E01B 29/44
Methods for effecting joining of rails in the track
Official title: Methods for effecting joining of rails in the track, e.g. taking account of ambient temperature
E01B29/44 (Methods for effecting joining of rails in the track) appears on 22 US grants and 18 published applications in this corpus.
Search patents in E01B- Granted patents
- 22
- Published applications
- 18
- Assignees
- 21
- Inventors
- 50
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 4 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Welded rail29 Sep 2026US 12,747,483 B2Nippon Steel Corporation
- Burning apparatus for railway repair15 Jul 2025US 12,358,072 B2Goldschmidt Holding GmbH
- Method and device for laying rail for rail transit22 Apr 2025US 12,281,447 B2
- Device for welding a rail joint of a track28 Mar 2023US 11,613,853 B2Plasser & Theurer Export von Bahnbaumaschinen GmbH
- Railway rail induction-welding device6 Dec 2022US 11,519,135 B2Mirage Ltd
- Welded rail24 Apr 2025US 2025/0129460 A1Nippon Steel Corporation
- Burning apparatus for railway repair4 Jan 2024US 2024/0001482 A1Goldschmidt Holding GmbH
- Method for renewing rails of a railway track with new long rails, and associated work train14 Sep 2023US 2023/0287632 A1Matisa Materiel Industriel S.A.
- Method and device for laying rail for rail transit15 Sep 2022US 2022/0290379 A1
- Device for welding a rail joint of a track25 Jun 2020US 2020/0199825 A1Plasser & Theurer Export von Bahnbaumaschinen GmbH
Most cited
By later US patents
- Method of railroad rail repair26US 6,515,249 B1Harsco Technologies LLC · 2003
- Device and method for cooling rail weld zone13US 8,353,443 B2Nippon Steel Corporation · 2013
- Aluminothermic welding device crucible and crucible cover for use therewith10US 5,151,202 ADelachaux S. A. · 1992
- Welding device8US 6,852,940 B1Franz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 2005
- Method and machine for replacing damaged rail sections of a track8US 7,478,596 B2Franz Plasser Bahnbaumaschinen-Industriegesellschaft · 2009