| 2021/0078,622 | RAIL BUCKLE DETECTION AND RISK PREDICTION | Sep 18, 19 | Mar 18, 21 | Progress Rail Services Corporation |
| 2021/0061,322 | SYSTEMS AND METHODS FOR ANALYZING THERMAL PROPERTIES OF A RAILROAD | Nov 13, 20 | Mar 04, 21 | Not available |
| 2021/0061,321 | DERAILING DEVICE | Aug 29, 19 | Mar 04, 21 | Not available |
| 2021/0053,548 | SYSTEMS AND METHODS FOR MONITORING BRAKE SYSTEMS ON RAILWAY ASSETS | Aug 21, 20 | Feb 25, 21 | AMSTED RAIL COMPANY, INC. |
| 2021/0053,595 | Bulk Metallic Glass Load Cell | Aug 21, 20 | Feb 25, 21 | Not available |
| 2021/0039,684 | Multifunctional Track System With Independently Movable Vehicles | Feb 01, 19 | Feb 11, 21 | Not available |
| 2021/0040,851 | AIRLOCK WITH A PNEUMATIC ORIFICE FOR THE VACUUM TRAIN SYSTEM | Mar 01, 19 | Feb 11, 21 | Hyper Poland SP. Z O.O. |
| 2021/0041,232 | RAILCAR ACOUSTIC MONITORING SYSTEM AND METHOD OF USE | Oct 14, 20 | Feb 11, 21 | voestalpine SIGNALING USA Inc. |
| 2021/0026,008 | METHODS FOR FORMING 3D IMAGE DATA AND ASSOCIATED APPARATUSES | Sep 29, 20 | Jan 28, 21 | Not available |
| 2021/0024,106 | FRICTION CONTROL COMPOSITION WITH HIGH AND POSITIVE FRICTION CHARACTERISTICS | Oct 08, 20 | Jan 28, 21 | Not available |
| 2021/0024,109 | METHOD FOR COMMANDING A SET OF ONE OR MORE INTERVENTION TOOLS MOUNTED ON A RAILWAY INTERVENTION VEHICLE | Jan 31, 20 | Jan 28, 21 | Not available |
| 2021/0024,108 | METHOD FOR LOCATING POINTS OR LINES OF INTEREST ON A RAILWAY TRACK | Jan 31, 19 | Jan 28, 21 | Not available |
| 2021/0016,809 | METHOD AND APPARATUS FOR RE-RAILING RAIL CARS | Jul 17, 20 | Jan 21, 21 | EL-TRAC HOLDING LLC |
| 2020/0406,942 | Rail and Train System | Jun 26, 20 | Dec 31, 20 | Not available |
| 2020/0361,501 | A METHOD OF OPERATING A RAIL-GUIDED PERMANENT WAY MACHINE, AND A PERMANENT WAY MACHINE | Sep 04, 18 | Nov 19, 20 | Plasser & Theurer Export von Bahnbaumaschinen GmbH |
| 2020/0361,502 | RAIL VEHICLE AND METHOD FOR SURVEYING A TRACK SECTION | Jan 02, 19 | Nov 19, 20 | Not available |
| 2020/0361,499 | DEVICE AND METHOD FOR DISPENSING A FRICTION-COEFFICIENT-OPTIMIZING MIXTURE | Mar 04, 19 | Nov 19, 20 | NOWE GmbH |
| 2020/0353,960 | ELECTRONIC PROCESSING APPARATUS AND METHOD FOR MOUNTING AN ELECTRIC PROCESSING APPARATUS | Oct 30, 17 | Nov 12, 20 | Not available |
| 2020/0347,557 | METHOD FOR TRACK POSITION IMPROVEMENT BY MEANS OF A TRACK-MOVABLE TRACK-TAMPING MACHINE | Jan 17, 19 | Nov 05, 20 | Not available |
| 2020/0339,166 | CONVEYANCE ARREST SYSTEM | Apr 29, 19 | Oct 29, 20 | Not available |