E01B 27/028
Compacting ballasting material
Official title: {Compacting ballasting material; Performing ballast cores or seats for sleepers}
E01B27/028 (Compacting ballasting material) appears on 9 US grants and 5 published applications in this corpus.
Search patents in E01B- Granted patents
- 9
- Published applications
- 5
- Assignees
- 9
- Inventors
- 8
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Railway works machine comprising a machine chassis and a works shuttle, and associated railway works convoy3 Feb 2026US 12,540,442 B2Matisa Materiel ndustriel S.A.
- Track maintenance machine for compaction of ballast25 Oct 2022US 11,479,922 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Device and method for building a new ballastway for a rail line22 Feb 2022US 11,255,054 B2Zürcher Holding GmbH
- Hybrid continuous indexing tamper vehicle11 Dec 2018US 10,151,067 B2Harsco Technologies LLC
- Method for correcting a rail track9 Jan 2018US 9,863,097 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Railway works machine comprising a machine chassis and a works shuttle, and associated railway works convoy11 May 2023US 2023/0143617 A1Matisa Materiel Industriel S.A.
- Device and Method for Building a New Ballastway for a Rail Line14 Oct 2021US 2021/0317614 A1Zürcher Holding GmbH
- Track maintenance machine for compaction of ballast20 Aug 2020US 2020/0263363 A1Plasser & Theurer Export von Bahnbaumaschinen GmbH
- Hybrid continuous indexing tamper vehicle6 Apr 2017US 2017/0096780 A1Harsco Technologies LLC
- Method for correcting a rail track30 Jun 2016US 2016/0186385 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
Most cited
By later US patents
- Ballast leveling apparatus and method18US 4,355,687 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1982
- Ballast treating apparatus17US 3,976,142 AFranz Plasser Bahnbaumaschinen-Industrie-Gesellschaft m.b.H. · 1976
- Ballast treating method16US 3,957,000 AFranz Plasser Bahnbaumaschinen-Industrie-Gesellschaft m.b.H. · 1976
- Machine for compacting and shaping a track bed4US 6,021,717 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. · 2000
- Method for correcting a rail track1US 9,863,097 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H. · 2018