A01D 34/52
Cutting apparatus
A01D34/52 (Cutting apparatus) appears on 129 US grants and 137 published applications in this corpus.
Search patents in A01D- Granted patents
- 129
- Published applications
- 137
- Assignees
- 73
- Inventors
- 247
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 4 |
| 2005 | 1 | 5 |
| 2006 | 1 | 4 |
| 2007 | 2 | 5 |
| 2008 | 3 | 3 |
| 2009 | 2 | 4 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 7 |
| 2015 | 1 | 5 |
| 2016 | 4 | 11 |
| 2017 | 6 | 5 |
| 2018 | 5 | 9 |
| 2019 | 4 | 13 |
| 2020 | 10 | 8 |
| 2021 | 13 | 10 |
| 2022 | 4 | 9 |
| 2023 | 5 | 5 |
| 2024 | 3 | 5 |
| 2025 | 9 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cutting device for agricultural machines21 Jul 2026US 12,685,253 B2Pek Automotive D.O.O.
- Brush cutter rotor2 Jun 2026US 12,642,189 B29422-8053 Quebec Inc.
- Walk reel mower with side plate cutouts for drop out reel6 Jan 2026US 12,514,156 B2The Toro Company
- Trimmer line for string trimmers23 Dec 2025US 12,501,853 B2Shakespeare Company
- Land roller with replaceable chopping blades5 Aug 2025US 12,376,520 B2J A Redekop Holdings Ltd.
- Adjustable mower assembly1 Oct 2026US 2026/0293801 A1Textron Inc.
- Power operated reel-type rotary mower with front trimmer13 Aug 2026US 2026/0231858 A1
- Walk reel mower with side plate cutouts for drop out reel7 May 2026US 2026/0123574 A1The Toro Company
- Serrated Cutting Tool for a Rotary Disc or Drum5 Mar 2026US 2026/0061506 A1Quadco Inc.
- Stripper tooth plate and backer plate mounting for a crop stripper header22 Jan 2026US 2026/0020520 A1
Most cited
By later US patents
- Opacified latex paint containing plastic polymer particles58US 4,069,186 ASCM Corporation · 1978
- Rotary cutting machine with replaceable cutting teeth36US 7,634,897 B2Les Equipments Prenbec Inc. · 2009
- Autonomous mower cutting systems30US 10,856,467 B2MTD Products Inc · 2020
- Crop processor29US 4,550,554 AEzra C. Lundahl, Inc. · 1985
- Rotary agricultural tool24US 5,272,861 AKverneland Underhaug AS · 1993