E01H 1/0827
Dislodging by suction
Official title: {Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles (combined with blowing E01H1/0872); Mechanical loosening devices working under vacuum}
E01H1/0827 (Dislodging by suction) appears on 353 US grants and 253 published applications in this corpus.
Search patents in E01H- Granted patents
- 353
- Published applications
- 253
- Assignees
- 160
- Inventors
- 624
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 5 |
| 2003 | 6 | 3 |
| 2004 | 3 | 21 |
| 2005 | 8 | 7 |
| 2006 | 6 | 10 |
| 2007 | 5 | 9 |
| 2008 | 7 | 15 |
| 2009 | 3 | 15 |
| 2010 | 8 | 8 |
| 2011 | 9 | 3 |
| 2012 | 9 | 6 |
| 2013 | 3 | 15 |
| 2014 | 5 | 7 |
| 2015 | 5 | 10 |
| 2016 | 6 | 8 |
| 2017 | 10 | 9 |
| 2018 | 7 | 11 |
| 2019 | 4 | 10 |
| 2020 | 11 | 12 |
| 2021 | 7 | 3 |
| 2022 | 5 | 15 |
| 2023 | 14 | 13 |
| 2024 | 11 | 17 |
| 2025 | 6 | 11 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Material collection systems, vehicles, and related methods18 Aug 2026US 12,709,848 B2Alamo Group Inc.
- Apparatus and system of sand removal to prevent sand encroachment26 May 2026US 12,637,818 B2
- Boarding sweeper with guides passing air through a battery holder4 Nov 2025US 12,458,192 B2Honda Motor Co., Ltd.
- Self-propelled sweeping machine21 Oct 2025US 12,448,744 B2Aebi Schmidt Deutschland GmbH
- Multifunctional construction site cleaning robot and cleaning method using same9 Sep 2025US 12,409,561 B2Wuhan Construction Engineering Group Co., Ltd.
- Hose drive systems, vehicles, and related methods9 Jul 2026US 2026/0191384 A1Alamo Group Inc.
- Runway maintenance apparatus25 Jun 2026US 2026/0176836 A1Roboxi AS
- 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.
- Auto Height Control for Collection Arm of Leaf Vacuum11 Jun 2026US 2026/0160033 A1Bonnell Industries, Inc.
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
- Hopper and filter chamber for direct forward throw sweeper184US 5,303,448 ATennant Company · 1994
- Mobile walk-behind sweeper178US 6,041,471 AMadvac International Inc. · 2000
- Sucking and filtering vehicle for dust and trash collecting169US 5,943,733 ADulevo International S. p. A. · 1999