E01H 1/0863
Apparatus loosening or removing the dirt by blowing and subsequently dislodging it
Official title: {Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction (liquids or semi-liquids E01H1/108); Combined suction and blowing nozzles}
E01H1/0863 (Apparatus loosening or removing the dirt by blowing and subsequently dislodging it) appears on 89 US grants and 67 published applications in this corpus.
Search patents in E01H- Granted patents
- 89
- Published applications
- 67
- Assignees
- 46
- Inventors
- 145
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 4 |
| 2008 | 0 | 4 |
| 2009 | 2 | 10 |
| 2010 | 3 | 0 |
| 2011 | 2 | 1 |
| 2012 | 3 | 1 |
| 2013 | 0 | 8 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 4 |
| 2018 | 2 | 4 |
| 2019 | 1 | 4 |
| 2020 | 4 | 3 |
| 2021 | 4 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 5 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blowing-sucking device3 Jun 2025US 12,317,784 B2Techtronic Cordless GP
- Vacuum blower19 Nov 2024US 12,146,498 B2Yamabiko Corporation
- Vehicle assisted working device, cleaning system, and method using the same18 Jun 2024US 12,012,704 B2Trombia Technologies Oy
- Backpack tool apparatus14 May 2024US 11,980,139 B2Greenworks (Jiangsu) Co., Ltd.
- Backpack tool apparatus4 Apr 2023US 11,617,312 B2Globe (Jiangsu) Co., Ltd.
- Cutting assembly applicable to a blower/vacuum and blower/vacuum19 Mar 2026US 2026/0076315 A1Nanjing Chervon Industry Co., Ltd.
- Cleaner module22 Jan 2026US 2026/0022525 A1
- Airflow device19 Jun 2025US 2025/0198424 A1Nanjing Chevron Industry Co., Ltd.
- Blower8 May 2025US 2025/0146508 A1Nanjing Chervon Industry Co., Ltd.
- Vacuum1 Aug 2024US 2024/0252004 A1Yamabiko Corporation
Most cited
By later US patents
- Broom assisted pick-up head123US 5,542,148 ATymco, Inc. · 1996
- Vacuum trailer66US 5,317,783 AHaybuster Manufacturing, Inc. · 1994
- Apparatus for removing liquid from the ground44US 4,571,849 A1986
- Pickup truck mounted sweeper39US 4,660,248 ATymco, Inc. · 1987
- Surface maintenance machine having air recirculation34US 4,310,944 ATennant Company · 1982