| 2024/0034,366 | RAILROAD CAR TRUCK DAMPER WEDGE FITTINGS | Oct 11, 23 | Feb 01, 24 | National Steel Car Limited |
| 2024/0010,246 | Railcar Truck Roller Bearing Adapter-Pad Systems | Sep 22, 23 | Jan 11, 24 | Nevis Industries LLC |
| 2023/0365,167 | Railcar Truck Roller Bearing Adapter-Pad Systems | Jan 11, 23 | Nov 16, 23 | Not available |
| 2019/0322,296 | BOGIE OF A RAIL VEHICLE WITH AT LEAST TWO WHEELSETS MOUNTED IN AXLEBOXES AND AT LEAST ONE TRANSVERSE MEMBER | Dec 07, 17 | Oct 24, 19 | CRRC QINGDAO SIFANG CO., LTD.; CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS-UND ENTWICKLUNGSZENTRUM FÜR BAHN- UND VERKEHRSTECHNIK; |
| 2018/0257,677 | RAILWAY CAR TRUCK FRICTION SHOE SPRING GROUP | Mar 08, 17 | Sep 13, 18 | AMSTED RAIL COMPANY, INC. |
| 2017/0349,189 | BOGIE FOR RAILCAR | Dec 02, 15 | Dec 07, 17 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2016/0075,352 | RAILCAR BOGIE | Apr 14, 14 | Mar 17, 16 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2015/0020,708 | RAILCAR BOGIE | Oct 06, 14 | Jan 22, 15 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2012/0037,032 | Brake beam wear liner | Aug 13, 10 | Feb 16, 12 | AMSTED RAIL COMPANY, INC. |
| 2012/0037,033 | Tapered brake beam wear liner | Aug 13, 10 | Feb 16, 12 | AMSTED RAIL COMPANY, INC. |
| 2011/0146,530 | TWO-AXLE TRUCK FOR A RAILWAY CAR AND A RAILWAY CAR | Feb 25, 11 | Jun 23, 11 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 2010/0294,164 | LOW-FLOOR RAILWAY VEHICLE BOGIE AND LOW-FLOOR RAILWAY VEHICLE COMPRISING THE BOGIE | Nov 16, 07 | Nov 25, 10 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 2010/0170,415 | Method for minimizing tread damage and profile wear of wheels of a railway vehicle | May 20, 08 | Jul 08, 10 | SIEMENS AKTIENGESELLSCHAFT |
| 2010/0139,521 | RAIL ROAD CAR TRUCK WITH ROCKING SIDEFRAME | Nov 03, 09 | Jun 10, 10 | NATIONAL STEEL CAR LIMITED |