E01B 1/008
Drainage of track
Official title: {Drainage of track}
E01B1/008 (Drainage of track) appears on 40 US grants and 26 published applications in this corpus.
Search patents in E01B- Granted patents
- 40
- Published applications
- 26
- Assignees
- 28
- Inventors
- 75
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 4 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Shear resistant drain system for improving weak foundation soils25 Nov 2025US 12,480,260 B2TBT Engineering Limited
- Drainage system, drainage units, and methods19 Mar 2024US 11,933,034 B2Aco Ahlmann SE & Co. KG
- Integrated ballast mat7 Apr 2020US 10,612,198 B2Versaflex, Inc.
- Subgrade peat stabilisation system for railway9 Jul 2019US 10,344,433 B2TBT Engineering Limited
- Integrated ballast mat20 Nov 2018US 10,132,049 B2Versaflex, Inc.
- Track17 Jul 2025US 2025/0230611 A1Tdi Greenway Technologies Ltd.
- Prefabricated wire mesh assembly for ballast and method of constructing gravel-ballasted track using the same10 Apr 2025US 2025/0116071 A1Korea Railroad Research Institute
- Ballasted track systems with rubberized asphalt coatings and related methods10 Nov 2022US 2022/0356653 A1Trammco, LLC
- Shear Resistant Drain System for Improving Weak Foundation Soils12 May 2022US 2022/0145545 A1TBT Engineering Limited
- Drainage system, drainage units, and methods28 Apr 2022US 2022/0127835 A1Aco Severin Ahlmann GmbH & Co. Kommanditgesellschaft
Most cited
By later US patents
- Embedded track assembly30US 4,793,545 AConstruction Polymers Company · 1988
- Containment reservoir and method27US 4,296,884 ATrue Temper Corporation · 1981
- Variable thickness fabric mat for railway track structure and method26US 4,311,273 ATrue Temper Corporation · 1982
- Railroad track assembly and method21US 5,609,294 A1997
- Sheet useful as a reservoir liner20US 4,388,357 ATrue Temper Corporation · 1983