Spectrum Tracking Systems, Inc.
16Patents
8Active
16Granted
42Portfolio score
Filing activity: Aug 12, 1997 → Mar 19, 2013 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7486185B2 | Method and system for providing tracking services to locate an asset | Physics | 254 | Active |
| US7138914B2 | Method and system for providing tracking services to locate an asset | Electricity | 64 | Expired |
| US7283046B2 | Method and system for providing tracking services to locate an asset | Physics | 31 | Expired |
| US7292159B2 | Method and system for providing tracking services to locate an asset | Physics | 23 | Expired |
| US6459704B1 | Method and system for radio-location determination | Electricity | 23 | Expired |
| US7135967B2 | Method for locating an asset | Physics | 13 | Expired |
| US8487757B2 | Method and system for providing tracking services to locate an asset | Physics | 13 | Active |
| US7375654B2 | Method and system for providing tracking services to locate an asset | Physics | 13 | Expired |
| US7750801B2 | Method and system for providing tracking services to locate an asset | Physics | 9 | Active |
| US7944350B2 | Method and system for providing tracking services to locate an asset | Physics | 8 | Active |
| US7283047B2 | Method and system for providing tracking services to locate an asset | Physics | 5 | Expired |
| US7151446B2 | System for tracking and locating an object using a cellular network | Physics | 4 | Expired |
| US8299914B2 | Method and system for providing tracking services to locate an asset | Physics | 4 | Active |
| US8049617B2 | Method and system for providing tracking services to locate an asset | Physics | 3 | Active |
| US7561182B2 | Fraud identification and recovery system | Electricity | 2 | Active |
| US9000915B2 | Method and system for providing tracking services to locate an asset | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.