702A | Method, apparatus, and system for transferring units of value | Electricity | 121 | Expired |
| US5850450A | Method and apparatus for encryption key creation | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5742238A | System for communication between a central controller and items in a factory using infrared light | Emerging Cross-Sectional Technologies | 75 | Expired |
| US5355222A | Optical receiver for area location system | Physics | 68 | Expired |
| US8716882B2 | Powerline communicated load control | Electricity | 47 | Active |
| USRE36530E | Method for receiving and transmitting optical data and control information to and from remotely located receivers and transmitters in an optical locator system | General | 30 | Expired |
| US7669054B2 | Legacy access control security system modernization apparatus | Electricity | 16 | Active |
| US9544017B2 | Powerline communicated load control | Electricity | 3 | Active |
| US6881910B2 | Security device for electrical cords | Electricity | 2 | Expired |
| US12058104B2 | Remote controller source address verification and retention for access devices | Electricity | 0 | Active |
| US11552928B2 | Remote controller source address verification and retention for access devices | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.