Combitech Traffic Systems AB
7Patents
0Active
7Granted
29Portfolio score
Filing activity: Jul 17, 1997 → Jun 8, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6538580B2 | Method and device for registering the outer characteristics of a vehicle in a road toll unit | Physics | 39 | Expired |
| US6252523A | Method and a system for registering vehicle fees | Electricity | 35 | Expired |
| US5974397A | Method and device for radio communication between mutually movable objects | Physics | 12 | Expired |
| US6167345A | Method and a device for finalizing data carrying communication equipment in traffic control systems | Physics | 9 | Expired |
| US6975263B1 | Device for position determination by means of radio waves | Electricity | 5 | Expired |
| US6213396A | Method and system for data transfer | Physics | 3 | Expired |
| US6181022A | Keyboard in stationary vehicle control units | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.