E01H 1/0809
Loosening or dislodging by blowing
Official title: {Loosening or dislodging by blowing (combined with suction E01H1/0863; with steam E01H1/10; removing snow by blowing E01H5/106; cleaning rails by blowing E01H8/105, E01H8/125; removing fog by blowing E01H13/00; cleaning joints in road construction by blowing E01C23/0906); Drying by means of gas streams (combined with snow or ice melting E01H5/10)}
E01H1/0809 (Loosening or dislodging by blowing) appears on 224 US grants and 249 published applications in this corpus.
Search patents in E01H- Granted patents
- 224
- Published applications
- 249
- Assignees
- 106
- Inventors
- 462
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 4 |
| 2002 | 4 | 8 |
| 2003 | 6 | 4 |
| 2004 | 2 | 6 |
| 2005 | 3 | 7 |
| 2006 | 3 | 6 |
| 2007 | 2 | 5 |
| 2008 | 1 | 11 |
| 2009 | 3 | 9 |
| 2010 | 11 | 7 |
| 2011 | 5 | 7 |
| 2012 | 4 | 3 |
| 2013 | 2 | 7 |
| 2014 | 6 | 9 |
| 2015 | 8 | 13 |
| 2016 | 10 | 15 |
| 2017 | 10 | 18 |
| 2018 | 15 | 16 |
| 2019 | 15 | 13 |
| 2020 | 12 | 16 |
| 2021 | 8 | 10 |
| 2022 | 8 | 15 |
| 2023 | 10 | 12 |
| 2024 | 11 | 9 |
| 2025 | 9 | 7 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-task blower platform, device and system6 Oct 2026US 12,751,382 B2
- Tow and ride debris blowers29 Sep 2026US 12,747,737 B2
- Backpack blower, backpack assembly and backpack power assembly9 Jun 2026US 12,648,527 B2Greenworks (Jiangsu) Co., Ltd.
- Blower12 May 2026US 12,624,703 B2Greenworks (Jiangsu) Co., Ltd.
- Electric blower apparatus with battery pack31 Mar 2026US 12,588,607 B2Andreas Stihl AG & CO.KG
- Blower3 Sep 2026US 2026/0256064 A1Nanjing Chervon Industry Co., Ltd.
- Blower18 Jun 2026US 2026/0168505 A1Jiangsu Dongcheng M&E Tools Co., Ltd.
- Intelligent garden robot with multifunctional modules11 Jun 2026US 2026/0160034 A1Shenzhen Hanyang Technology Co., Ltd.
- Blower11 Jun 2026US 2026/0160257 A1Nanjing Chervon Industry Co., Ltd.
- Walk-behind blower7 May 2026US 2026/0123587 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Portable electrically powered blower apparatus79US 6,105,206 ADepartment of Water and Power City of Los Angeles · 2000
- Air broom69US 4,288,886 A1981
- Convertible snowblower using rectangular shroud interface66US 4,597,203 A1986
- Portable air-blowing working machine66US 6,109,865 AKioritz Corporation · 2000
- Blower attachment for portable power unit64US 4,413,371 AEmerson Electric Co. · 1983