| 2022/0266,877 | BOGIE FOR RAILWAY VEHICLE | Jun 19, 20 | Aug 25, 22 | Not available |
| 2021/0253,143 | SYSTEM FOR A ROCKER ASSEMBLY | Feb 18, 21 | Aug 19, 21 | Not available |
| 2020/0094,857 | LOCOMOTIVE SUSPENSION SYSTEM | Sep 20, 18 | Mar 26, 20 | Not available |
| 2020/0079,402 | RAILCAR BOGIE INCLUDING PROTECTIVE FILM AND PROTECTIVE FILM-EQUIPPED PLATE SPRING | May 01, 17 | Mar 12, 20 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2020/0047,776 | Spring Arrangement for a Rail Vehicle | Jan 16, 18 | Feb 13, 20 | Not available |
| 2019/0185,029 | FREIGHT CAR TRUCK BOLSTER | Dec 10, 18 | Jun 20, 19 | Rail 1520 IP Ltd. |
| 2019/0106,131 | RAILWAY TRUCK BOLSTER CENTER BOWL LINER | Oct 09, 17 | Apr 11, 19 | Not available |
| 2018/0290,668 | RUBBER-METAL SPRING UNIT | Jun 10, 18 | Oct 11, 18 | Not available |
| 2018/0162,421 | BOLSTER FOR A RAILWAY TRUCK AND METHOD FOR MANUFACTURING SAME | Dec 14, 16 | Jun 14, 18 | Not available |
| 2018/0141,573 | PLATE SPRING UNIT AND RAILCAR BOGIE | May 10, 16 | May 24, 18 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2017/0166,223 | RAILWAY TRUCK BOLSTER WEAR LINER | Dec 11, 15 | Jun 15, 17 | AMSTED RAIL COMPANY, INC. |
| 2017/0158,208 | RAILWAY CAR TRUCK WITH FRICTION DAMPING | Dec 03, 15 | Jun 08, 17 | AMSTED RAIL COMPANY, INC. |
| 2017/0021,843 | RAILWAY FREIGHT CAR TRUCK WITH TRANSOM | Jul 23, 15 | Jan 26, 17 | AMSTED RAIL COMPANY, INC. |
| 2016/0214,626 | BOLSTER FOR A FREIGHT WAGON TRUCK | Jan 27, 16 | Jul 28, 16 | Not available |
| 2016/0176,417 | Spring System of a Rail Vehicle | Dec 16, 15 | Jun 23, 16 | LIEBHERR-AEROSPACE LINDENBERG GMBH |
| 2015/0225,001 | CENTER PLATE FOR A RAILWAY CAR AND METHOD OF ASSEMBLING THE SAME | Feb 11, 14 | Aug 13, 15 | AMERICAN RAILCAR INDUSTRIES, INC. |
| 2015/0210,298 | RAILWAY TRUCK HAVING BOLSTER-SUSPENDED TRACTION MOTOR | Apr 08, 15 | Jul 30, 15 | Not available |
| 2015/0210,299 | Sub-frame Radial Bogie | Apr 04, 13 | Jul 30, 15 | CRRC MEISHAN CO., LTD. |
| 2012/0240,818 | SPRING ASSEMBLY FOR LEVEL CONTROL IN A VEHICLE | Sep 22, 10 | Sep 27, 12 | BOMBARDIER TRANSPORTATION GMBH |
| 2011/0315,044 | GUIDEWAY TYPE VEHICLE | Jul 28, 09 | Dec 29, 11 | MITSUBISHI HEAVY INDUSTRIES, LTD. |