E01H 8/10
Removing undesirable matter from rails, flange grooves, or the like railway parts
Official title: Removing undesirable matter from rails, flange grooves, or the like {railway parts}, e.g. removing ice from contact rails, removing mud from flange grooves (heating, blowing, or fluid-applying devices installed in the track E01B19/00; built-in draining devices for rails E01B21/02; removing ballast from rails E01B27/04)
E01H8/10 (Removing undesirable matter from rails, flange grooves, or the like railway parts) appears on 46 US grants and 54 published applications in this corpus.
Search patents in E01H- Granted patents
- 46
- Published applications
- 54
- Assignees
- 47
- Inventors
- 129
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 4 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 2 | 4 |
| 2015 | 2 | 4 |
| 2016 | 3 | 6 |
| 2017 | 2 | 4 |
| 2018 | 3 | 2 |
| 2019 | 4 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 5 |
| 2025 | 5 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Push-back storage systems22 Sep 2026US 12,741,823 B2The Econo-Rack Group (2015) Inc.
- Mechanical sand removal14 Jul 2026US 12,680,250 B2Kershaw Equipment L.L.C.
- Route cleaning system30 Dec 2025US 12,509,834 B2FAIVELEY TRANSPORT ITALIA S. p. A.
- Mobile waterjet rail repair system21 Oct 2025US 12,448,747 B2RailRestore BV, RailRestore Holding BV
- Rail track cleaner vehicle5 Aug 2025US 12,378,739 B2
- Cleaning Vehicle for Cleaning a Monorail of a Monorail System1 Oct 2026US 2026/0297875 A1Glatt GmbH
- Maintenance machinery and method1 Oct 2026US 2026/0297876 A1Transportation IP Holdings, LLC
- Cleaning System13 Aug 2026US 2026/0234882 A1Daifuku Co., Ltd.
- Device for cleaning a contact line assembly2 Jul 2026US 2026/0185315 A1SSR Co., LTD
- Mobile waterjet rail repair system22 Jan 2026US 2026/0022526 A1RailRestore BV
Most cited
By later US patents
- Method and system for increasing the track-to-wheel friction of the wheels of a locomotive for motive power and decreasing the rolling resistance for trailing loads25US 4,230,045 AMorrison-Knudsen Company, Inc. · 1980
- Locomotive snow removal enhancement20US 6,688,021 B2General Electric Company · 2004
- Railcar track cleaning system17US 6,148,732 ACarolina Equipment & Supply Co., Inc. · 2000
- Locomotive adhesion enhancing slipping discs15US 5,775,228 AGeneral Motors Corporation · 1998
- Apparatus for cleaning the surface of a railway rail12US 5,060,335 A1991