E01B 27/06
Renewing or cleaning the ballast in situ, with or without concurrent work
Official title: Renewing or cleaning the ballast in situ, with or without concurrent work on the track
E01B27/06 (Renewing or cleaning the ballast in situ, with or without concurrent work) appears on 148 US grants and 54 published applications in this corpus.
Search patents in E01B- Granted patents
- 148
- Published applications
- 54
- Assignees
- 60
- Inventors
- 98
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 6 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 4 |
| 2016 | 2 | 3 |
| 2017 | 1 | 2 |
| 2018 | 4 | 3 |
| 2019 | 3 | 3 |
| 2020 | 3 | 2 |
| 2021 | 1 | 3 |
| 2022 | 0 | 3 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 6 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Route maintenance system and method4 Aug 2026US 12,698,600 B2Nordco Inc.
- Track maintenance machine and method for stabilizing a ballast bed11 Nov 2025US 12,467,210 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- System and method for subgrade stabilization of railroad bed21 Oct 2025US 12,448,738 B2Soil-Nail Holdings, LLC
- System for screening ballast with two screens29 Jul 2025US 12,371,860 B2Matisa Materiel Industriel S.A.
- Vehicle, system and method for railway track clearing4 Mar 2025US 12,241,215 B2Aitonomi AG
- System And Method For Subgrade Stabilization Of Railroad Bed22 Jan 2026US 2026/0022522 A1R&B Leasing, LLC
- Method, apparatus and system for lifting railroad structures13 Mar 2025US 2025/0084593 A1Enerpac Tool Group Corp.
- Machine with a ballast receiviing device5 Dec 2024US 2024/0401284 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method for cleaning a ballast bed of a track16 May 2024US 2024/0158993 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method, Apparatus and System for Lifting Railroad Structures19 Oct 2023US 2023/0332359 A1Enerpac Tool Group Corp.
Most cited
By later US patents
- Rail-bound transportation system for a track building machine74US 9,856,609 B2K & K Maschinenentwicklungs Ghbm & Co. KG · 2018
- Mobile arrangement and method for improving a track bed26US 4,479,439 AFranz Bahnbaumaschinen-Industriegesellschaft m.b.H · 1984
- Box car24US 4,576,538 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1986
- Method for removing ballast from railroad tracks22US 4,108,076 A1978
- Track surfacing machine21US 4,257,331 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1981