E01H 1/0836
Apparatus dislodging all of the dirt by suction
Official title: {Apparatus dislodging all of the dirt by suction (combined with loosening by blowing E01H1/0863; liquids or semi-liquids E01H1/108; removing snow by suction E01H5/106, E01H8/08; for cleaning rails E01H8/105, E01H8/125); Suction nozzles (suction and blowing nozzles E01H1/0863)}
E01H1/0836 (Apparatus dislodging all of the dirt by suction) appears on 201 US grants and 171 published applications in this corpus.
Search patents in E01H- Granted patents
- 201
- Published applications
- 171
- Assignees
- 101
- Inventors
- 398
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 1 | 10 |
| 2005 | 4 | 5 |
| 2006 | 5 | 6 |
| 2007 | 1 | 3 |
| 2008 | 3 | 7 |
| 2009 | 1 | 9 |
| 2010 | 5 | 6 |
| 2011 | 5 | 1 |
| 2012 | 5 | 4 |
| 2013 | 1 | 15 |
| 2014 | 5 | 6 |
| 2015 | 4 | 8 |
| 2016 | 6 | 4 |
| 2017 | 7 | 8 |
| 2018 | 5 | 10 |
| 2019 | 4 | 6 |
| 2020 | 8 | 9 |
| 2021 | 5 | 2 |
| 2022 | 5 | 11 |
| 2023 | 12 | 9 |
| 2024 | 8 | 12 |
| 2025 | 3 | 8 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and system of sand removal to prevent sand encroachment26 May 2026US 12,637,818 B2
- Multifunctional construction site cleaning robot and cleaning method using same9 Sep 2025US 12,409,561 B2Wuhan Construction Engineering Group Co., Ltd.
- Fan for regenerative air vacuum street sweeper, and method of fan manufacture and assembly27 May 2025US 12,312,758 B2Curbtender Sweepers LLC
- Industrial sweeper provided with an improved device for unclogging the air filter thereof14 Jan 2025US 12,193,630 B2Etablissements Emily
- Dust mitigation system24 Dec 2024US 12,173,462 B2Fanca Technologies Pty Ltd
- Hose drive systems, vehicles, and related methods9 Jul 2026US 2026/0191384 A1Alamo Group Inc.
- Roller device and cleaning apparatus11 Jun 2026US 2026/0157592 A1Midea Robozone Technology Co., Ltd.
- Vacuuming system for separating undesirable particles from land matter and method using same11 Jun 2026US 2026/0158523 A1Technologie Hoola One Inc.
- A road cleaning vehicle21 May 2026US 2026/0139447 A1Bucher Municipal AG
- Roadside Litter Collecting Apparatus23 Apr 2026US 2026/0110148 A1Littertech UK Limited
Most cited
By later US patents
- Cleaning machine200US 5,129,125 AKomatsu Zenoah Co. · 1992
- Brush assembly of cleaner186US 6,971,140 B2LG Electronics Inc. · 2005
- Mobile walk-behind sweeper178US 6,041,471 AMadvac International Inc. · 2000
- Industrial vacuum loader with dust removal means for bag house filtration system75US 4,017,281 A1977
- High maneuverability riding turf sweeper and surface cleaning apparatus73US 6,070,290 ASchwarze Industries, Inc. · 2000