| 9108608 |
Method for adjusting braking parameters of a train to account for train characteristic parameter variations |
Eric Dale Cutright, Chinnarao Mokkapati |
2015-08-18 |
| 9090272 |
System and method for controlling braking of a train |
William Stover Rhea, Chinnarao Mokkapati, Brian Michael Nypaver |
2015-07-28 |
| 7966126 |
Vital system for determining location and location uncertainty of a railroad vehicle with respect to a predetermined track map using a global positioning system and other diverse sensors |
Sheldon G. Willis |
2011-06-21 |
| 6439513 |
Passive detection system for levitated vehicle or levitated vehicle system |
— |
2002-08-27 |
| 5398894 |
Virtual block control system for railway vehicle |
— |
1995-03-21 |
| 4437632 |
Reset apparatus for railroad track circuits |
— |
1984-03-20 |
| 4417202 |
Vital DC source ground fault detector apparatus |
— |
1983-11-22 |
| 4392626 |
Vital protection arrangement for railroad track circuits |
— |
1983-07-12 |
| 4181278 |
Railroad interlocking signal system with insulated joint failure and overrun protection |
— |
1980-01-01 |