Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11352032 | Universal retarder system for railway cars | James D. Braatz, William D. Straub | 2022-06-07 |
| 9587356 | Roadworthy railroad ballast tamper apparatus | — | 2017-03-07 |
| D710757 | Notched finger for use on a rail plate inserter machine | Michael Thompson, Eric Charles Ergen | 2014-08-12 |
| 8534195 | Rail plate inserter | Bill Luoma, Donald M. Treziak, Jr., Mark A. Kappel, Daniel Brook | 2013-09-17 |
| 8171855 | Rail plate inserter | Bill Luoma, Donald M. Treziak, Jr., Mark A. Kappel, Daniel Brook | 2012-05-08 |
| 7694630 | Railway maintenance vehicle with balanced bulk storage | William D. Straub, John K. Luvaas | 2010-04-13 |
| D612295 | Finger used on a rail plate inserter machine | — | 2010-03-23 |
| 7647871 | Railway anchor applicator | Robert Claas, John K. Luvaas, Leary C. Peterson, Donald M. Treziak, Jr. | 2010-01-19 |
| 6832558 | Riding rail tie plugging apparatus | Robert M. Weber, Leary C. Peterson, David Johnsen | 2004-12-21 |