E01B 29/04
Lifting or levelling of tracks
Official title: Lifting or levelling of tracks (lifting devices in general B66F)
E01B29/04 (Lifting or levelling of tracks) appears on 37 US grants and 36 published applications in this corpus.
Search patents in E01B- Granted patents
- 37
- Published applications
- 36
- Assignees
- 32
- Inventors
- 74
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 4 |
| 2025 | 4 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- On-track maintenance machine and method for operating the machine8 Sep 2026US 12,729,489 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Tool for aligning rail segments6 Jan 2026US 12,516,477 B2Caterpillar 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.
- Method and system for determining correction values for correcting the position of a track19 Aug 2025US 12,391,293 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method, apparatus and system for lifting railroad structures14 Jan 2025US 12,195,925 B2Enerpac Tool Group Corp.
- Monorail installation device1 Oct 2026US 2026/0298090 A1Sandvik Mining and Construction Oy
- Battery operated lift jack for railways26 Mar 2026US 2026/0084943 A1FTS Tools, LLC
- Device for transferring an infrastructure component pre-positioned on a ground, particularly a track support slab, into a target arrangement, combination, system, and method17 Jul 2025US 2025/0230613 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method, apparatus and system for lifting railroad structures13 Mar 2025US 2025/0084593 A1Enerpac Tool Group Corp.
- On-track maintenance machine and method for operating the machine26 Sep 2024US 2024/0318386 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
Most cited
By later US patents
- Ripping apparatus9US 4,152,991 ACaterpillar Tractor Co. · 1979
- Arrangement and method for producing a protective layer on the subgrade of a track9US 5,257,580 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1993
- Method for correcting the position of a track9US 6,260,485 B1Franz Plasser Bahnbaumaschinen · 2001
- Mobile leveling, lining and ballast packing machine7US 4,170,942 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1979
- Adzer cribber4US 4,848,426 AKershaw Manufacturing Company, Inc. · 1989