E01B 2203/12
Tamping devices
E01B2203/12 (Tamping devices) appears on 126 US grants and 60 published applications in this corpus.
Search patents in E01B- Granted patents
- 126
- Published applications
- 60
- Assignees
- 42
- Inventors
- 102
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 5 |
| 2018 | 3 | 6 |
| 2019 | 1 | 2 |
| 2020 | 4 | 7 |
| 2021 | 4 | 10 |
| 2022 | 1 | 6 |
| 2023 | 9 | 6 |
| 2024 | 7 | 6 |
| 2025 | 5 | 3 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Track-tamping machine for compressing the ballast bed of a track25 Aug 2026US 12,716,177 B2
- Method and track tamping machine for tamping a track28 Jul 2026US 12,692,667 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Track maintenance machine for tamping a track30 Jun 2026US 12,668,928 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method and machine for tamping a track28 Apr 2026US 12,612,740 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Railway works machine comprising a machine chassis and a works shuttle, and associated railway works convoy3 Feb 2026US 12,540,442 B2Matisa Materiel ndustriel S.A.
- Stabilizing assembly and method for stabilizing a track16 Jul 2026US 2026/0201654 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method and device for determining the longitudinal forces in track rails10 Jul 2025US 2025/0224317 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Tamping unit for tamping sleepers of a track17 Apr 2025US 2025/0122674 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Method for operating a tamping machine9 Jan 2025US 2025/0012017 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Vibratory tamping machine for compacting a ballast bed of a track28 Nov 2024US 2024/0392514 A1Robel Bahnbaumaschinen GmbH
Most cited
By later US patents
- Track surfacing machine21US 4,257,331 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1981
- Mobile track working machine21US 4,323,013 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1982
- Self-propelled track working machine20US 4,356,771 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1982
- 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