| 11795627 |
High-resilient special trackwork rail fastener |
Robert Alsop, Sheenfar S. Fong |
2023-10-24 |
| 11639584 |
Composite rail joint end post |
Arka Prabha Roy, Sidney Shue |
2023-05-02 |
| 10746777 |
Stray current sensor |
Jacob Bridges |
2020-08-18 |
| 10519610 |
Apparatus and method for rail head improvement |
William Douglass Mohr, David Workman |
2019-12-31 |
| D816548 |
Third rail bracket |
Emrecan Soylemez |
2018-05-01 |
| 9670623 |
Stray current resistant direct fixation fastener |
Robert Alsop, Pete Frye, Michael P. O'Connell |
2017-06-06 |
| 9505419 |
Signal bond plate |
— |
2016-11-29 |
| D756844 |
Curve block |
Scott Almes, Robert Alsop |
2016-05-24 |
| 9238419 |
Conductor rail |
David Mayfield |
2016-01-19 |
| 9004372 |
Dual hardness bonded direct fixation fastener |
Robert Alsop, Hakan Eksi, Michael P. O'Connell |
2015-04-14 |
| D724490 |
Third rail bracket and coverboard |
Michael P. O'Connell, Robert Alsop |
2015-03-17 |
| D702596 |
Third rail bracket |
— |
2014-04-15 |
| 8070073 |
Composite rail joint end post |
Sidney Shue |
2011-12-06 |
| D616791 |
Railroad tie hybrid extender/conductor rail support insulator |
Hakan Eksi, Robert Alsop |
2010-06-01 |