| 11795627 |
High-resilient special trackwork rail fastener |
Sheenfar S. Fong, Korhan Ciloglu |
2023-10-24 |
| 10753047 |
Direct fixation fastener |
Arka Prabha Roy, Michael P. O'Connell |
2020-08-25 |
| D828397 |
Direct fixation fastener |
Arka Prabha Roy, Michael P. O'Connell |
2018-09-11 |
| 9670623 |
Stray current resistant direct fixation fastener |
Korhan Ciloglu, Pete Frye, Michael P. O'Connell |
2017-06-06 |
| D756844 |
Curve block |
Scott Almes, Korhan Ciloglu |
2016-05-24 |
| 9004372 |
Dual hardness bonded direct fixation fastener |
Korhan Ciloglu, Hakan Eksi, Michael P. O'Connell |
2015-04-14 |
| 8985476 |
Rail cover and clip system for embedded track systems |
Michael P. O'Connell |
2015-03-24 |
| D724490 |
Third rail bracket and coverboard |
Korhan Ciloglu, Michael P. O'Connell |
2015-03-17 |
| D616791 |
Railroad tie hybrid extender/conductor rail support insulator |
Korhan Ciloglu, Hakan Eksi |
2010-06-01 |