B61F 9/005
Rail vehicles characterised by means for preventing derailing: by use of non-mechanical
Official title: {by use of non-mechanical means, e.g. acoustic or electromagnetic devices}
B61F9/005 (Rail vehicles characterised by means for preventing derailing: by use of non-mechanical) appears on 34 US grants and 32 published applications in this corpus.
Search patents in B61F- Granted patents
- 34
- Published applications
- 32
- Assignees
- 33
- Inventors
- 69
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 4 |
| 2021 | 2 | 5 |
| 2022 | 2 | 3 |
| 2023 | 4 | 3 |
| 2024 | 2 | 3 |
| 2025 | 5 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for guidance control on a wheeled bogie6 Jan 2026US 12,515,717 B2Dp World Logistics US Holdings, Inc.
- Pressure sensing probe28 Oct 2025US 12,455,294 B2BNSF Railway Company
- Method and device for detecting a derailed state of a rail vehicle3 Jun 2025US 12,319,324 B2Siemens Mobility Austria GmbH
- System and method for traversing a non-moving rail switch using electromagnetic engines6 May 2025US 12,291,249 B2Hyperloop Technologies, Inc.
- System and method for rail scanning using electromagnetic engines11 Mar 2025US 12,246,762 B2Hyperloop Technologies, Inc.
- Pressure sensing probe4 Jun 2026US 2026/0153532 A1Airflow Sciences Corporation
- Derailment mitigation device using temperature26 Dec 2024US 2024/0425091 A1PB Innovations, LLC
- Derailment Mitigation Device for Railroads and Rail Tracks23 May 2024US 2024/0166248 A1PB Innovations, LLC
- Pressure sensing probe22 Feb 2024US 2024/0061007 A1Airflow Sciences Corporation
- Derailment mitigation device for railroads and rail tracks30 Nov 2023US 2023/0382439 A1PB Innovations, LLC
Most cited
By later US patents
- Method and apparatus for detecting and signalling derailment conditions in a railway vehicle16US 6,860,453 B2SKF Industrie S. p. A. · 2005
- Vehicle tilt control apparatus14US 4,440,093 AHitachi, Ltd. · 1984
- Railway vehicle derailment detection system9US 3,994,459 AM. L. Engineering (Plymouth) Limited · 1976
- Derailment detecting method and derailment detecting apparatus for rolling stock7US 6,411,870 B1Tokyu Car Corporation · 2002
- Detection of derailment by determining the rate of fall7US 7,937,192 B2Siemens AG Osterreich · 2011