B61L 23/045
Rail wear
Official title: {Rail wear}
B61L23/045 (Rail wear) appears on 125 US grants and 172 published applications in this corpus.
Search patents in B61L- Granted patents
- 125
- Published applications
- 172
- Assignees
- 80
- Inventors
- 340
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 4 |
| 2014 | 5 | 15 |
| 2015 | 7 | 3 |
| 2016 | 3 | 10 |
| 2017 | 8 | 9 |
| 2018 | 7 | 11 |
| 2019 | 11 | 10 |
| 2020 | 10 | 17 |
| 2021 | 10 | 14 |
| 2022 | 8 | 9 |
| 2023 | 5 | 15 |
| 2024 | 12 | 11 |
| 2025 | 14 | 23 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wheel-rail steel equivalent fatigue damage simulation method28 Jul 2026US 12,694,169 B2Southwest Jiaotong University
- Device and method for managing resources for monitoring elongate structures19 May 2026US 12,631,596 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Transportation operation fault detection5 May 2026US 12,617,439 B2International Electronic Machines Corp.
- Rail head abraser21 Apr 2026US 12,606,223 B2
- Rail feature identification system7 Apr 2026US 12,597,123 B2Harsco Technologies LLC
- Connector and system8 Oct 2026US 2026/0312341 A1HARTING International Innovation AG
- Method, backend cloud service, track-bound apparatus and computerized system for railway network assessment4 Jun 2026US 2026/0152215 A1Redemptor Specialsystem AB
- Points or crossing component with releasable connection and method and arrangement for monitoring the releasable connection1 Jan 2026US 2026/0001579 A1Voestalpine Railway Systems GmbH
- Apparatuses, systems, and methods for monitoring moving vehicles25 Dec 2025US 2025/0388248 A1Georgia Tech Research Corporation
- System and method for railroad track geometry measurement13 Nov 2025US 2025/0348993 A1BNSF Railway Company
Most cited
By later US patents
- Video inspection system for inspection of rail components and method thereof83US 7,755,660 B2Ensco, Inc. · 2010
- Optical rail gage/wear system68US 4,915,504 ANorfolk Southern Corporation · 1990
- System and method for inspecting railroad track67US 7,616,329 B2Georgetown Rail Equipment Company · 2009
- Geometric track and track/vehicle analyzers and methods for controlling railroad systems64US 7,164,975 B2Andian Technologies Ltd. · 2007
- High-speed railroad inspection using coordinated 3D cameras57US 9,049,433 B12015