Bradley Schaefer
17Patents
7h-index
23Co-inventors
58Inventor score
Filing activity: Sep 30, 1996 → Feb 27, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6999782B2 | Method for joining dispatch calls | Electricity | 156 | Expired |
| US5924014A | Method and apparatus for adaptive routing in a satellite-based communication system | Electricity | 32 | Expired |
| US6990081B2 | Conference call bridge arrangement | Electricity | 30 | Expired |
| US6442652B1 | Load based cache control for satellite based CPUs | Physics | 26 | Expired |
| US5940508A | Method and apparatus for seamless crypto rekey system | Electricity | 14 | Expired |
| US6976081B2 | Session initiation protocol compression | Electricity | 12 | Expired |
| US7231223B2 | Push-to-talk call setup for a mobile packet data dispatch network | Electricity | 7 | Expired |
| US6639973B1 | Mobile originator call control | Electricity | 7 | Expired |
| US7054302B2 | Method and apparatus for interworking dispatch services network | Electricity | 7 | Expired |
| US6553208B1 | Methods and apparatus for using ground based processing resources to support orbiting satellites | Electricity | 6 | Expired |
| US7321768B2 | Roaming services using home location register | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7016315B2 | Token passing arrangement for a conference call bridge arrangement | Electricity | 4 | Expired |
| US7711382B2 | Method for dynamic group call | Electricity | 2 | Expired |
| US7149516B2 | User controlled home location register | Electricity | 2 | Expired |
| US7002987B2 | Common services and applications agent | Electricity | 2 | Expired |
| US6973325B2 | Temporary block flow allocation method | Electricity | 0 | Expired |
| US7742450B2 | Method for efficient bearer traffic routing in a communication system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.