E01H 3/00
Applying liquids to roads or like surfaces
Official title: Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices (combined with removal of undesirable matter E01H1/00; spray heads, other outlets B05B {; applying hot water for melting snow E01H5/10; applicators for melting liquids E01H10/00; weed destruction E01H11/00})
E01H3/00 (Applying liquids to roads or like surfaces) appears on 49 US grants and 62 published applications in this corpus.
Search patents in E01H- Granted patents
- 49
- Published applications
- 62
- Assignees
- 28
- Inventors
- 143
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 3 | 3 |
| 2014 | 1 | 3 |
| 2015 | 2 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 2 | 2 |
| 2020 | 4 | 5 |
| 2021 | 3 | 2 |
| 2022 | 4 | 6 |
| 2023 | 3 | 2 |
| 2024 | 2 | 9 |
| 2025 | 4 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Unmanned vehicle management method and system for determining inter-vehicle distance between sprinkling vehicle and unmanned vehicle23 Dec 2025US 12,503,110 B2Komatsu Ltd.
- Manual spray limiter for water truck spray nozzle16 Sep 2025US 12,415,200 B1
- Power unit with salt spreader and salt spreader for use therewith12 Aug 2025US 12,385,201 B2Venture Products, Inc.
- Water dispensing management for autonomous machines17 Jun 2025US 12,331,644 B2Caterpillar Inc.
- Object location using offset20 Aug 2024US 12,066,553 B2
- Runway maintenance apparatus25 Jun 2026US 2026/0176836 A1Roboxi AS
- Dust detection and mitigation on worksites16 Apr 2026US 2026/0103983 A1Caterpillar Inc.
- Management system of work site and method for managing work site6 Nov 2025US 2025/0339870 A1Komatsu Ltd.
- Management system of work site and management method of work site26 Jun 2025US 2025/0208629 A1Komatsu Ltd.
- Sprinkling vehicle management system, sprinkling vehicle, and sprinkling vehicle management method24 Apr 2025US 2025/0128707 A1Komatsu Ltd.
Most cited
By later US patents
- Spreader vehicle for solid and liquid thawing materials65US 4,442,979 A1984
- Aggregate stabilization55US 4,822,425 A1989
- Method and apparatus for dispensing a deicer liquid30US 4,161,280 AState of Connecticut · 1979
- Mobile hydraulic jetting device for cleaning large planar surfaces27US 3,987,964 AHalliburton Company · 1976
- Plant composed of multi-functional apparatus for delivering substances for treating roadways or the land, and which can be self-loaded from the ground on to the platform of a transporter vehicle, and vice versa17US 4,390,286 A1983