E01B 2203/08
Levelling ballast or ground beneath
E01B2203/08 (Levelling ballast or ground beneath) appears on 33 US grants and 5 published applications in this corpus.
Search patents in E01B- Granted patents
- 33
- Published applications
- 5
- Assignees
- 16
- Inventors
- 24
- Latest grant
- 1 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 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 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 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.
- Stoneblower for rail applications28 Aug 2018US 10,060,078 B2Harsco Technologies LLC
- Ballast plow7 May 2002US 6,382,329 B2
- Machine for compacting and shaping a track bed8 Feb 2000US 6,021,717 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H.
- Track ballast levelling apparatus3 Nov 2022US 2022/0349128 A1System 7 Ballast Regulator GmbH
- Road rail stoneblower27 Dec 2018US 2018/0371698 A1Harsco Technologies LLC
- Method for track renewal11 Jan 2018US 2018/0010303 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Stoneblower for rail applications6 Apr 2017US 2017/0096779 A1Harsco Technologies LLC
- Right of way grader26 Jul 2001US 2001/0009077 A1
Most cited
By later US patents
- Ballast distribution, regulation and reclaiming railroad maintenance device34US 5,284,097 ALoram Maintenance of Way, Inc. · 1994
- 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
- Mobile track leveling, lining and tamping apparatus19US 4,165,694 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1979
- Track work train19US 4,502,389 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1985