E01B 27/20
Compacting the material of the track-carrying ballastway
Official title: Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators (of trackless ballastway E01B27/02; for packing sleepers E01B27/12)
E01B27/20 (Compacting the material of the track-carrying ballastway) appears on 38 US grants and 38 published applications in this corpus.
Search patents in E01B- Granted patents
- 38
- Published applications
- 38
- Assignees
- 14
- Inventors
- 66
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 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 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 2 |
| 2018 | 3 | 3 |
| 2019 | 1 | 5 |
| 2020 | 4 | 1 |
| 2021 | 4 | 5 |
| 2022 | 0 | 3 |
| 2023 | 0 | 1 |
| 2024 | 4 | 4 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for working on a track29 Sep 2026US 12,747,542 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Machine and method for stabilising a ballast track24 Feb 2026US 12,559,889 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Track maintenance machine and method for stabilizing a ballast bed11 Nov 2025US 12,467,210 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Mechanism for reciprocal movement of stacks of sleepers, and railway vehicle comprising such a mechanism15 Apr 2025US 12,276,070 B2Matisa Materiel Industriel S.A.
- Method and device for consolidating a ballast bed14 Jan 2025US 12,195,926 B2Plasser & Theurer Export von Bahnbaumaschinen GmbH
- 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.
- Tamping unit for tamping a track10 Apr 2025US 2025/0116073 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method and rail vehicle for carrying out work on a railway track16 Jan 2025US 2025/0019908 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Vibratory tamping machine for compacting a ballast bed of a track28 Nov 2024US 2024/0392514 A1Robel Bahnbaumaschinen GmbH
Most cited
By later US patents
- Continuous action ballast compacting machine19US 5,113,767 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1992
- Track working machine for the controlled lowering of a track11US 5,172,635 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1992
- Track surfacing machine for the controlled lowering of the track11US 5,172,637 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1992
- Track maintenance machine for compacting ballast10US 5,127,333 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1992
- Ballast shoulder consolidator9US 4,489,658 A1984