Liontech Trains LLC
13Patents
11Active
13Granted
46Portfolio score
Filing activity: Nov 7, 2003 → Jul 6, 2015 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8154227B1 | Model train control system | Human Necessities | 68 | Expired |
| US8030871B1 | Model train control system having realistic speed control | Human Necessities | 24 | Active |
| US8013550B1 | Model train remote control system having realistic speed and special effects control | Human Necessities | 20 | Active |
| US7458545B1 | System for sending commands to train cars based on location in train | Human Necessities | 8 | Active |
| US7926427B1 | Force sensitive coupler for trains | Human Necessities | 7 | Active |
| US8502483B2 | Model train remote control system having realistic speed and special effects control | Human Necessities | 5 | Active |
| US7880413B1 | Model railroad velocity controller | Human Necessities | 4 | Active |
| US7659834B2 | Direct wireless polling of model trains | Human Necessities | 4 | Expired |
| US7471649B1 | Model train wireless bi-directional communication protocol | Electricity | 2 | Active |
| US7437642B1 | Model train command protocol using front and back error bytes | Electricity | 2 | Active |
| US8068005B2 | Direct wireless polling of model trains | Human Necessities | 0 | Active |
| US10434429B2 | Model train control system | Human Necessities | 0 | Active |
| US7490118B1 | Expanding instruction set using alternate error byte | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.