A01D 34/4165
Mounting of the cutter head
Official title: {Mounting of the cutter head}
A01D34/4165 (Mounting of the cutter head) appears on 90 US grants and 125 published applications in this corpus.
Search patents in A01D- Granted patents
- 90
- Published applications
- 125
- Assignees
- 45
- Inventors
- 158
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 5 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 5 |
| 2015 | 1 | 10 |
| 2016 | 5 | 6 |
| 2017 | 4 | 7 |
| 2018 | 4 | 16 |
| 2019 | 9 | 9 |
| 2020 | 13 | 12 |
| 2021 | 5 | 9 |
| 2022 | 7 | 8 |
| 2023 | 2 | 13 |
| 2024 | 6 | 5 |
| 2025 | 10 | 4 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible rotary cutting device and method6 Oct 2026US 12,751,354 B2
- Heads for string trimmers and mowers15 Sep 2026US 12,733,575 B1Ardisam, Inc.
- Weed whacker attachment and cutting string dispensing mechanism8 Sep 2026US 12,727,540 B2
- Vegetation cutting apparatus11 Aug 2026US 12,702,086 B2Echo Incorporated
- String trimmer head28 Jul 2026US 12,690,515 B2Milwaukee Electric Tool Corporation
- Grass trimmer13 Aug 2026US 2026/0231857 A1Nanjing Chervon Industry Co., Ltd.
- Grass trimming head and grass trimmer having the same30 Jul 2026US 2026/0215362 A1Nanjing Chervon Industry Co., Ltd.
- Grass trimmer23 Jul 2026US 2026/0206680 A1Chervon (HK) Limited
- String trimmer head and spool30 Apr 2026US 2026/0114365 A1Milwaukee Electric Tool Corporation
- Detachable string trimmer19 Mar 2026US 2026/0076297 A1Trimyxs, LLC
Most cited
By later US patents
- String trimmer with fixed string head55US 5,979,064 ADeere & Company · 1999
- Bi-directional trimmer head spool with curved trimmer line guide40US 8,025,249 B22011
- Filament holder for a rotating filament vegetation cutter36US 5,023,998 AAdvanced Products International, Inc. · 1991
- Flexible string cutting device30US 4,124,938 AWeed Eater, Inc. · 1978
- Multi-purpose motor mounting system for a string trimmer30US 5,544,417 ABlack & Decker Inc. · 1996