A01D 34/4168
Constructional details of the flexible lines
Official title: {Constructional details of the flexible lines}
A01D34/4168 (Constructional details of the flexible lines) appears on 118 US grants and 99 published applications in this corpus.
Search patents in A01D- Granted patents
- 118
- Published applications
- 99
- Assignees
- 55
- Inventors
- 165
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 5 |
| 2003 | 4 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 6 |
| 2006 | 1 | 3 |
| 2007 | 2 | 7 |
| 2008 | 1 | 5 |
| 2009 | 2 | 0 |
| 2010 | 2 | 5 |
| 2011 | 2 | 7 |
| 2012 | 1 | 4 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 5 |
| 2016 | 3 | 5 |
| 2017 | 4 | 1 |
| 2018 | 0 | 8 |
| 2019 | 2 | 2 |
| 2020 | 4 | 8 |
| 2021 | 3 | 4 |
| 2022 | 6 | 4 |
| 2023 | 1 | 5 |
| 2024 | 0 | 4 |
| 2025 | 6 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biobased nylon with improved degradation15 Sep 2026US 12,735,567 B2Shakespeare Company
- Flexible cutting blade for grass trimmers and rotary mowers9 Jun 2026US 12,648,516 B2Aero-Flex Technologies, Inc.
- Trimmer line for string trimmers23 Dec 2025US 12,501,853 B2Shakespeare Company
- String trimmer head14 Oct 2025US 12,439,846 B2Milwaukee Electric Tool Corporation
- Trimmer head and trimmer thereof2 Sep 2025US 12,402,558 B2Zhejiang Sunseeker Industrial Co., Ltd.
- String trimmer head15 Jan 2026US 2026/0013426 A1Milwaukee Electric Tool Corporation
- Composition and Elongated Line Device Useful for Various Devices Such as Trimmer Lines, Fishing Lines and the Like23 Oct 2025US 2025/0327214 A1
- Grass cutter with cord reel27 Mar 2025US 2025/0098572 A1Tomato Fudosan Co., Ltd.
- Metal rod blade and trimmer head utilizing same19 Dec 2024US 2024/0415053 A1
- Flexible cutting blade for grass trimmers and rotary mowers10 Oct 2024US 2024/0334870 A1Aero-Flex Technologies, Inc.
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
- Rotary cutting member for use with lawn mowers and the like88US 4,905,465 ATrim-A-Lawn Corporation · 1990
- Rotary cutting assembly71US 4,054,992 AWeed Eater, Inc. · 1977