A01B 13/08
Ploughs or like machines for special purposes: for working subsoil
Official title: for working subsoil
A01B13/08 (Ploughs or like machines for special purposes: for working subsoil) appears on 123 US grants and 71 published applications in this corpus.
Search patents in A01B- Granted patents
- 123
- Published applications
- 71
- Assignees
- 63
- Inventors
- 177
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 3 |
| 2017 | 1 | 6 |
| 2018 | 5 | 9 |
| 2019 | 5 | 3 |
| 2020 | 9 | 6 |
| 2021 | 3 | 4 |
| 2022 | 3 | 8 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Agricultural sweep with wear resistant coating30 Jan 2024US 11,882,777 B2Osmundson Mfg. Co.
- Planting apparatus21 Nov 2023US 11,818,978 B2Novelquip Forestry (Pty) Ltd
- Method for plowing ground with a plough device comprising two cutting elements12 Sep 2023US 11,751,494 B2Huber Soil Solution GmbH
- 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
- Ground engaging tool control system18 Jul 2024US 2024/0240437 A1Deere & Company
- Agricultural sweep with wear resistant coating23 May 2024US 2024/0164234 A1Osmundson Mfg. Co.
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
- Rip strip primary tillage system81US 6,681,868 B2Case Corporation · 2004