E01B 2204/03
Injecting, mixing or spraying additives into or onto ballast or underground
E01B2204/03 (Injecting, mixing or spraying additives into or onto ballast or underground) appears on 15 US grants and 12 published applications in this corpus.
Search patents in E01B- Granted patents
- 15
- Published applications
- 12
- Assignees
- 15
- Inventors
- 37
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 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 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for applying single-component or multi-component adhesive to a ballast bed and use5 May 2026US 12,618,200 B2Hürlimann Railtec AG
- System and method for subgrade stabilization of railroad bed21 Oct 2025US 12,448,738 B2Soil-Nail Holdings, LLC
- Vacuum tube railway system31 May 2022US 11,346,059 B2Nevomo Poland Sp. Z O.O.
- System and method for sub-grade stabilization of railroad bed14 Sep 2021US 11,118,315 B2R&B Leasing, LLC
- Train rail track structure systems9 May 2017US 9,644,323 B2
- System And Method For Subgrade Stabilization Of Railroad Bed22 Jan 2026US 2026/0022522 A1R&B Leasing, LLC
- Device for discharging multi-component adhesives onto a granular mixture discharging method, and use of the device14 Mar 2024US 2024/0082864 A1Huerlimann Bautenschutz AG
- Apparatus and method for applying single-component or multi-component adhesive to a ballast bed and use8 Feb 2024US 2024/0044087 A1Hürlimann Railtec AG
- Vacuum tube railway system10 Feb 2022US 2022/0042249 A1Nevomo Poland Sp. Z O.O.
- System And Method For Subgrade Stabilization Of Railroad Bed2 Dec 2021US 2021/0372055 A1R&B Leasing, LLC
Most cited
By later US patents
- Method for restructuring railway roadbeds9US 4,451,180 A1984
- Injection materials for railroad track beds5US 4,267,085 AJapanese National Railways · 1981
- Process for hardening ballasts and other heaped structures5US 4,985,276 AMesser Griesheim GmbH · 1991
- Railroad track bed using injection materials and method therefor4US 4,156,440 AJapanese National Railways · 1979
- Fabric insertion system4US 4,440,088 AThe Black Clawson Company · 1984