E01H 1/101
Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging
Official title: {Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers (E01H1/005 takes precedence; cleaning rails E01H8/105, E01H8/125; applying liquids in general E01H3/00; scrubbing machines for floors or similar surfaces A47L11/26 - A47L11/30)}
E01H1/101 (Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging) appears on 137 US grants and 110 published applications in this corpus.
Search patents in E01H- Granted patents
- 137
- Published applications
- 110
- Assignees
- 83
- Inventors
- 245
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 7 |
| 2003 | 4 | 3 |
| 2004 | 0 | 1 |
| 2005 | 1 | 7 |
| 2006 | 1 | 3 |
| 2007 | 5 | 8 |
| 2008 | 1 | 10 |
| 2009 | 7 | 4 |
| 2010 | 6 | 2 |
| 2011 | 4 | 3 |
| 2012 | 0 | 8 |
| 2013 | 4 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 4 |
| 2016 | 1 | 4 |
| 2017 | 3 | 6 |
| 2018 | 3 | 4 |
| 2019 | 2 | 6 |
| 2020 | 5 | 3 |
| 2021 | 3 | 5 |
| 2022 | 0 | 4 |
| 2023 | 3 | 5 |
| 2024 | 4 | 2 |
| 2025 | 3 | 4 |
| 2026 | 1 | 1 |
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.
- 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
- Dry filtration system4 Feb 2025US 12,214,482 B2Waterblasting, LLC
- Automated road sweeper and road cleaning method using said road sweeper24 Dec 2024US 12,173,461 B2Dulevo International S. p. A.
- Mobile High-Pressure Road Surface Cleaning System Employing Integrated Closed Loop And Open Loop Hydrostatic Pumps27 Aug 2026US 2026/0250920 A1NLB Corp.
- Methods of treating bitumen-containing surfaces10 Jul 2025US 2025/0223766 A1Bard Global Holdings, Inc.
- Apparatus for cleaning surfaces using the bernoulli principle3 Jul 2025US 2025/0213088 A1
- High-pressure cleaning device17 Apr 2025US 2025/0122679 A1Greenworks (Jiangsu) Co., Ltd.
- Installation for Capturing Floods and Excess Water in Drainage Systems, As Well As Maintenance of Road Surfaces According to Warnings, Phenomena, and Weather Parameters Measured in Real Time27 Mar 2025US 2025/0101696 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
- Multi-functional floor-cleaning tool57US 6,647,585 B1Kaivac, Inc. · 2003
- Machine for preparing road surfaces and forming traffic regulating lines thereon56US 4,376,007 A1983
- Surface cleaning machine with squeegee assembly53US 4,429,433 AThe Scott Fetzer Company · 1984