KEY CONTROL HOLDING, INC.
18Patents
7Active
18Granted
41Portfolio score
Filing activity: Feb 20, 2002 → Dec 20, 2018 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7336174B1 | Object tracking system with automated system control and user identification | Physics | 103 | Expired |
| US7317393B2 | Object tracking method and system with object identification and verification | Physics | 73 | Expired |
| US7250865B2 | Object tracking system with non-contact object detection and identification | Physics | 60 | Expired |
| US7116228B1 | Asset management system | Physics | 32 | Expired |
| US7965190B2 | Object tracking system with automated system control and user identification | Physics | 30 | Active |
| US7109864B2 | Object carriers and lighted tags for an object control and tracking system | Physics | 29 | Expired |
| US7202785B2 | Mobile object tracking system | Physics | 25 | Expired |
| US7342494B2 | Inventoriable-object control and tracking system | Physics | 22 | Expired |
| USD522235S1 | Key fob | General | 20 | Expired |
| US7152802B2 | Storing and accessing keys | Physics | 19 | Expired |
| US7049961B2 | Key control system using separated ID and location detection mechanisms | Physics | 18 | Expired |
| US7046145B2 | Object carriers for an object control and tracking system | Physics | 17 | Expired |
| US7623032B2 | Object controlled access and inventory system | Physics | 3 | Active |
| US8393541B2 | Custom scanning device and automated car auction facility management | Physics | 2 | Active |
| US10656280B2 | Vehicle monitoring systems and methods | Electricity | 1 | Active |
| US10614649B2 | System and apparatus for storing objects | Physics | 1 | Active |
| US10198888B2 | System and apparatus for storing objects | Physics | 1 | Active |
| US8228189B2 | User-portable deployable RFID device and system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.