E01H 8/12
Specially adapted to grooved rails, flangeways, or like parts of the permanent
Official title: specially adapted to grooved rails, flangeways, or like {parts of the permanent way, e.g. level crossings or switches}
E01H8/12 (Specially adapted to grooved rails, flangeways, or like parts of the permanent) appears on 10 US grants and 14 published applications in this corpus.
Search patents in E01H- Granted patents
- 10
- Published applications
- 14
- Assignees
- 11
- Inventors
- 28
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mobile waterjet rail repair system21 Oct 2025US 12,448,747 B2RailRestore BV, RailRestore Holding BV
- Railway weed control vehicle2 Jul 2024US 12,024,837 B2Discovery Purchaser Corporation
- Mobile waterjet rail repair system5 Mar 2024US 11,920,311 B2RailRestore BV
- Mobile waterjet rail repair system16 Nov 2021US 11,174,609 B2Hypertherm, Inc.
- System adapted for one or more electrically propellable vehicles (a snow plough arrangement)4 Nov 2014US 8,875,857 B2Elways AB
- Mobile waterjet rail repair system22 Jan 2026US 2026/0022526 A1RailRestore BV
- Railroad Sweeper Assembly9 Oct 2025US 2025/0314030 A1Genesis Rail Services II, LLC
- Mobile waterjet rail repair system14 Nov 2024US 2024/0376679 A1RailRestore BV
- Suction device for particles during machining processing of track rails9 May 2024US 2024/0150984 A1Schweerbau International GmbH & Co. KG
- Mobile Waterjet Rail Repair System27 Jan 2022US 2022/0025596 A1Hypertherm, Inc.
Most cited
By later US patents
- Method and apparatus for selectively capturing ferrous debris from a floor8US 6,464,083 B1HM Cross & Sons · 2002
- System adapted for one or more electrically propellable vehicles (a snow plough arrangement)5US 8,875,857 B2Elways AB · 2014
- Method and device for cleaning railtrack grooves4US 6,444,046 B1Florianer Bahn Forschungs-und Errichtungsgesellschaft mbH · 2002
- Mobile waterjet rail repair system1US 11,174,609 B2Hypertherm, Inc. · 2021
- System adapted for one or more electrically propellable vehicles (cleansing means)1US 8,851,252 B2Elways AB · 2014