E01H 8/08
By application of heat
Official title: by application of heat, {e.g. by means of heated clearing instruments, melting in situ}({weed scorching devices which may also melt snow E01H11/00;} heated track E01B19/00); {Clearing devices which melt the dislodged snow; Clearing exclusively by means of rays or streams or gas or stream, or by suction}
E01H8/08 (By application of heat) appears on 6 US grants and 9 published applications in this corpus.
Search patents in E01H- Granted patents
- 6
- Published applications
- 9
- Assignees
- 5
- Inventors
- 16
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatus for the removal of snow and ice from crane booms28 Oct 2025US 12,457,666 B2
- Third rail heater control system23 Feb 2021US 10,927,518 B2M.C. Dean Inc.
- Railroad snow removal system12 Jul 2011US 7,979,170 B2Railway Equipment Company, Inc.
- Railroad snow removal system6 Apr 2010US 7,693,623 B2Railway Equipment Company, Inc.
- Snow removal apparatus and method of using same29 Apr 2003US 6,553,693 B1360fiber ltd,
- Crane Booms Snow and Ice Removal Methods and Apparatus15 Jan 2026US 2026/0020114 A1
- Methods and Apparatus for the Removal of Snow and Ice from Crane Booms26 Dec 2024US 2024/0430992 A1
- Surface Conditioning Of Railway Tracks Or Wheels22 Jun 2023US 2023/0192154 A1Plasmatrack Limited
- Heating device for railway tracks24 Jun 2021US 2021/0189673 A1
- Third rail heater control system13 Aug 2020US 2020/0256024 A1M.C. Dean Inc.
Most cited
By later US patents