E01B 11/00
Rail joints
Official title: Rail joints (electrical connection of the rail B60M5/00)
E01B11/00 (Rail joints) appears on 154 US grants and 113 published applications in this corpus.
Search patents in E01B- Granted patents
- 154
- Published applications
- 113
- Assignees
- 98
- Inventors
- 283
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 9 | 7 |
| 2003 | 0 | 1 |
| 2004 | 3 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 5 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 4 | 7 |
| 2011 | 4 | 2 |
| 2012 | 4 | 6 |
| 2013 | 5 | 2 |
| 2014 | 4 | 4 |
| 2015 | 2 | 2 |
| 2016 | 3 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 6 |
| 2019 | 2 | 11 |
| 2020 | 6 | 7 |
| 2021 | 7 | 7 |
| 2022 | 2 | 6 |
| 2023 | 2 | 5 |
| 2024 | 8 | 5 |
| 2025 | 3 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Welded rail29 Sep 2026US 12,747,483 B2Nippon Steel Corporation
- Expansion joint for connecting a first region and a second region of a rail system8 Sep 2026US 12,729,060 B2Autostore Technology AS
- Welded rail9 Jun 2026US 12,649,964 B2Nippon Steel Corporation
- Transition structure for bridging a structural joint26 May 2026US 12,637,814 B2Maurer Engineering Inc.
- Rail expansion device and method24 Mar 2026US 12,584,274 B2Siemens Mobility GmbH
- Manufacturing method of flash butt welded rail1 Oct 2026US 2026/0295710 A1Nippon Steel Corporation
- Zero Emission Railroad Tracks Welder17 Sep 2026US 2026/0273646 A1
- Method and device for welding components, which can be travelled upon, of a track by flash butt welding23 Jul 2026US 2026/0208283 A1Voestalpine Railway Systems GmbH
- Bonded electrically insulated joint system for railway rails, method for fabricating such, method of modifying at least one starting type switch rail and use of two switch rails modified in accordance with said modifying method2 Oct 2025US 2025/0305220 A1AB Consulting S.a.s. di Andrea Bracciali & C.
- Rail grinding machine and method thereof18 Sep 2025US 2025/0290254 A1Sperling Railway Services, Inc.
Most cited
By later US patents
- Method and system for welding railroad rails64US 6,278,074 B1Lincoln Global.Inc. · 2001
- Method and system for welding railroad rails25US 5,773,779 AThe Lincoln Electric Company · 1998
- Insulated rail joint incorporating spacer-impregnated adhesive and method for bonding insulated rail joints23US 5,503,331 APortec-RMP Division · 1996
- Rail welding apparatus incorporating rail restraining device, weld containment device and weld delivery unit23US 6,396,020 B1Holland Company · 2002
- Mobile rail welding machine22US 4,272,664 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1981