A01C 23/026
Localised non-continuous injection tools
Official title: {Localised non-continuous injection tools, e.g. pal injectors, spike wheels}
A01C23/026 (Localised non-continuous injection tools) appears on 84 US grants and 59 published applications in this corpus.
Search patents in A01C- Granted patents
- 84
- Published applications
- 59
- Assignees
- 37
- Inventors
- 123
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 4 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 5 |
| 2008 | 0 | 0 |
| 2009 | 3 | 4 |
| 2010 | 3 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 3 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 4 |
| 2024 | 0 | 5 |
| 2025 | 8 | 6 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aeration type variable-rate fertilization scarifier for tea garden25 Aug 2026US 12,714,008 B2
- Plunger mixer device12 May 2026US 12,623,192 B2Sub-Mergent Technologies, Inc.
- Air-material mixing and spraying actuator with an application method thereof5 May 2026US 12,616,084 B2Chengdu Worang Zhichuang Technology Partnership (Limited Partnership)
- Hollow shaft drill bit and hollow insert with perforations or solid feeder auger(s) and perforated hollow shaft or solid flexible screw feeder auger(s)18 Nov 2025US 12,471,510 B2Sub-Mergent Technologies, Inc.
- Aperture assembly for use with a subsurface ejection vessel18 Nov 2025US 12,471,511 B2Sub-Mergent Technologies, Inc.
- Implement and method for injecting a material into the ground20 Nov 2025US 2025/0353686 A1Carbon Alert B.V.
- Plant feeding spike device for sub-surface irrigation and fertilization6 Nov 2025US 2025/0338803 A1
- Ground penetrating rig apparatus and method of ground treatment16 Oct 2025US 2025/0320681 A1Independence Materials Group, LLC
- Dandelion, Weed and Soil Injector14 Aug 2025US 2025/0255291 A1
- Gas explosion type intelligent variable-rate fertilization scarifier for tea garden26 Jun 2025US 2025/0204304 A1Tea Research Institute, Chinese Academy of Agricultural Sciences
Most cited
By later US patents
- High pressure liquid containment joint for hydraulic aerator149US 5,291,842 AThe Toro Company · 1994
- Injector for soil treating liquids29US 4,034,686 AOutboard Marine Corporation · 1977
- Hand-held apparatus and method for loosening, aerating and fertilizing soil plant roots28US 4,682,550 A1987
- Roto-tiller attachment28US 5,353,724 A1994
- Soil aerator fertilizer and method27US 5,802,996 A1998