E01B 7/08
Other constructions of tongues
Official title: Other constructions of tongues, e.g. tilting about an axis parallel to the rail, movable tongue blocks or rails
E01B7/08 (Other constructions of tongues) appears on 13 US grants and 13 published applications in this corpus.
Search patents in E01B- Granted patents
- 13
- Published applications
- 13
- Assignees
- 11
- Inventors
- 28
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch arrangement for a track-borne vehicle3 Feb 2026US 12,540,441 B2Max Boegl Stiftung & Co. KG
- Switch point roller assembly15 Jul 2025US 12,359,377 B1voestalpine Railway Systems Nortrak LLC
- Light railway system8 Apr 2025US 12,270,158 B2Carpet Track Ltd
- Rail junction assembly4 Feb 2025US 12,215,465 B2Embedded Rail Technology Limited
- Intelligent transportation system and method19 Sep 2023US 11,760,391 B2SWIFT Rails LLC
- Switch Point Roller Assembly16 Oct 2025US 2025/0320668 A1voestalpine Railway Systems Nortrak LLC
- Intelligent transportation system and method25 Jan 2024US 2024/0025456 A1
- Switch Arrangement for a Track-Borne Vehicle26 Jan 2023US 2023/0024195 A1Max Boegl Stiftung & Co. KG
- Light Railway System6 Oct 2022US 2022/0316143 A1Carpet Track Ltd
- Intelligent transportation system and method19 Aug 2021US 2021/0253138 A1SWIFT Rails LLC
Most cited
By later US patents
- Track-switching device and method2US 8,020,493 B2Universal City Studios LLC · 2011
- Railway points, railway points operating apparatus and railway track crossing1US 10,260,202 B2Loughborough University · 2019
- Reversing device for swivelable rails or movable frogs within the crossing area of a railway switch1US 4,917,339 AVoest-Alpine Maschinenbau Gesellschaft m.b.H. · 1990
- Reversing device for movable parts within the deflection area of a railway switch1US 4,927,102 AVoest-Alpine Maschinenbau Gesellschaft m.b.H. · 1990
- Railway frog system1US 5,354,018 A1994