E01B 2204/00
Characteristics of the track and its foundations
E01B2204/00 (Characteristics of the track and its foundations) appears on 158 US grants and 96 published applications in this corpus.
Search patents in E01B- Granted patents
- 158
- Published applications
- 96
- Assignees
- 109
- Inventors
- 318
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 1 |
| 2003 | 3 | 6 |
| 2004 | 3 | 10 |
| 2005 | 2 | 1 |
| 2006 | 4 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 5 |
| 2017 | 2 | 5 |
| 2018 | 3 | 5 |
| 2019 | 8 | 12 |
| 2020 | 3 | 6 |
| 2021 | 8 | 8 |
| 2022 | 7 | 5 |
| 2023 | 3 | 6 |
| 2024 | 3 | 4 |
| 2025 | 5 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01B 2204/01Elastic layers other than rail-padsIndexing code54
- E01B 2204/11Embedded tracks, using prefab elements or injecting or pouring a curable materialIndexing code28
- E01B 2204/06Height or lateral adjustment means or positioning means for slabs, sleepers orIndexing code21
- E01B 2204/09Ballastless systemsIndexing code17
- E01B 2204/07DrainageIndexing code16
- E01B 2204/15Layout or geometry of the trackIndexing code16
- E01B 2204/03Injecting, mixing or spraying additives into or onto ballast or undergroundIndexing code15
- E01B 2204/05Use of geotextilesIndexing code13
All 16 subgroupsShow fewer
- E01B 2204/08Deep or vertical foundationIndexing code8
- E01B 2204/10Making longitudinal or transverse sleepers or slabs in situ or embedding themIndexing code5
- E01B 2204/12Floating rails or sleepersIndexing code5
- E01B 2204/13Dowels for slabs, sleepers or rail-fixingsIndexing code5
- E01B 2204/02Ballast bagsIndexing code3
- E01B 2204/04Direct mechanical or chemical fixing of sleepers onto undergroundIndexing code1
- E01B 2204/14Vegetation on or around railway-tracksIndexing code0
- E01B 2204/16Specific granulometry of the ballastIndexing code0
Recent patents
- Nonwoven fabric-integrated sleeper pad using rubber pad embedded with stiffener and methods of manufacturing and constructing the same22 Sep 2026US 12,742,294 B2Korea Railroad Research Institute
- System and method for waterproofing railway structures22 Sep 2026US 12,742,295 B2Freedom Chemical Corporation
- 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
- Track beam and track beam assembly14 Apr 2026US 12,601,119 B2BYD Company Limited
- System and method for subgrade stabilization of railroad bed21 Oct 2025US 12,448,738 B2Soil-Nail Holdings, LLC
- Under sleeper pad16 Jul 2026US 2026/0201653 A1Getzner Werkstoffe Holding GmbH
- System and method for waterproofing railway structures21 May 2026US 2026/0139443 A1Freedom Chemical Corporation
- System And Method For Subgrade Stabilization Of Railroad Bed22 Jan 2026US 2026/0022522 A1R&B Leasing, LLC
- Track17 Jul 2025US 2025/0230611 A1Tdi Greenway Technologies Ltd.
- 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.
Most cited
By later US patents
- Ground-borne noise and vibration damping137US 5,173,012 AClouth Gummiwerke Aktiengesellschaft · 1992
- Automated track location identification using measured track data58US 5,791,063 AEnsco, Inc. · 1998
- Electrothermally deformable levelling pad42US 3,936,661 AMatsushita Electric Industrial Co., Ltd. · 1976
- Anisotropic laminate of belted portions of a scrap tire41US 5,096,772 A1992
- Device for monitoring the condition of the superstructure especially of fixed railroad tracks32US 7,023,539 B2Pfleiderer Infrastrukturtechnik GmbH & Co. KG · 2006