Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634872 | Transparent railroad railseat assembly | Pelle Nghi Duong | 2023-04-25 |
| 11155967 | Swing turnout for railroad tracks and method for providing a turnout | — | 2021-10-26 |
| 10815623 | Apparatus and method for repairing worn rail shoulders | Scott Tripple, Todd Finley, Dillon Alves Benros | 2020-10-27 |
| 10519608 | Method and apparatus for installing a rail on a tie in a railroad system | David Tigue, Pelle Nghi Duong | 2019-12-31 |
| 10422085 | Tie plate for railroad tracks with spike protectors | — | 2019-09-24 |
| 9702091 | Railroad tie plate with integral clip retainers and method of making the same | — | 2017-07-11 |
| 9315947 | Railway rail fastening clip and insulator | Stephen John Cox, Christopher Gardner, Louis M. Notarianni | 2016-04-19 |
| 9228297 | Rail support assembly with improved shoulder | — | 2016-01-05 |
| D736609 | Clamp shoulder | — | 2015-08-18 |
| 7690584 | Fastener for supporting railroad ties | William H. Geissele | 2010-04-06 |
| 7080791 | Abrasion assembly for supporting railroad ties | William H. Geissele | 2006-07-25 |