E01H 1/10
Hydraulically loosening or dislodging undesirable matter
Official title: Hydraulically loosening or dislodging undesirable matter (stationary flushing devices E01H3/04); Raking or scraping apparatus (hand implements E01H1/12 ){; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud (removing pneumatically E01H1/08; steam-cleaning E01H11/00)}
E01H1/10 (Hydraulically loosening or dislodging undesirable matter) appears on 251 US grants and 176 published applications in this corpus.
Search patents in E01H- Granted patents
- 251
- Published applications
- 176
- Assignees
- 124
- Inventors
- 417
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 2 |
| 2002 | 4 | 7 |
| 2003 | 6 | 4 |
| 2004 | 1 | 4 |
| 2005 | 3 | 9 |
| 2006 | 3 | 8 |
| 2007 | 7 | 10 |
| 2008 | 4 | 11 |
| 2009 | 7 | 6 |
| 2010 | 7 | 4 |
| 2011 | 5 | 8 |
| 2012 | 4 | 9 |
| 2013 | 6 | 5 |
| 2014 | 5 | 3 |
| 2015 | 3 | 4 |
| 2016 | 2 | 7 |
| 2017 | 7 | 6 |
| 2018 | 3 | 6 |
| 2019 | 4 | 10 |
| 2020 | 8 | 6 |
| 2021 | 6 | 6 |
| 2022 | 2 | 12 |
| 2023 | 7 | 10 |
| 2024 | 8 | 7 |
| 2025 | 9 | 8 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure washer with container holder28 Jul 2026US 12,691,474 B2Generac Power Systems, Inc.
- Material collecting apparatus14 Jul 2026US 12,680,248 B1
- Scraping device for cleaning a roadway surface23 Dec 2025US 12,503,829 B29407-4895 Quebec Inc.
- Method and apparatus for rejuvenating lines on roads2 Dec 2025US 12,486,629 B1
- Outdoor surface cleaning apparatus with spray mechanism29 Jul 2025US 12,370,564 B2Techtronic Cordless GP
- Mobile High-Pressure Road Surface Cleaning System Employing Integrated Closed Loop And Open Loop Hydrostatic Pumps27 Aug 2026US 2026/0250920 A1NLB Corp.
- Runway maintenance apparatus25 Jun 2026US 2026/0176836 A1Roboxi AS
- Liquid removal device with absorber drum and related methods30 Apr 2026US 2026/0115105 A1Clevertivity LLC
- Scraping device for cleaning a roadway surface19 Mar 2026US 2026/0078563 A19407-4895 Quebec Inc.
- Device for automatically collecting and transporting waste on road9 Oct 2025US 2025/0314028 A1
Most cited
By later US patents
- Surface maintenance machine with rotary lip125US 4,624,026 ATennant Company · 1986
- Washing device mounted on a motor vehicle and comprising a rotary washing arm which delivers jets of pressurized hot water for cleaning various surfaces75US 5,004,156 A1991
- Snow removal apparatus61US 5,819,443 A1998
- Street clearing device58US 4,307,523 A1981
- Transparent plow blade58US 4,574,502 A1986