B61K 9/10
For detecting cracks in rails or welds thereof
Official title: for detecting cracks in rails or welds thereof
B61K9/10 (For detecting cracks in rails or welds thereof) appears on 99 US grants and 107 published applications in this corpus.
Search patents in B61K- Granted patents
- 99
- Published applications
- 107
- Assignees
- 60
- Inventors
- 237
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 4 |
| 2002 | 2 | 4 |
| 2003 | 6 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 3 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 3 | 6 |
| 2014 | 4 | 4 |
| 2015 | 3 | 5 |
| 2016 | 3 | 4 |
| 2017 | 6 | 6 |
| 2018 | 4 | 6 |
| 2019 | 3 | 9 |
| 2020 | 10 | 12 |
| 2021 | 9 | 10 |
| 2022 | 9 | 5 |
| 2023 | 2 | 7 |
| 2024 | 5 | 7 |
| 2025 | 5 | 2 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Traveling rail detection system with a multi-axis adjustment of detection device29 Sep 2026US 12,746,955 B2Shanghai Oriental Machine Vision & Inspection Technology Co., Ltd
- System and method for identifying a compromised or damaged section of a conductive body extending along a route23 Jun 2026US 12,662,174 B2Transportation IP Holdings, LLC
- Device for detection of defects in welded rail joints9 Jun 2026US 12,649,502 B1Pulsar Fzc
- Beam measuring device9 Jun 2026US 12,650,360 B2Innova Transportation, LLC
- Device and method for managing resources for monitoring elongate structures19 May 2026US 12,631,596 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Movable Apparatus for Track Structure Disease Recognition18 Jun 2026US 2026/0167116 A1Beijing Jiaotong University
- Controlled Impact Test Wheel3 Jul 2025US 2025/0216283 A1Transportation Technology Center, Inc. d/b/a MxV Rail
- Rail diagnostic inspection apparatus15 May 2025US 2025/0155383 A1Tesmec S.P.A.
- Device and method for performing non-destructive control of a rail26 Dec 2024US 2024/0426791 A1Pcm Srl Socio Unico
- Device for performing non-destructive control of a rail19 Dec 2024US 2024/0418679 A1Pcm Srl Socio Unico
Most cited
By later US patents
- Automated track inspection vehicle and method122US 6,064,428 ANational Railroad Passenger Corporation · 2000
- Method, transducer wheel and flaw detection system for ultrasonic detecting railroad rails74US 6,604,421 B12003
- Hi-rail vehicle-based rail inspection system68US 6,600,999 B2Sperry Rail, Inc. · 2003
- Automated track inspection vehicle and method64US 6,356,299 B1National Railroad Passenger Corporation · 2002
- High-speed railroad inspection using coordinated 3D cameras57US 9,049,433 B12015