Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11453981 | Rail plate retainer with stabilized gripping jaws for use with rail tie exchanger | Patrick Pritzl, Kyle M. Neubauer, Gregory J. Long, Ryan Holschbach | 2022-09-27 |
| 10081917 | Plate handling system inserting plate from gage side | Allan Irion, Philip R. Strydom, Gregory J. Long | 2018-09-25 |
| 9938669 | Roadworthy rail ballast regulator | David A. Spence, Justin J. Pipol, Michael Thompson | 2018-04-10 |
| 9212456 | Automatic rail fastener orienter | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2015-12-15 |
| D722531 | Outside bumper for a rail fastener orienter | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2015-02-17 |
| 8857344 | Automatic spike feeder system | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2014-10-14 |
| D711285 | Inside bumper for a rail fastener orienter | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2014-08-19 |
| D710755 | Rail fastener feeder chute | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2014-08-12 |
| D710756 | Rail fastener feeder basket | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2014-08-12 |
| D710754 | Rail fastener holder | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2014-08-12 |
| D710753 | Rail fastener holder | Michael Thomas Pier, Daniel Edward Van Ert, Justin J. Pipol | 2014-08-12 |
| 7001033 | Image display device | Gordon Olsen, Thomas R. Boyd | 2006-02-21 |
| 6938519 | Automatic breakout wrench with floating gripping dies | Jack W. Nelson | 2005-09-06 |
| 6446738 | Blasthole drill including an improved operator's cab | — | 2002-09-10 |
| 6321859 | Blasthole drill with bi-material roller for supporting a load | — | 2001-11-27 |
| 6254791 | Multicolored control panel | — | 2001-07-03 |
| 5339919 | Boarding ladder assembly having a variable counterweight lifting force | — | 1994-08-23 |
| 4403510 | Apparatus and method for ultrasonic inspection | Stewart deWalle, Dirk W. Hamoen | 1983-09-13 |