E01H 8/00
Removing undesirable matter from the permanent way of railways
Official title: Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails (E01H1/00 - E01H6/00 take precedence; {controlling vegetation E01H11/00; removing ballast from rails or sleepers E01B27/023; removing, cleaning the ballast itself E01B27/04, E01B27/06})
E01H8/00 (Removing undesirable matter from the permanent way of railways) appears on 85 US grants and 77 published applications in this corpus.
Search patents in E01H- Granted patents
- 85
- Published applications
- 77
- Assignees
- 66
- Inventors
- 187
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 5 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 3 | 5 |
| 2015 | 2 | 4 |
| 2016 | 5 | 12 |
| 2017 | 4 | 5 |
| 2018 | 6 | 3 |
| 2019 | 6 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 4 |
| 2023 | 2 | 3 |
| 2024 | 2 | 6 |
| 2025 | 6 | 2 |
| 2026 | 2 | 6 |
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.
- Methods and apparatus for the removal of snow and ice from crane booms28 Oct 2025US 12,457,666 B2
- Mobile waterjet rail repair system21 Oct 2025US 12,448,747 B2RailRestore BV, RailRestore Holding BV
- 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
- Vehicle for cleaning railway roadbeds of magnetic articles22US 4,225,429 A1980
- Method of and apparatus for picking up refuse from a surface, such as a track bed21US 4,570,287 AWalter Schneider GmbH & Co. KG · 1986
- Locomotive snow removal enhancement20US 6,688,021 B2General Electric Company · 2004
- Railroad track cleaner18US 4,741,072 A1988