A01G 20/47
Vacuum or blower devices
A01G20/47 (Vacuum or blower devices) appears on 510 US grants and 597 published applications in this corpus.
Search patents in A01G- Granted patents
- 510
- Published applications
- 597
- Assignees
- 154
- Inventors
- 1,028
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 15 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 7 |
| 2002 | 7 | 12 |
| 2003 | 14 | 13 |
| 2004 | 3 | 10 |
| 2005 | 5 | 14 |
| 2006 | 8 | 16 |
| 2007 | 10 | 13 |
| 2008 | 8 | 17 |
| 2009 | 9 | 13 |
| 2010 | 15 | 9 |
| 2011 | 7 | 10 |
| 2012 | 13 | 9 |
| 2013 | 4 | 19 |
| 2014 | 14 | 14 |
| 2015 | 15 | 23 |
| 2016 | 15 | 39 |
| 2017 | 13 | 31 |
| 2018 | 24 | 23 |
| 2019 | 26 | 37 |
| 2020 | 21 | 47 |
| 2021 | 26 | 44 |
| 2022 | 24 | 35 |
| 2023 | 35 | 37 |
| 2024 | 38 | 37 |
| 2025 | 35 | 42 |
| 2026 | 18 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-task blower platform, device and system6 Oct 2026US 12,751,382 B2
- Blowing suction device22 Sep 2026US 12,740,517 B2Positec Power Tools (Suzhou) Co., Ltd.
- Handheld blower15 Sep 2026US 12,733,600 B2Milwaukee Electric Tool Corporation
- Electric motor including outer rotor body, surrounding cover, and fan integrally formed with the cover15 Sep 2026US 12,738,807 B2Milwaukee Electric Tool Corporation
- Air blower and/or vacuum with static charge mitigation18 Aug 2026US 12,713,510 B2The Toro Company
- Handheld blower vacuum1 Oct 2026US 2026/0293821 A1Nanjing Chervon Industry Co., Ltd.
- Blower3 Sep 2026US 2026/0256064 A1Nanjing Chervon Industry Co., Ltd.
- Backpack supported power tool with asymmetric corrugated support arm13 Aug 2026US 2026/0232157 A1Milwaukee Electric Tool Corporation
- Blower6 Aug 2026US 2026/0226919 A1Techtronic Cordless GP
- Rake/Vacuum Apparatus30 Jul 2026US 2026/0215361 A1
Most cited
By later US patents
- Electric tool powered by a plurality of battery packs and adapter therefor610US 8,984,711 B2Makita Corporation · 2015
- Blower pipe with silencer111US 5,841,080 AKioritz Corporation · 1998
- Portable blower-vacuum unit96US 4,325,163 AAllegretti & Company · 1982
- Portable blower89US 4,884,314 ABlack & Decker Inc. · 1989
- Lawn/garden blower/vacuum82US 4,644,606 AMcCulloch Corporation · 1987