Alan E. Frey
18Patents
12h-index
37Co-inventors
78Inventor score
Filing activity: Nov 3, 1983 → Feb 29, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5101451A | Real-time network routing | Electricity | 196 | Expired |
| US4577065A | Meet-me conference arrangement | Electricity | 115 | Expired |
| US6535596B1 | Call processing system utilizing subscriber services and preferences | Electricity | 98 | Expired |
| US5559877A | Automatic provisioning of trunking and routing parameters in a telecommunications network | Electricity | 87 | Expired |
| US5253288A | Alternate destination call redirection for telecommunications systems | Electricity | 86 | Expired |
| US5392344A | Communications network class-of-service routing | Electricity | 78 | Expired |
| US5940491A | Control of telecommunications networks | Electricity | 60 | Expired |
| US5848128A | Telecommunications call preservation in the presence of control failure | Electricity | 59 | Expired |
| US4704716A | Method and apparatus for establishing a wideband communication facility through a communication network having narrow bandwidth channels | Electricity | 31 | Expired |
| US4885738A | Method of and apparatus for establishing a wideband communication facility through a switched communications network having narrow bandwidth time division multiplexed channels | Electricity | 23 | Expired |
| US4727577A | Method of and apparatus for recording information on the accumulated usage of a trunk | Electricity | 20 | Expired |
| US6539090B1 | Generalized arrangement for routing telecommunications calls | Electricity | 16 | Expired |
| US6940846B1 | Method and apparatus for implementing feature assist on a telecommunication network | Electricity | 5 | Expired |
| US6847639B2 | Managing feature interaction among a plurality of independent feature servers in telecommunications servers | Electricity | 2 | Expired |
| US9037122B2 | Fixed line extension for mobile telephones | Electricity | 2 | Active |
| US8379814B2 | Linked number service | Electricity | 1 | Active |
| US9042874B2 | System and/or method for using mobile telephones as extensions | Electricity | 0 | Active |
| US8681960B2 | Extending originating capabilities of a subscriber to devices in any telephony network | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.