E01B 27/025
By means of non-driven tools
Official title: {by means of non-driven tools}
E01B27/025 (By means of non-driven tools) appears on 23 US grants and 9 published applications in this corpus.
Search patents in E01B- Granted patents
- 23
- Published applications
- 9
- Assignees
- 17
- Inventors
- 33
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Auto stow wings7 Oct 2025US 12,435,474 B2Progress Rail Services Corporation
- Sweeping device for working on a track system18 Feb 2025US 12,227,903 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- System, method and appartus for in-situ, dynamic repair of a railroad1 Sep 2020US 10,760,222 B2BNSF Railway Company
- Roadworthy rail ballast regulator10 Apr 2018US 9,938,669 B2Nordco Inc.
- Segmented railway regulator blade30 Aug 2016US 9,428,866 B2Nordco Inc.
- Auto Stow Wings6 Jul 2023US 2023/0212828 A1Progress Rail Services Corporation
- Sweeping device for working on a track system2 Feb 2023US 2023/0031915 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- System, method and appartus for in-situ, dynamic repair of a railroad17 Oct 2019US 2019/0316299 A1BNSF Railway Company
- Roadworthy rail ballast regulator21 Apr 2016US 2016/0108582 A1Nordco Inc.
- Segmented railway regulator blade24 Mar 2016US 2016/0083913 A1Nordco Inc.
Most cited
By later US patents
- Tie remover and inserter19US 4,951,573 AHarsco Corporation · 1990
- Ballast regulator side plow17US 4,196,532 AMateriel Industriel S.A. · 1980
- Apparatus for removing, cleaning and replacing railroad ballast14US 4,042,035 ASociete Anonyme Secmafer · 1977
- Template door and wing assembly with break-away feature for rail ballast regulator13US 6,883,436 B2Nordco Inc. · 2005
- Track working machine for distributing and shaping the ballast of a railroad bed12US 4,249,325 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1981