A01B 31/00
Drags
A01B31/00 (Drags) appears on 96 US grants and 65 published applications in this corpus.
Search patents in A01B- Granted patents
- 96
- Published applications
- 65
- Assignees
- 38
- Inventors
- 128
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 4 | 3 |
| 2005 | 3 | 4 |
| 2006 | 5 | 4 |
| 2007 | 2 | 6 |
| 2008 | 1 | 3 |
| 2009 | 3 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 3 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 4 |
| 2019 | 5 | 1 |
| 2020 | 1 | 4 |
| 2021 | 1 | 3 |
| 2022 | 4 | 3 |
| 2023 | 5 | 4 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Equine footing conditioning tools14 Jul 2026US 12,677,717 B1ABI Attachments, Inc.
- Automated ground leveling using artificial neural network11 Feb 2025US 12,221,764 B2Deere & Company
- Land plane attachment with mechanical ripper31 Dec 2024US 12,180,674 B2
- Adjustable hitches for coupling surface conditioning tools and work machines20 Feb 2024US 11,904,645 B1ABI Attachments, Inc.
- Yard leveling and conditioning apparatus19 Dec 2023US 11,846,084 B2
- Arena grooming machines10 Apr 2025US 2025/0116088 A1
- Scarifier assembly10 Apr 2025US 2025/0116090 A1
- Multifunctional Attachment Assembly5 Dec 2024US 2024/0399966 A1Electronic Design Associates, LLC
- Skid steer rake with variable scarifiers and clod-cleaving wheels18 Apr 2024US 2024/0125084 A1
- Automatic weed control28 Dec 2023US 2023/0413706 A1Vipcom Aps
Most cited
By later US patents
- Grass striping attachment for lawn mowers44US 5,761,894 AMagic Circle Corporation · 1998
- Earth scraper with track apparatus40US 7,077,216 B2ATI, Inc. · 2006
- Offal scraper39US 5,075,985 A1991
- Tractor drawn scraper with folding wings27US 5,890,546 A1999
- Particulate material spreader with selectively detachable three-point linkage24US 4,196,778 A1980