B61L 25/026
Relative localisation
Official title: {Relative localisation, e.g. using odometer}
B61L25/026 (Relative localisation) appears on 242 US grants and 279 published applications in this corpus.
Search patents in B61L- Granted patents
- 242
- Published applications
- 279
- Assignees
- 143
- Inventors
- 655
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 4 |
| 2003 | 2 | 2 |
| 2004 | 4 | 10 |
| 2005 | 6 | 13 |
| 2006 | 10 | 10 |
| 2007 | 6 | 7 |
| 2008 | 4 | 5 |
| 2009 | 3 | 4 |
| 2010 | 3 | 8 |
| 2011 | 4 | 9 |
| 2012 | 8 | 5 |
| 2013 | 5 | 9 |
| 2014 | 7 | 10 |
| 2015 | 10 | 13 |
| 2016 | 18 | 13 |
| 2017 | 12 | 10 |
| 2018 | 9 | 17 |
| 2019 | 12 | 12 |
| 2020 | 7 | 21 |
| 2021 | 9 | 23 |
| 2022 | 15 | 15 |
| 2023 | 16 | 13 |
| 2024 | 13 | 20 |
| 2025 | 18 | 15 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle positioning system18 Aug 2026US 12,709,314 B2Hitachi Rail GTS Canada Inc.
- Railway communications system21 Jul 2026US 12,686,424 B2
- Method and system for three dimensional positioning in subway construction site, and medium16 Jun 2026US 12,659,908 B2China Railway Engineering Services Co., Ltd.
- Forward monitoring device and forward monitoring method2 Jun 2026US 12,643,584 B2Mitsubishi Electric Corporation
- Systems and methods for performing maintenance of an amusement park attraction system10 Mar 2026US 12,571,165 B2Universal City Studios LLC
- Rail vehicle and method for capturing a track gauge course24 Sep 2026US 2026/0285378 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Methods and systems for achieving vital ultra-wideband (uwb) based train control17 Sep 2026US 2026/0274312 A1Metrom Rail, LLC
- Method and system for monitoring a routing of guided vehicles at a node of a railway network10 Sep 2026US 2026/0264727 A1Siemens Mobility GmbH
- Siding assistance system6 Aug 2026US 2026/0225632 A1Transportation IP Holdings, LLC
- Methods and Systems for Multi-Sensor Fusion Railway Vehicle Localization14 May 2026US 2026/0131835 A1Intramotev Inc.
Most cited
By later US patents
- Rail vehicle positioning system165US 5,129,605 ARockwell International Corporation · 1992
- Accurate position-sensing and communications for guideway operated vehicles141US 6,011,508 AMagneMotion, Inc. · 2000
- Rail navigation system123US 5,740,547 AWestinghouse Air Brake Company · 1998
- Method and system for proximity detection and location determination117US 6,218,961 B1GE Harris Railway Electronics, LLC · 2001
- Method and apparatus for initializing an automated train control system109US 5,803,411 AABB Daimler-Benz Transportation (North America) Inc. · 1998