E01B 2203/06
Placing ballast
E01B2203/06 (Placing ballast) appears on 34 US grants and 11 published applications in this corpus.
Search patents in E01B- Granted patents
- 34
- Published applications
- 11
- Assignees
- 19
- Inventors
- 33
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 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 | 2 |
| 2017 | 0 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System for screening ballast with two screens29 Jul 2025US 12,371,860 B2Matisa Materiel Industriel S.A.
- Dumping system for delivery of aggregate to a railroad track1 Oct 2024US 12,104,329 B2R & S Track Maintenance, Inc.
- Track measuring vehicle and method for recording a track geometry of a track28 Nov 2023US 11,827,254 B2Plasser & Theurer Export von Bahnbaumaschinen GmbH
- Road rail stoneblower1 Sep 2020US 10,760,221 B2Harsco Technologies LLC
- Method for track renewal20 Aug 2019US 10,385,517 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Extruded Ballast Protection for Waterproofing3 Jul 2025US 2025/0215254 A1GCP Applied Technologies Inc.
- System for screening ballast with two screens29 Dec 2022US 2022/0412016 A1Matisa Materiel Industriel S.A.
- Dumping system for delivery of aggregate to a railroad track11 Mar 2021US 2021/0071368 A1R & S Track Maintenance, Inc.
- Installation and method for cleaning ballast of a track19 Nov 2020US 2020/0362519 A1Plasser & Theurer Export von Bahnbaumaschinen GmbH
- Track measuring vehicle and method for recording a track geometry of a track14 Nov 2019US 2019/0344813 A1Plasser & Theurer Export von Bahnbaumaschinen GmbH
Most cited
By later US patents
- Mobile machine for receiving and distributing track ballast28US 5,094,018 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1992
- Track surfacing machine21US 4,257,331 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1981
- Track work train19US 4,502,389 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1985
- Ballast tamping machine with flexible ballast conveying tubes mounted on the carrier frame of the tamping heads to place ballast at tamping tools14US 5,101,733 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1992
- Mobile apparatus and method for cleaning ballast supporting a track13US 4,430,944 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1984