Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233594 | Switch point guard casting, associated support and full gage switch panel containing same | — | 2019-03-19 |
| 9206556 | Elevated frog and rail crossing track assembly | Dan Voelkerding | 2015-12-08 |
| 8870129 | Flange bearing frog crossing | Daniel Voelkerding | 2014-10-28 |
| 8870128 | Flange bearing frog crossing | Daniel Voelkerding | 2014-10-28 |
| 8840035 | Movable bridge joint, associated support and rail bridge panel containing same | Karl E. Axthelm | 2014-09-23 |
| 8777121 | Lap joint | W. Thomas Urmson, Jr., John W. Mospan | 2014-07-15 |
| D707157 | Switch point guard casting | — | 2014-06-17 |
| 8720793 | Movable bridge joint guard arrangement with replaceable guard plate insert | Karl E. Axthelm, Daniel Voelkerding | 2014-05-13 |
| 8561916 | Movable bridge joint, associated support and rail bridge panel containing same | Karl E. Axthelm | 2013-10-22 |
| 8556217 | Elevated frog and rail crossing track assembly | Dan Voelkerding | 2013-10-15 |
| D686948 | Switch point guard casting and support structure | — | 2013-07-30 |
| D686947 | Switch point guard casting and support structure | — | 2013-07-30 |
| D681509 | Rail billet casting with web taper | — | 2013-05-07 |
| D681510 | Rail billet casting | — | 2013-05-07 |
| 8424813 | Elevated frog and rail track assembly | Daniel Voelkerding | 2013-04-23 |
| 8424812 | Elevated frog and rail track assembly | Daniel Voelkerding | 2013-04-23 |
| D679427 | Flange bearing frog crossing extension casting | Daniel Voelkerding | 2013-04-02 |
| D679032 | Flange bearing frog crossing intersection casting | Daniel Voelkerding | 2013-03-26 |
| 8313041 | Rail brace assembly | Karl E. Axthelm, Phillip R. Merrifield | 2012-11-20 |
| 8113441 | Lap joint | W. Thomas Urmson, Jr., John W. Mospan | 2012-02-14 |
| 7641128 | Rail brace assembly | Karl E. Axthelm, Phillip R. Merrifield | 2010-01-05 |
| 6997419 | Adjustable gage plate assembly | Joseph Martin, Karl E. Axthelm | 2006-02-14 |
| 6517008 | Boltless adjustable rail brace assembly with external vertical restraint | Karl E. Axthelm | 2003-02-11 |
| 6308897 | Lateral and vertical rail brace assembly | Daniel A. Ivanyo, Dennis Wright | 2001-10-30 |
| 5746400 | Rail crossing assembly | Kenneth L. Schultz, Russell R. Hein | 1998-05-05 |