A01G 20/40
Apparatus for cleaning the lawn or grass surface
A01G20/40 (Apparatus for cleaning the lawn or grass surface) appears on 675 US grants and 757 published applications in this corpus.
Search patents in A01G- Granted patents
- 675
- Published applications
- 757
- Assignees
- 201
- Inventors
- 1,311
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 21 | 0 |
| 1999 | 10 | 0 |
| 2000 | 18 | 0 |
| 2001 | 14 | 8 |
| 2002 | 8 | 15 |
| 2003 | 20 | 15 |
| 2004 | 4 | 14 |
| 2005 | 6 | 22 |
| 2006 | 11 | 23 |
| 2007 | 10 | 18 |
| 2008 | 11 | 20 |
| 2009 | 13 | 18 |
| 2010 | 19 | 12 |
| 2011 | 9 | 16 |
| 2012 | 18 | 14 |
| 2013 | 9 | 28 |
| 2014 | 20 | 21 |
| 2015 | 21 | 29 |
| 2016 | 21 | 43 |
| 2017 | 18 | 35 |
| 2018 | 29 | 36 |
| 2019 | 31 | 47 |
| 2020 | 28 | 55 |
| 2021 | 32 | 55 |
| 2022 | 32 | 44 |
| 2023 | 40 | 43 |
| 2024 | 44 | 46 |
| 2025 | 40 | 46 |
| 2026 | 22 | 34 |
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
- 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
- Hauling device having collapsible handle1 Sep 2026US 12,721,284 B2
- Tool module for a mobile apparatus for maintaining a lawn1 Oct 2026US 2026/0293820 A1Andreas Stihl AG & CO.KG
- Handheld blower vacuum1 Oct 2026US 2026/0293821 A1Nanjing Chervon Industry Co., Ltd.
- Systems and methods for drone-based golf course maintenance10 Sep 2026US 2026/0262584 A1EVZ Golf Group, LLC
- Blower3 Sep 2026US 2026/0256064 A1Nanjing Chervon Industry Co., Ltd.
- Autonomous lawnmower20 Aug 2026US 2026/0241540 A1Positec Power Tools (Suzhou) Co., Ltd.
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
- Leaf caddy89US 4,561,480 A1985
- Portable blower89US 4,884,314 ABlack & Decker Inc. · 1989