B60M 5/02
Means for reducing potential difference between rail and adjacent ground
B60M5/02 (Means for reducing potential difference between rail and adjacent ground) appears on 11 US grants and 11 published applications in this corpus.
Search patents in B60M- Granted patents
- 11
- Published applications
- 11
- Assignees
- 12
- Inventors
- 30
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Grade crossing system including grade crossing predictor in electrified propulsion territory1 Sep 2026US 12,722,676 B2Siemens Mobility GmbH
- Switching device and voltage limiting device having a switching device29 Apr 2025US 12,288,658 B2Rail Power Systems GmbH
- Voltage limiting device having a switching device22 Oct 2024US 12,125,654 B2Rail Power Systems GmbH
- Voltage limiter with overvoltage protection11 Jan 2022US 11,223,198 B2Saltek S.R.O.
- Method for transmitting traction power network data21 Sep 2021US 11,124,088 B2Nanjing Institute of Railway Technology
- Grade crossing system including grade crossing predictor in electrified propulsion territory12 Jun 2025US 2025/0187496 A1Siemens Mobility GmbH
- Stray current mitigation assemblies having a carbon conduction subassembly21 Sep 2023US 2023/0294560 A1
- Voltage limiting device having a switching device11 Aug 2022US 2022/0254592 A1Rail Power Systems GmbH
- Switching device and voltage limiting device having a switching device12 May 2022US 2022/0148837 A1Rail Power Systems GmbH
- Voltage limiter with overvoltage protection6 May 2021US 2021/0135450 A1Saltek S.R.O.
Most cited
By later US patents
- Apparatus for grounding railway contact rails22US 6,572,390 B2Tyco Electronics Corporation · 2003
- Short-circuiting device15US 6,707,171 B1Siemens Aktiengesellschaft · 2004
- Conductor line, current collector, and conductor line system2US 9,987,948 B2Conductix-Wampfler GmbH · 2018
- Protection device for a vehicle for preventing contact voltages1US 10,046,669 B2Scania CV AB · 2018
- Short-circuiting device for an electric railway system having a conductor rail for supplying power to drive the vehicles1US 7,143,954 B2Alcan Technology & Management Ltd. · 2006