Robert Penfield
60Patents
23h-index
38Co-inventors
88Inventor score
Filing activity: Apr 21, 1992 → Sep 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7376731B2 | System and method for providing statistics gathering within a packet network | Emerging Cross-Sectional Technologies | 149 | Expired |
| US10200264B2 | Link status monitoring based on packet loss detection | Electricity | 143 | Active |
| US5841854A | Wireless telephone integration system and method for call centers and workgroups | Electricity | 140 | Expired |
| US7002973B2 | System and method for assisting in controlling real-time transport protocol flow through multiple networks via use of a cluster of session routers | Electricity | 133 | Expired |
| US7133923B2 | System and method for assisting in controlling real-time transport protocol flow through multiple networks via screening | Electricity | 133 | Expired |
| US7031311B2 | System and method for providing rapid rerouting of real-time multi-media flows | Electricity | 114 | Expired |
| US7028092B2 | System and method for assisting in controlling real-time transport protocol flow through multiple networks via media flow routing | Electricity | 114 | Expired |
| US9729439B2 | Network packet flow controller | Electricity | 94 | Active |
| US6311186A | Telecommunications switching system utilizing a channelized database access mechanism | Emerging Cross-Sectional Technologies | 86 | Expired |
| US9985883B2 | Name-based routing system and method | Electricity | 78 | Active |
| US6058173A | Real-time call rating and debiting system | Electricity | 75 | Expired |
| US10277506B2 | Stateful load balancing in a stateless network | Electricity | 70 | Active |
| US7151781B2 | System and method for providing session admission control | Electricity | 70 | Expired |
| US5493607A | Multi-system network addressing | Electricity | 69 | Expired |
| US6606668B1 | System and method for least cost routing and managing multiple gatekeepers on a packet switched network | Electricity | 61 | Expired |
| US5659599A | Voice mail network and networking method | Electricity | 53 | Expired |
| US7362707B2 | System and method for determining flow quality statistics for real-time transport protocol data flows | Electricity | 41 | Expired |
| US11165863B1 | Network neighborhoods for establishing communication relationships between communication interfaces in an administrative domain | Electricity | 37 | Active |
| US6697475B1 | System and method for implementing an end office switch with enhanced functionality using an operating system independent distributed self-contained dynamic logic system | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7072303B2 | System and method for assisting in controlling real-time transport protocol flow through multiple networks | Electricity | 34 | Expired |
| US7193996B2 | System and method for determining a source of an internet protocol packet | Electricity | 33 | Expired |
| US7142532B2 | System and method for improving communication between a switched network and a packet network | Electricity | 30 | Expired |
| US6480591B1 | Real-time call rating and debiting system and method for multiple calls | Electricity | 24 | Expired |
| US10999182B2 | Routing using segment-based metrics | Electricity | 17 | Active |
| US7817541B2 | Method and system of providing redundancy in a network device | Electricity | 14 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.