E01B 2203/02
Removing or re-contouring ballast
E01B2203/02 (Removing or re-contouring ballast) appears on 43 US grants and 13 published applications in this corpus.
Search patents in E01B- Granted patents
- 43
- Published applications
- 13
- Assignees
- 24
- Inventors
- 38
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 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 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Ballast sweeping installation for picking up and distributing ballast located on a track4 Jun 2024US 12,000,093 B2Plasser & Theurer Export von Bahnhaumaschinen Gesellschaft m.b.H.
- Systems and methods for confining ballast samples4 Jun 2024US 12,000,762 B2BNSF Railway Company
- Systems and methods for confining ballast samples14 Dec 2021US 11,199,478 B2BNSF Railway Company
- Method for track renewal20 Aug 2019US 10,385,517 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Machine for renewal of sleepers and ballast under raised railway track17 Apr 2018US 9,945,079 B2MATIS Material Industrial SA
- Machine with a ballast receiviing device5 Dec 2024US 2024/0401284 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Link for an excavating chain and associated excavating chain3 Aug 2023US 2023/0243108 A1Matisa Materiel Industriel S.A.
- Track ballast levelling apparatus3 Nov 2022US 2022/0349128 A1System 7 Ballast Regulator GmbH
- Systems and methods for confining ballast samples17 Mar 2022US 2022/0082475 A1BNSF Railway Company
- Systems and methods for confining ballast samples25 Mar 2021US 2021/0088419 A1BNSF Railway Company
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
- 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