Evercom Systems, Inc.
21Patents
8Active
21Granted
41Portfolio score
Filing activity: Aug 17, 2000 → Jul 12, 2007 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7529357B1 | Inmate management and call processing systems and methods | Electricity | 186 | Active |
| US6639977B1 | System and method for reverse billing of a telephone call | Electricity | 159 | Expired |
| US7494061B2 | Systems and methods for identity verification using continuous biometric monitoring | Electricity | 131 | Active |
| US7505406B1 | Public telephone control with voice over internet protocol transmission | Electricity | 126 | Expired |
| US7079636B1 | Three-way telephone call prevention system and method | Electricity | 119 | Expired |
| US7278028B1 | Systems and methods for cross-hatching biometrics with other identifying data | Physics | 114 | Expired |
| US7042992B1 | Systems and methods for account establishment and transaction management using interrupt messaging | Electricity | 88 | Expired |
| US7496345B1 | Systems and methods for processing calls directed to telephones having a portable interface | Electricity | 87 | Expired |
| US7079637B1 | System and method for detecting unauthorized call activity | Electricity | 82 | Expired |
| US6639978B2 | Method for determining an entity responsible for billing a called party | Electricity | 69 | Expired |
| US6836540B2 | Systems and methods for offering a service to a party associated with a blocked call | Physics | 64 | Expired |
| US6636591B1 | System and method for affecting inmate conduct with good behavior discount telephone rates | Electricity | 62 | Expired |
| US7519169B1 | Systems and methods for management and dissemination of information from a controlled environment facility | Electricity | 53 | Active |
| US7698182B2 | Optimizing profitability in business transactions | Physics | 44 | Active |
| US7561680B1 | System and method for called party controlled message delivery | Electricity | 30 | Active |
| US7640190B1 | Systems and methods for transaction and information management | Physics | 26 | Active |
| US7664689B1 | Systems and methods for transaction and information management | Electricity | 24 | Active |
| US7203301B1 | System and method for call treatment | Electricity | 20 | Expired |
| US7372949B1 | System and method for call redirect detection and treatment | Electricity | 12 | Expired |
| US7492881B1 | Intelligent queuing of transaction records | Electricity | 6 | Expired |
| US7519375B2 | Information dissemination systems and methods for use in a controlled environment facility | Electricity | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.