2022/0250,663 | DERAILING SYSTEM | Apr 28, 22 | Aug 11, 22 | Not available |
2021/0261,175 | Universal Track Derailer Assembly | May 10, 21 | Aug 26, 21 | Not available |
2021/0061,321 | DERAILING DEVICE | Aug 29, 19 | Mar 04, 21 | Not available |
2019/0084,598 | UNIVERSAL TRACK DERAILER ASSEMBLY | Sep 14, 18 | Mar 21, 19 | Not available |
2017/0240,190 | Double Point Derail Switch | Feb 19, 16 | Aug 24, 17 | PROGRESS RAIL SERVICES CORPORATION |
2012/0097,802 | DERAIL ASSEMBLY | Oct 21, 10 | Apr 26, 12 | Western-Cullen-Hayes, Inc. |
2011/0198,448 | LINKAGE ASSEMBLY FOR OPERATIVELY CONNECTING A BLUE FLAG TO A DERAIL | Jul 28, 10 | Aug 18, 11 | Not available |
2010/0051,757 | LOW PROFILE DERAIL | Aug 25, 09 | Mar 04, 10 | Western-Cullen-Hayes, Inc. |