AT COMM CORPORATION
14Patents
2Active
14Granted
37Portfolio score
Filing activity: May 17, 1990 → Oct 24, 2014 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5347274A | Hazardous waste transport management system | Physics | 278 | Expired |
| US5289183A | Traffic monitoring and management method and apparatus | Physics | 243 | Expired |
| US5351187A | Automatic debiting parking meter system | Physics | 216 | Expired |
| US5805082A | Electronic vehicle toll collection system and method | Physics | 159 | Expired |
| US5751973A | Electronic parking and dispatching management method and apparatus | Physics | 140 | Expired |
| US5253162A | Shielding field method and apparatus | Physics | 98 | Expired |
| US5406275A | Object location process and apparatus | Physics | 56 | Expired |
| US6185415A | Call security system | Electricity | 24 | Expired |
| US7095759B1 | Combined telephone PBX and computer data router with pooled resources | Electricity | 18 | Expired |
| US6320944A | Intelligent configuration server | Electricity | 15 | Expired |
| US6505039B1 | Call security system which detects fraud by examination of call history | Electricity | 13 | Expired |
| US6356559B1 | Combined synchronous and asynchronous message transmission | Electricity | 9 | Expired |
| US8054958B2 | Universal SMDR buffer | Electricity | 0 | Active |
| US9332130B2 | Universal SMDR buffer | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.