Psion Teklogix Inc.
53Patents
37Active
53Granted
53Portfolio score
Filing activity: Aug 27, 1999 → Jan 24, 2011 · 37 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD611943S1 | Hand held computer | General | 45 | Expired |
| US7786865B2 | RFID reader and range indicating method for the RFID reader | Physics | 38 | Active |
| USD619138S1 | Hand held computer | General | 33 | Expired |
| US6922557B2 | Wireless communication system | Electricity | 30 | Expired |
| US7609175B2 | Localisation of vehicle or mobile objects based on embedded RFID tags | Fixed Constructions | 29 | Active |
| US8025236B2 | Cover for a portable device having grip portions | Electricity | 27 | Active |
| US7401162B2 | Multi-functional port | Electricity | 26 | Expired |
| US7099295B1 | Apparatus and method for bridging a wired network and wireless devices | Electricity | 25 | Expired |
| US8071878B2 | Sealing system and seal component for a display assembly of a portable device | Electricity | 23 | Active |
| USD662099S1 | Portable housing and keypad | General | 23 | Active |
| US7992787B2 | Reed switch mechanism for a portable terminal | Electricity | 23 | Active |
| US8199489B2 | Handheld terminal with individually replaceable components | Physics | 20 | Active |
| USD661306S1 | Portable housing | General | 20 | Active |
| US8169786B2 | Ruggedized housing and components for a handled device | Physics | 20 | Active |
| US7961097B2 | RFID based monitoring system and method | Physics | 20 | Active |
| USD618688S1 | Hand held computer | General | 18 | Expired |
| US7877841B2 | Removable pistol grip for a portable terminal | Human Necessities | 17 | Active |
| US7230940B2 | Wireless communication system | Electricity | 15 | Expired |
| US7307645B2 | Dimmer function for EL displays | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7050009B2 | Internal antenna | Electricity | 14 | Expired |
| US7651029B1 | Pistol grip for a portable terminal with an internal receptacle for a stylus | Emerging Cross-Sectional Technologies | 12 | Active |
| USD604303S1 | Handle | General | 12 | Expired |
| US8174384B2 | Method and system for controlling read range of a portable RFID reader | Electricity | 11 | Active |
| US7787239B2 | Housing feature for providing stability for a portable terminal | Physics | 11 | Active |
| USD633095S1 | Pistol grip for handheld computer | General | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.