E01B 2203/00
Devices for working the railway-superstructure
E01B2203/00 (Devices for working the railway-superstructure) appears on 310 US grants and 132 published applications in this corpus.
Search patents in E01B- Granted patents
- 310
- Published applications
- 132
- Assignees
- 112
- Inventors
- 279
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 14 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 4 |
| 2003 | 1 | 3 |
| 2004 | 4 | 5 |
| 2005 | 3 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 3 | 6 |
| 2017 | 0 | 12 |
| 2018 | 11 | 8 |
| 2019 | 4 | 11 |
| 2020 | 8 | 12 |
| 2021 | 8 | 18 |
| 2022 | 4 | 12 |
| 2023 | 14 | 11 |
| 2024 | 12 | 16 |
| 2025 | 13 | 7 |
| 2026 | 8 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01B 2203/12Tamping devicesIndexing code126
- E01B 2203/16Guiding or measuring meansIndexing code121
- E01B 2203/10Track-lifting or-lining devices or methodsIndexing code104
- E01B 2203/01Devices for working the railway-superstructure: with trackIndexing code51
- E01B 2203/02Removing or re-contouring ballastIndexing code43
- E01B 2203/06Placing ballastIndexing code34
- E01B 2203/08Levelling ballast or ground beneathIndexing code33
- E01B 2203/03Displacing or storing ballastIndexing code30
Recent patents
- Road-rail dual purpose quick disassembly and assembly type rail grinding maintenance robot29 Sep 2026US 12,746,634 B2Beijing Jiaotong University
- Track-tamping machine for compressing the ballast bed of a track25 Aug 2026US 12,716,177 B2
- Method and track tamping machine for tamping a track28 Jul 2026US 12,692,667 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Track maintenance machine for tamping a track30 Jun 2026US 12,668,928 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method and machine for tamping a track28 Apr 2026US 12,612,740 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Stabilizing assembly and method for stabilizing a track16 Jul 2026US 2026/0201654 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method and device for determining the longitudinal forces in track rails10 Jul 2025US 2025/0224317 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Extruded Ballast Protection for Waterproofing3 Jul 2025US 2025/0215254 A1GCP Applied Technologies Inc.
- Tamping unit for tamping sleepers of a track17 Apr 2025US 2025/0122674 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Prefabricated wire mesh assembly for ballast and method of constructing gravel-ballasted track using the same10 Apr 2025US 2025/0116071 A1Korea Railroad Research Institute
Most cited
By later US patents
- Measuring apparatus for rail head running surface irregularities86US 4,391,134 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1983
- Automated track location identification using measured track data58US 5,791,063 AEnsco, Inc. · 1998
- Mobile machine for measuring track parameters55US 4,691,565 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1987
- Apparatus for the non-contact measurement of a track gage49US 5,199,176 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1993
- Ballast distribution, regulation and reclaiming railroad maintenance device34US 5,284,097 ALoram Maintenance of Way, Inc. · 1994