A01B 13/00
Ploughs or like machines for special purposes
Official title: Ploughs or like machines for special purposes (for drainage E02B11/02)
A01B13/00 (Ploughs or like machines for special purposes) appears on 249 US grants and 113 published applications in this corpus.
Search patents in A01B- Granted patents
- 249
- Published applications
- 113
- Assignees
- 102
- Inventors
- 344
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 2 |
| 2003 | 3 | 6 |
| 2004 | 2 | 4 |
| 2005 | 4 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 6 |
| 2009 | 4 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 3 | 5 |
| 2013 | 1 | 1 |
| 2014 | 3 | 5 |
| 2015 | 2 | 4 |
| 2016 | 4 | 5 |
| 2017 | 3 | 6 |
| 2018 | 6 | 11 |
| 2019 | 7 | 5 |
| 2020 | 10 | 10 |
| 2021 | 6 | 10 |
| 2022 | 7 | 10 |
| 2023 | 5 | 3 |
| 2024 | 2 | 2 |
| 2025 | 4 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01B 13/08Ploughs or like machines for special purposes: for working subsoil123
- A01B 13/02Ploughs or like machines for special purposes: for making or working ridges40
- A01B 13/16Machines for combating erosion33
- A01B 13/14Ploughs or like machines for special purposes: for working soil in two13
- A01B 13/04Ploughs or like machines for special purposes: for working in vineyards, orchards5
Recent patents
- Vibratory backfilling device for on-ridge transplant9 Sep 2025US 12,408,580 B1Longmen Laboratory
- Control of residue spread pattern by continuously varying distribution frequency25 Feb 2025US 12,232,452 B2CNH Industrial America LLC
- Earth conditioning apparatus, systems and methods7 Jan 2025US 12,185,648 B2Rocks Gone Pty Ltd
- System and method for controlling the operation of an agricultural implement based on compaction layer position7 Jan 2025US 12,185,650 B2CNH Industrial Canada, Ltd.
- Method and apparatus to form rip lines across a sloping surface21 May 2024US 11,987,950 B2Opti-Minez Pty Ltd
- An Auxiliary Point Device, A Soil Working Tool And Agricultural Implement Comprising Such, A Mounting Device, An Auxiliary Point, A Method Of Modifying And Operating An Agricultural Implement23 Jul 2026US 2026/0206667 A1
- Tillage ripper point30 Apr 2026US 2026/0114349 A1Deere & Company
- Ripper point wear indicator30 Apr 2026US 2026/0114354 A1Deere & Company
- Evaluation system and evaluation method8 Jan 2026US 2026/0011142 A1Kubota Corporation
- Vibratory backfilling device for on-ridge transplant11 Sep 2025US 2025/0280755 A1Longmen Laboratory
Most cited
By later US patents
- Soil conditioning and seed bed preparing apparatus121US 4,187,916 ABrown Manufacturing Corporation · 1980
- Soil zone-builder coulter closer/tiller with vertical response mechanism and shank head107US 6,068,061 AUnverferth Manufacturing Company, Inc. · 2000
- Sub-soil breaking, surface-soil conditioning and planter machine106US 4,055,126 A1977
- Strip tillage soil conditioner apparatus and method96US 5,499,685 A1996
- Method and apparatus for no-till planting83US 5,660,126 AAgricommunication and Technology, Inc. · 1997