A01D 34/416
Flexible line cutters
A01D34/416 (Flexible line cutters) appears on 871 US grants and 718 published applications in this corpus.
Search patents in A01D- Granted patents
- 871
- Published applications
- 718
- Assignees
- 222
- Inventors
- 1,124
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 16 | 0 |
| 1978 | 23 | 0 |
| 1979 | 20 | 0 |
| 1980 | 31 | 0 |
| 1981 | 30 | 0 |
| 1982 | 16 | 0 |
| 1983 | 12 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 14 | 0 |
| 1987 | 15 | 0 |
| 1988 | 9 | 0 |
| 1989 | 24 | 0 |
| 1990 | 16 | 0 |
| 1991 | 16 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 18 | 0 |
| 1995 | 15 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 20 | 0 |
| 2001 | 15 | 4 |
| 2002 | 18 | 19 |
| 2003 | 15 | 17 |
| 2004 | 11 | 19 |
| 2005 | 20 | 24 |
| 2006 | 11 | 22 |
| 2007 | 6 | 19 |
| 2008 | 6 | 32 |
| 2009 | 11 | 15 |
| 2010 | 10 | 23 |
| 2011 | 14 | 21 |
| 2012 | 10 | 21 |
| 2013 | 13 | 14 |
| 2014 | 14 | 24 |
| 2015 | 9 | 41 |
| 2016 | 18 | 36 |
| 2017 | 20 | 33 |
| 2018 | 21 | 54 |
| 2019 | 34 | 35 |
| 2020 | 31 | 50 |
| 2021 | 32 | 40 |
| 2022 | 42 | 35 |
| 2023 | 23 | 37 |
| 2024 | 25 | 32 |
| 2025 | 32 | 27 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Biobased nylon with improved degradation15 Sep 2026US 12,735,567 B2Shakespeare Company
- Weed whacker attachment and cutting string dispensing mechanism8 Sep 2026US 12,727,540 B2
- Vegetation cutting apparatus11 Aug 2026US 12,702,086 B2Echo Incorporated
- Cutting head10 Sep 2026US 2026/0262568 A1Andreas Stihl AG & CO.KG
- Spool, thread mowing head and method for assembling a thread mowing head10 Sep 2026US 2026/0262569 A1Andreas Stihl AG & CO.KG
- 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
Most cited
By later US patents
- Monofilament weed cutters108US 4,186,239 ABerkley, Inc. · 1980
- Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporating same and methods of using said articles95US 5,427,595 AMinnesota Mining and Manufacturing Company · 1995
- Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporting same and methods of using said articles94US 5,443,906 AMinnesota Mining and Manufacturing Company · 1995
- Filament trimmer head91US 5,749,148 AThe Toro Company · 1998
- Rotary cutting member for use with lawn mowers and the like88US 4,905,465 ATrim-A-Lawn Corporation · 1990