B61L 15/0081
On-board diagnosis or maintenance
Official title: {On-board diagnosis or maintenance}
B61L15/0081 (On-board diagnosis or maintenance) appears on 631 US grants and 801 published applications in this corpus.
Search patents in B61L- Granted patents
- 631
- Published applications
- 801
- Assignees
- 245
- Inventors
- 1,453
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 7 |
| 2003 | 6 | 9 |
| 2004 | 3 | 12 |
| 2005 | 9 | 9 |
| 2006 | 16 | 13 |
| 2007 | 6 | 6 |
| 2008 | 3 | 4 |
| 2009 | 3 | 5 |
| 2010 | 5 | 12 |
| 2011 | 2 | 9 |
| 2012 | 7 | 13 |
| 2013 | 11 | 16 |
| 2014 | 17 | 30 |
| 2015 | 25 | 25 |
| 2016 | 22 | 53 |
| 2017 | 31 | 72 |
| 2018 | 43 | 39 |
| 2019 | 47 | 57 |
| 2020 | 37 | 62 |
| 2021 | 45 | 67 |
| 2022 | 41 | 62 |
| 2023 | 42 | 64 |
| 2024 | 63 | 64 |
| 2025 | 75 | 62 |
| 2026 | 37 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Train preparation method and gateway for a train preparation method6 Oct 2026US 12,752,825 B2Siemens Mobility GmbH
- Slip/skid discrimination device, brake control system, and slip/skid discrimination method22 Sep 2026US 12,741,621 B2Mitsubishi Electric Corporation
- Sensor to sensor edge traffic inference, system and method22 Sep 2026US 12,741,683 B2Konux GmbH
- Handbrake and impact monitoring system8 Sep 2026US 12,728,900 B2TTX Company
- Method and test arrangement for testing an air-conditioning unit25 Aug 2026US 12,715,263 B2Siemens Mobility GmbH
- Method and system for cooling a traction component of a rail vehicle27 Aug 2026US 2026/0249890 A1Siemens Mobility GmbH
- Information processing device, information processing method, and recording medium27 Aug 2026US 2026/0249891 A1NEC Corporation
- Signal system switchover method, system, device and medium13 Aug 2026US 2026/0233767 A1Casco Signal Ltd.
- Systems and methods for monitoring and validating status of retarder devices13 Aug 2026US 2026/0233768 A1BNSF Railway Company
- System for determining the presence of a non-operative local control means in a convoy of vehicles, and convoy of vehicles30 Jul 2026US 2026/0217291 A1FAIVELEY TRANSPORT ITALIA S. p. A.
Most cited
By later US patents
- Automated wireless preventive maintenance monitoring system for magnetic levitation (MAGLEV) trains and other vehicles243US 5,445,347 AHughes Aircraft Company · 1995
- Fault monitoring and reporting system for trains187US 4,041,470 AIndustrial Solid State Controls, Inc. · 1977
- Remote asset monitoring system172US 5,867,801 AGeneral Railway Signal Corporation · 1999
- Radio-based electro-pneumatic control communications system125US 5,681,015 AWestinghouse Air Brake Company · 1997
- Enhanced distributed power110US 5,950,967 AWestinghouse Air Brake Company · 1999